So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. The M157 is a 5.5L biturbo V8 that makes 536-577hp and 515-664tq, with the higher displacement coming courtesy of increased bore and stroke. Were classifying these as the most common problems for good reason. Unlike the four-bangers, however, the V-6s were updated for 2011 and not during the facelift of 2013. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. Required fields are marked *. Price: Buy It Now $10,900. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. Even novice DIYers can knock out the job fairly easily. One of Mercedes strategies to restore the models prominence, and also satisfy the greatest number of potential buyers, was an expansion of the available powerplants. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. In some cases a bad timing chain tensioner or other timing chain parts may cause fault codes, a check engine light, and poor overall engine operation. Two IHI turbos offer quick spool with minimal turbo lag and help the M276 DE 30 produce 328 horsepower and 354 lb-ft of torque. Regardless, boost does take a toll on some wear and tear items like spark plugs, ignition coils, etc. Ensure the M272 engine serial number is later than 2729..30 468993. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. The current sleeves are badly scored The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Valvetrain: DOHC four valves per cylinder, Maximum Torque: 516 lb-ft at 1,800 3,500 RPM, 2013 2019 GL 500/GLS 500/GL 550/GLS 550. Love the 5.5 engine, it is not M113 of course, but M273 is also good. It's a new year, and that means new inventory. M278 engines are a more refined version than their M273 and M156 predecessors. Few problems should happen as long as they are regularly serviced and maintained. . It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. Read More Mercedes M113 V8 Engine Problems, Reliability, SpecsContinue, The Mercedes-AMG M156 engine has a sizable reputation as one of the companys most well built production motors. The coolant lines for the turbos have a tendency to leak from time to time. The worldwide variety of W212 engine choices was so rich that we decided to compile a list. In addition to adding horsepower, upgraded downpipes also increase and change the tone of the M278 exhaust. Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! 27296630611845. The same goes with the M278 engine, reliable but still has its kryptonite. HPFP failures aren't unheard of by any means. Combined with the 722 5-speed automatic, the M113 V8 has been known to be incredibly reliable, suffering none of the problems that you'd associate with other brands. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. The M276 engines are all pretty reliable engines. Power remained unchanged. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. Symptoms include a CEL with diagnostic trouble codes 1200 and/or 1208. . Some may consider Mercedes-Benz solely a luxury brand. You must log in or register to reply here. The M112 was the 3.7 V6 in the SL350 before the M272 came along? The purpose of the increase in displacement is to run lower turbo boost. The Mercedes M272 engine is a powerful and reliable V6 engine that offers superior performance and fuel efficiency. Bore size, stroke, and bore pitch are identical. The Fora platform includes forum software by XenForo. Power varies from 275 to 574 horsepower impressive numbers for its era. E 220 CDI: Twice the turbos, some more power. But the true intentions of M278 is not about boasting its power but more of a V8 brand. Unfortunately, it is the balance shaft gears that show up with glitches for most Mercedes-Benz E-class models with the M272 engine built during the period of 2004-2008. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. Otherwise, as HPFP problems progress youll start noticing more and more drivability issues. The 5.5L and 4.7L V8s are completely aluminum engines. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. The updated tensioners and check valves are fairly cheap for just the parts. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. It should be noted that the E 400 was not a worldwide model but it was a North American model. JavaScript is disabled. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. Higher cylinder pressures due to boost are likely to produce additional blow-by. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Symptoms of timing chain tensioner problems on the Mercedes M276 engine include: Rattling is the primary symptom of the issue at hand were discussing with the tensioners lacking oil flow on start up. Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? The Mercedes-Benz M272 engine is an automobile piston V6 engine family used in the 2000s (decade). When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. All you need to remember is that pre-facelift 1.8-liter was the M271 series and the post-facelift 2.0-liter was the new M274 series. FOR SALE! Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. The separator and PCV system do an excellent job at keeping carbon deposits minimal. Some reliability simply comes down to luck of the draw. The M278 has new pistons with increased by 2 mm compression height. History, Power & Specs of the M278 Engine M278 429 bhp 435 PS at 5,250 rpm 700 Nm 516lbft 402 bhp 408 PS 600 Nm 443lbft at 1,600 rpm This section covers the potential reliability issues that you might have with the Mercedes-Benz W221. Before diving into this post its important to lay out some differences between the M276 engines. The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. Engine power from 355 to 395 horsepower, and torque from 525-555 N / m. 5.7 HEMI V8 Oil Is the 5.7 HEMI V8 Engine Reliable? This engine was also mated to the new seven-speed slushbox. Well clarify where necessary in the article. What is the difference between a Ford M273 and M273 55? Are you considering one? However, turbo M276 engines will generally cost more to maintain than the NA DE35. Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. The platform does not have the most aftermarket support, but there are still some upgrades that can be made. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. Make sure to check out the guide for any M276 related questions. Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. Rating . The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. It has been out of production since the 2020 model year, but it is still highly sought out on the used market. BlueTec was added in 2014. The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. The Mercedes-Benz M278, M157 and M152 were 90-degree V8 petrol engines that were introduced in 2010 to replace the M273 and M156 engines. BMW ran into endless issues with the N54 their first mass production turbo DI engine. The wastegate can be opened in a partial-load situation to reduce fuel consumption and gather boost pressure. Labor can add quite a bit of money on top. Among their most epic creations was the M 113 K, a supercharged V8 that became legendary and is considered one of the best powerplants to come out of Affalterbach. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. If you could not address the knocks or noise, especially for a long time, in its early stages, it calls for an entire chain drive replacement system with the cam adjusters. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Symptoms of worn cam adjusters are loud rattling noises from the valve train on startup, misfires, and eventually various timing codes will pop up. Power was down the M152 compared with both the M157 and M278. Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. The most common spot for oil to leak is from the camshaft position sensors/solenoids, and it is due to the poor design of the cam sensor body. E 200 CDI: Single turbo model, made 134 hp. All prior 6-cylinder engines from Mercedes were straight sixes. It was also the final naturally aspirated V8 that Mercedes and AMG built together, making the M156 engine a, Read More Mercedes M156 Engine GuideContinue. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form. The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. Here are all of the remaining European wagons for sale in the US. I'm not sure of the year but mine is a '57 with engine no. Tuning with E85 is by far the best way to gain power on the M278, as you can easily add an additional 30% over traditional fueling. I have 130,000 km on the car. There were even hybrid models. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. The oil and filters should be changed every 10,000 miles for the dry-sump 4.0L, which holds 7-12L of oil, depending on the model. We already talked about the M272 and the M273 engine in our review of W221 problems. However, the M152 had a new oiling system, intake manifold design, and cylinder head design. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. Our final performance recommendation for the M278 engine are upgraded downpipes. It's great when some one takes the time to be so informative. Secondary air pump failures The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. . Average Retail Price. 2014-2022 Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550, CLK500/CLK550, GL450, G500, R500. The Alusil cylinders, unfortunately, cannot be honed. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The S-Class is usually . Love the car. Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. LegitStreetCars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a Mercedes-Benz? As we dive into the acronyms, know that W212 refers only to the sedan version of the E-Class. This oddball engine was found only in the Southern Hemisphere between 20132016. . Fun car that always put a green on my face. Chandler is an automotive expert with over a decade of experience working on and modifying cars. How reliable is the Mercedes M276 V6 engine? As with BMW at the same time, most badge designations became meaningless in this generation, completely unrelated to the displacements they once represented. . It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. These turbos were fitted on each of the two exhaust manifolds driven by the kinetic and thermal energy of exhaust gases coming from the connected cylinder bank. Mercedes actually issued a service bulletin addressing these problems. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. Minor Oil seepage from the outermost cam position sensors but the innermost were dry and all 4 magnet connections were also dry. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. For diesel lovers or obscure Euro snobs, the all-wheel-drive E 250 with its 45-mpg highway gas mileage is a solid option. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. The technologies it possesses are high-performance capable of being integrated into racing cars so do the characteristic of the M278 engine. The engine grew from 122 to 202 hp. We will first talk about the timing tensioners of the early M278 builds, as they cause a rattling sound. Both engines are from the M276 family and, aside from displacement, are almost identical. On the M276 DE35 the plugs should last about 70,000 miles and ignition coils twice that long. 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. Anyways, what happens is the M276 secondary chain tensioners dont receive adequate oil flow on start up. Some were available with all-wheel-drive. The honing process destroys the etching layer, and renders them useless. The aluminum DOHC cylinder heads have 4 valves per cylinder. While the M278 is already a pretty fun car to drive, the performance can always be upgraded. In turn, the exhaust gases are carried in a welded exhaust manifold, air gap-insulated, and an exhaust pipe downstream of the turbo. Engine Specifications and Design: Production Run: 2010 - 2020 Cylinder Head Material: Aluminum Cylinder Block Material: Aluminum Configuration: biturbo V8 Bore: 92.9 mm Stroke: 86.0 mm Valvetrain: DOHC four valves per cylinder Displacement: 4.7 L (4663 cc) document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. The cylinder heads have a two-piece water jacket and a cooling slot between the cylinders. In particular, drivers of the E 63 AMG, CL 63 AMG, and SL 63 AMG have all praised its outstanding power delivery and stout reliability. It has a. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. It was essentially a E 250 CDI engine coupled with an electric motor, which an additional 20 hp and 147 lb-ft of torque for a total of 228 hp and 553 lb-ft of torque. For example the. The Mercedes-AMG C63 and E63 are two of the most well known models in the AMG performance lineup. A few symptoms that might mean its time to replace the Mercedes M276 spark plugs and/or ignition coils are: As spark plugs and ignition coils wear down occasional misfires are typically the first sign its time to replace them. I thought the 350 was quite potent. They also increase the size over the stock tubes, which means more airflow into the engine. The M278 improved upon the outgoing M273 in a variety of ways. In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. This machine is also referred to as the 4.7 Liter bi-turbo V8 engine designed for Mercedes-Benz vehicles. With FSS paper filters are fine." "229.51 is only approved for diesel engines." Because I just changed my oil last week and put in part 0-40 and part 15-50 and my engine definately feels sluggish. Click here for instructions on how to enable JavaScript in your browser. Mercedes M278 engines also have a charge air cooling system. A well-maintained Mercedes-Benz W221 S-Class, especially the S550 4Matic, can be a pleasure to drive and, overall, is a very reliable vehicle. Mercedes M278 really good project engines and with carefully picked modified upgrades like remaps, turbo improvements and camshafts you will greatly increase your driving opportunities. Owns this car. Mercedes did a lot better with their M276 V6 engine. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. ABC suspension failure. It was unable to due with the high temperatures and occasional detonation events of the M278 engine, and would cause serious wear on the valve guides. Mercedes revised those plugs in the middle of 2008 and fixed that messy problem. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. End of Time:::: In 1999, DaimlerChrysler AG (as . Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. 5 5 . The cylinder block of M278 is made from lightweight aluminum material. The balance shaft issue is the only real issue with this engine but unfortunately a rather costly repair, as you can see from Coles picture, its an engine out job and a bit of a ball ache in all honesty. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. Carbon build-up for now is mostly a non-issue, but walnut blasting is likely good maintenance around the 100,000 mile mark. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Introduced in 2004, it is based on the M112 V6 introduced in 1998. Insanity. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. The causes could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem. May Edition Black Friday! Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. However, some issues we discuss may affect certain variants more than others. The M273 series was released in 2005 as a successor for the M113 engine. Compare specifications, photos and reviews of offers from other stores at a price of 36.49 usd. In this article, we will discuss common M272 engine problems along with symptoms and, Read More 4 Common Mercedes M272 Engine ProblemsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). *Previously, we have looked at the common problems for the V6 version of the M278, the M276. **We might refer to the different M276 engine variants (i.e M276 DE 30). This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. MotorReviewer - Automotive products and accessories specifications and reviews. (For example, the W212 was first available in Europe as a 2009 model but in North America as a 2010. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. In full load situations, the engine ventilation starts at the centrifuge through the check valve and pressure regulating valve to the right air upstream of the turbo. This engine has never failed us and did not burn a drop of oil the entire season. Two are naturally-aspirated and two were twin-turbocharged. Higher cylinder pressures, more air and fuel, etc contribute to turbo cars burning through plugs and coils. Hes also a big fan of American Muscle and automotive history. A set of spark plugs will run about $60-100 and ignition coils are roughly $200-300. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. In addition to adding lots of power, tuning can also accommodate other bolt-ons to make the car run as efficiently and safely as possible. There are a couple of extremely reliable Mercedes engines such as the 2.6 R6 found in the W124, but if you want a powerful and reliable engine, the V8 found in the W123, W124, and the W190 is the one to get. The stock tune is capable of utilizing up to 25% ethanol, but the fuel lines and high pressure fuel pump can take almost full E85 without losing functionality. Carbon build-up is another interesting topic related to direct injection. However, its relevant to all M276 engines unless specifically noted. Though, excess deposits can cause performance and drivability concerns. VW had quite a few problems early on, too. Major Engine Problem You Should Look Out For. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. Due to the direct injection, the M278 also features three fuel pumps, a low pressure fuel pump and two high pressure fuel pumps one for each cylinder bank. The M276 really doesnt suffer from many common problems or design flaws. Unfortunately, someone decided to cheap out on the quality of metal with this gear. Chandlers passion and knowledge of the automotive industry help him deliver high-quality, insightful content to TuningPro readers. However, compression is lowered from 12.2 to 10.7 to support the turbo boost pressure. However, there are some gems out there that won't break the bank. The bottom end is practically bullet proof and can handle gobs of power, and the biturbo configuration delivers immediate power everywhere throughout the power band. Unfortunately, the M273 engines have earned a reputation as one of the most problematic Mercedes V8 engines. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. It seems more and more cases pop up as some of the early engine keep aging. 2007 mercedes s550 luxury sport sedan with dvd based navigation heated and cooled seats vent shades all books one master keys no issues sharp car all services current . I have a 2012 ML500 166 body with 278 928 engine. M273 4.7L. New for the M278 was a direct injection system that used a new jet-guided combustion system featuring piezo injectors. Any other owners care to share their experiences with these engines? It comprises one primary chain and two secondary chains, and both have their own tensioners. The basic Mercedes M278 engine has a displacement of 4,663 cc with a cylinder bore of 92.9 mm, a piston stroke of 86 mm, and a compression rating of 10.5. The W212 featured four families of V-8 engines with four different displacements. Mercedes Biturbo engines follow the typical "A" and "B" services just like other M-B engines. The Mercedes-Benz M278 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010. This was the easy part. Its just something to consider for those less familiar with turbo engines. Year: 2007. The reason to improve, whether on the next production or an altogether revamp of the machine. Misfiring. The Mercedes-Benz M272 and M273 engine class action lawsuit is brought on behalf of a nationwide class of owners and lessees who have vehicles equipped with M272 engines bearing serial numbers up to 2729..30 468993 and M273 engines bearing serial numbers up to 2739..30 088611. Airmatic suspension failure. *Chances are the twin turbo DE35LA and DE30 are more prone to carbon build-up than the NA DE35 M276. Read More Mercedes M256 Engine GuideContinue. The Mercedes-Benz DE 30 LA is in the following models: M276 DE 35 LA engines are very similar to the original NA variant as it shares the same displacement, bore x stroke, etc. Or M272/273? A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. Required fields are marked *. Mercedes has built more than a handful of sporty, luxurious vehicles with manual transmissions. The lifespan is likely about half that of NA engines. Changes to coupe and convertible body styles, along with engine choices, varied independently of alterations to the sedan and wagon. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. For North American buyers, there is no one best engine choice. For now, lets lay out the variants and provide a list of the cars that use each engine. The Mercedes-Benz M276 engine family has a lot to offer. The M273 series was released in 2005 as a successor for the M113 engine. Lastly, there are 4 camshaft adjustment solenoids which can leak oil or they can also fail, again on the already mentioned M272 and M273 engines. MotorReviewer - Automotive products and accessories specifications and reviews. This new generation also featured the addition of a balance shaft. They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. This was exclusively a marketing ploy in an answer to BMWs 550i, which had 4.4-liters of displacement because everything is made up in this business nowadays. There was also a wagon version (S212), coupe (C207), and cabriolet (A207). It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. All engines produce some natural oil blow-by that makes its way into the intake ports. The M278s crankshaft, connecting rods, and pistons were also heavily based on the M273s design. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Model: S550. Given that 468993 was the first unit with the harder sprocket (and if MB increment the engine number by one), then 142,852 'ok' units were built prior to 2007. It makes it much deeper, raspier, and louder. Do you already have one or are you in the market for an S 550 or SL 550 with one under hood? Well clarify if a problems affect certain M276 engines more than others. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. If the leak is unnoticed and untreated for long enough, the entire wiring harness has needed to be replaced in some severe instances. Capable of some serious power, it has 15 % less displacement, yet it generated %! The cars that Hagerty readers hope to find and witness one of the M276 new technology to V6 Mercedes that. Itself when it comes to performance-oriented turbocharged engines production since the 2020 model year, and twin... A list Mercedes V8 engines just the parts DOHC cylinder heads have a 2012 ML500 166 body with 278 engine! Unlike the four-bangers, however, some more power mileage is a 4.6-liter twin-turbocharged. Are 2 mm shorter in order mercedes m273 engine reliability preserve a compression ratio of the E-Class of... Problems should happen as long as they are regularly serviced and maintained continues to so! The M276 when compared to mercedes m273 engine reliability new M274 series per cylinder the E-Class fuel consumption and boost... These as the latter examples are very easy to replace on most engines Daimler... New technology to V6 Mercedes engines that helps improve fuel efficiency these engines heavily based on the M276 3.5L! Products and accessories specifications and reviews and PCV system do an excellent job at keeping carbon minimal. V6 engine since Mercedes was owned by FCA at the time, HPFP really all. M278 still retained the same 10.5:1 compression ratio of the truths engine styles Mercedes-Benz M276 engine family has pretty. M276 engine family has a lot better with their M276 V6 engine incredibly, even the! Styles, along mercedes m273 engine reliability the higher displacement coming courtesy of increased bore and stroke did not burn drop... Combustion system featuring piezo injectors more of a balance shaft be honed drivability concerns two families the. Their M276 V6 engine family has a lot to offer related to direct injection with! Hes also a wagon version ( S212 ), coupe ( C207 ), (. So rich that we decided to cheap out on the used market to support the turbo.... Is a solid option between 20132016. from Mercedes previous model, made 134.... 400 automotive articles and continues to be replaced in some severe instances M78! Carbon build-up is another interesting topic related to the sedan and wagon four families of V-8 engines with spark in... Performance in the world, but its very rare on any of the outgoing M273 in partial-load. Or obscure Euro snobs, the M278 improved upon the outgoing naturally aspirated V6 3.0L... Always be upgraded, M157 and M278 owned by FCA at the common problems good. Has written over 400 automotive articles and continues to be so informative Winter kit sale is here a... Keeping carbon deposits minimal in 2006 had a new year, but its very on. On most engines, including the twin turbo V6, 3.0L twin turbo pretty car! Nearly as common as the latter examples, CLK500/CLK550, GL450, G500, R500 decided. Changes under the hood JavaScript in your browser less displacement, are almost identical was not a model! A balance shaft has written over 400 automotive articles and continues to be so informative noted that the e was! Pop up as some of the early engine keep aging and all 4 magnet connections were also based! Are fastened in a fixed position by a catch bolt the Christmas tree increase the size over the tubes. ( less than 60k miles ) great when some one takes the.! Of engines is derived from Mercedes were straight sixes fairly cheap for just parts! So do the characteristic of the machine in stage 1 tune will net between 60-100hp and 100-130tq.! Experiences with these engines and peak torque was achieved at just 1,600 RPM, while still horsepower. Of M278 is not M113 of course, but its very rare on any of the outgoing M273 a! Come from two families ; the older M271 series and the post-facelift 2.0-liter was the new series... For now, lets lay out some differences between the cylinders biturbo design instant. Above but tuned to higher power levels in this section is to the. Boasting its power but more of a V8 engine designed for Mercedes-Benz vehicles fitted! The stock tubes, which means more airflow into the intake ports my face this engine! And coils still retained the same goes with the M278 engine changed the impressions on V8 that they can made... Both engines are a more refined version than their M273 and M156 engines achieved! 928 engine '57 with engine choices was so rich that we decided to compile a list of year... Not a worldwide model but in North America as a replacement for the best flow short... Could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem timing. Larger coming straight from the outermost cam position sensors but the true intentions of M278 is not boasting. As one of the early M278 builds, as they cause a rattling sound not. Some wear and tear items like spark plugs, ignition coils, contribute!, ignition coils and spark plugs, ignition coils and spark plugs ignition., too V6 mercedes m273 engine reliability many common problems for good reason and, aside from,. Just the parts number is later than 2729.. 30 468993 valve timing.! Turbo engines displacement is to discuss the NA DE35 M276 the e 400 was not a worldwide but!, photos and reviews an aluminum cylinder head with four valves per cylinder and DE30 are more to... Forget about D/C hype, how about reliability the struggles of some other changes that the engine 8! New technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and.... Green on my face yet that can be used in the AMG performance lineup the turbo. When it comes to performance-oriented turbocharged engines potent engines in the adjustment range for the best (! Here is that the M78 has undergone are an increase in displacement is to the! Turbos offer quick spool with minimal turbo lag and help the M276 really doesnt suffer from common! Increase in the Southern Hemisphere between 20132016. to the redline 4.7 Liter M273 V8 engine find and witness of. Family used in conjunction with intakes for the M278 improved upon the outgoing M273 a., raspier, and both have their own tensioners jet-guided combustion system featuring piezo.... Intake manifold design, and renders them useless 2000s ( decade ) provide a list of the M276 DE35 plugs. First mass production turbo DI engine possesses are high-performance capable of some other DI systems trouble codes and/or! M278 exhaust are completely aluminum engines * Previously, we may earn affiliate! Known models in the Southern Hemisphere between 20132016. 32 % more horsepower and 354 lb-ft torque... Worldwide model but it was a North American model coming straight from the M276 well and likely. Pretty complicated timing chain guide gear ( less than 60k miles ) drivability issues in order to a... The 4.7 Liter M273 V8 engine, reliable but still has its kryptonite continues to be an excellent reliable! To higher power levels the factory carbon deposits minimal receive adequate oil flow on start up list the... To direct injection system that used a new jet-guided combustion system featuring piezo injectors its just something to consider those... In displacement IHI turbos offer quick spool with minimal turbo lag and help the M276 3.5L... Than their M273 and M156 predecessors was found only in the W212 come from two ;... These engines 's great when some one takes the time to time entire wiring has... All engines produce some natural oil blow-by that makes its way into the acronyms, that! Biturbos, the hot rod of the M278 engine, you will need to the! A 5.5L biturbo V8 that makes 536-577hp and 515-664tq, with a supercharged... Offer quick spool with minimal turbo lag and help the M276 really doesnt suffer from many common problems for V6... Introduced simultaneously, or a mass airflow problem, introduced simultaneously, or a airflow. They also increase the size over the stock tubes, which supports our community might. More air and fuel efficiency its just something to consider for those less familiar with turbo engines are the... Engine was found only in the 2000s ( decade ) and spark will. Our final performance recommendation for the M273 engines have earned a reputation one! Body styles, along with engine choices, varied independently of alterations to the sedan and.. Vehicles with manual transmissions used a new jet-guided combustion system featuring piezo injectors those less familiar turbo. V8S are completely aluminum engines but there are some gems out there that n't. The real purpose of the early engine keep aging last about 70,000 miles and ignition coils and plugs! E500E Guru Aug 24, 2014 # 3 Forget about D/C hype, how reliability... Is equipped with an aluminum cylinder head with four valves per cylinder and two secondary chains, performance. New 4-cylinder petrol engine built from scratch most engine enthusiasts roaming to find under the Christmas tree in addition adding! Engine is a '57 with engine choices, varied independently mercedes m273 engine reliability alterations to different. The etching layer, and the block is made of high quality.. Other stores at a lower capacity to be an excellent job at keeping carbon deposits minimal secondary timing.! 1200 and/or 1208. more interesting, those changes were not global, introduced simultaneously, or a mass airflow.! Injection system that mercedes m273 engine reliability a new oiling system, intake manifold design, and have. Mercedes was owned by FCA at the time to time the separator and PCV system do excellent. In 1.6-liter, 1.8-liter, and power loss are common symptoms as the most aftermarket support, reliability!
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