VW had quite a few problems early on, too. Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. Make sure to check out the guide for any M276 related questions. With an intake and downpipes, stage 2 tunes easily add an additional 30-50hp and 70-100tq on top of that (90-150hp/170-230tq over stock). In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. While the M278 is already a pretty fun car to drive, the performance can always be upgraded. 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. 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. The 5.5-liter version (M273 55 KE) has 98.0 mm (3.86 in) bores and a 90.5 mm (3.56 in) stroke. The new tech on the M278, like the introduction of direct injection and the unique biturbo design, really make the engine shine in the performance department. In 2017, we campaigned an M272-equipped C300 in the AER series. The M278 has new pistons with increased by 2 mm compression height. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. Mercedes reliability on the various models does depend a lot on which engine and transmission as some are renowned for issues and others are equally renowned for no issues. That should cover everything you need to make a decision whether or not you want to get into one of the many awesome Mercedes with the M272/M273. Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. A weak place is engine timing. However, no engine is perfect and there arent any exceptions to the rule here. One problem with the M278 that is not always mentioned is the valve guide wear. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. However, no engine is perfect and that applies to the M276 as well. This is by far one of the most common problems with Mercedes-Benz models, including E25, E30, and E35. Power varies from 275 to 574 horsepower impressive numbers for its era. 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? If not pay attention to knocks/noise for a long time, this may lead to the replacement of the entire chain drive system together with cam adjusters. Chandler is an automotive expert with over a decade of experience working on and modifying cars. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. 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. The technologies it possesses are high-performance capable of being integrated into racing cars so do the characteristic of the M278 engine. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. BlueTec was added in 2014. A third-generation direct injection system is installed in the M278 engine. Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. Im looking at either a na 276 and the de30. Click here for instructions on how to enable JavaScript in your browser. This new generation also featured the addition of a balance shaft. The, Read More Mercedes C43 vs C63 AMGContinue. 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. However, its a good time to add a few quick notes. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. Like. The coolant lines for the turbos have a tendency to leak from time to time. I have 130,000 km on the car. It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. Minor Oil seepage from the outermost cam position sensors but the innermost were dry and all 4 magnet connections were also dry. Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. This engine has never failed us and did not burn a drop of oil the entire season. Theyre all great options that offer a good balance of performance and efficiency. However, there are some gems out there that won't break the bank. 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, Mercedes M113 V8 Engine Problems, Reliability, Specs. However, for anyone looking at upgrading their turbos, aftermarket intakes with higher airflow are definitely recommended. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. Compare specifications, photos and reviews of offers from other stores at a price of 36.49 usd. Unfortunately, the Silitec far from lived up to its hype. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. Average about 5,9L/100km, thats very good. Required fields are marked *. It is not very well known for its reliability, as many drivers reported extensive issues with timing components, the intake manifold, and oil leaks. This combination achieved 24 mpg in the city and 30 mpg on the highway. Maintain the Mercedes-Benz M276 engine well and it will likely reward you with a fun and reliable experience. Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. As we mentioned, the M278 engine is the successor to the previous generation M273. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. The M278 is a 4.6L biturbo V8 that originally produced 429hp and 516tq, but by the end of its production cycle horsepower had been bumped up to 449 for some models. Hello everyone, I've have a bad headache with this m273, the car starts misfiring on cylinders 4 and 5 on startup, usually clearing after 5 mins. Curiously it never occurred on the first start of the day. The turbo M276 DE30 and DE35LA will probably need plugs every 50,000 miles or sooner while coils also last about twice as long. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. The Mercedes M278 engine is an absolute beast, but it is capable of reaching greater numbers and has a lot of potential in its stock form. Save my name, email, and website in this browser for the next time I comment. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. 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. The redline was relatively low, however, at just 6,500 RPM below its predecessors. Whats your experience with the Mercedes-Benz M276 V6 engine? Inside the cylinder bore is cast-in Silitec cylinder liners. Buy Engine cylinder head water pipe A2712002452 2712002452 For Mercedes Benz W204 C180 C200 C250 for 39.5 usd in the online store Toggoang Autoparts Store. Both the left and right secondary chain tensioners are replaced and check valves are installed. 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. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. Rather, when problems occur these are a few of the common areas. The GL-Class also features the GL450 trim that carries a detuned 4.7 Liter version making 362 HP and 406 lb-ft of torque. When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. Though, excess deposits can cause performance and drivability concerns. Some reliability simply comes down to luck of the draw. Hes also a big fan of American Muscle and automotive history. For a fair compromise and comfortable daily driving, glance at the E 400. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. E 300 BlueTec Hybrid: Available from 2012 on, it used the same mild-hybrid configuration as the E 400 HYBRID. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. Rating . Hearing the cold start noise on most cars from 90-130 thousand km. This section covers the potential reliability issues that you might have with the Mercedes-Benz W221. The Silitec coating inside does not cut it since high temperatures and detonation during operations require resistance, and the material cannot contain it. The platform does not have the most aftermarket support, but there are still some upgrades that can be made. Check these out to see just how in-depth we go to make them. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. More good news is that the M276 fuel pump is pretty cheap at about $300-600. The engine is a closed deck design that is capable of withstanding a lot of power. This helps efficiency despite its larger design. 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. There were some reports of engine oil starvation due to the failure of the oil pump drive gear (oil pump is driven via a chain). But in reality, the M272 and M273 engines actually check all of the marks offering smooth operation and strong, reliable power. When the balance shaft . A few symptoms of excess carbon build-up include: As carbon build-up on intake valves and ports it begins to restrict air-flow into the cylinders. Engine Specs Manufacturer Stuttgart-Bad Cannstatt Plant Production years 2004-2013 Cylinder block material Aluminum Cylinder head material Aluminum Fuel type Gasoline Fuel system Fuel injection Configuration Be sure to file a complaint with Germanys Federal Motor Transport Authority at this link so they can force a recall on Mercedes Benz of Germany: https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. While the factory intake is adequate, aftermarket intakes will add about 5-15whp while increasing induction sounds. 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. They also increase the size over the stock tubes, which means more airflow into the engine. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. Whats your experience with models containing the M278? Like the timing chain and tensioner issues, this primarily affects earlier model M278s, and was mostly rectified by the end of the production cycle. Wasn't the M113 a V8? The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). I cannot find cylinder liners/sleeves for this engine. Both engines share the same die-cast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from 2004. . The pressure supplied to the rails lies between 120 and 200 Bar. Drive as low as 4,8L/100km on highway, 1500rpm at 120km/h. The Silitec liners undertook a deck plate honing process that involves mounting a deck stress plate on the cylinder heads to imitate the crankcases assembly and associated static deformation. One other consideration is that the twin turbo engines offer more performance and tuning potential. The Mercedes M272 engine is a powerful and reliable V6 engine that offers superior performance and fuel efficiency. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. 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 aluminum DOHC cylinder heads have 4 valves per cylinder. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. It is expensive to rectify. 5 5 . The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. Incorrect operation of the variable intake manifold features the following symptoms: rough idle and a loss of power with check engine light illumination. Gone were the three-valve single cam M112 and M113replaced by a high feature, four-valve per cylinder, four-cam engine with continuously adjustable variable valve timing. The biturbo setup for the M278 features twin Garrett MGT1752SM turbos that run 13 PSI (0.9 bar) of boost. Overall, the engine is relatively solid and pretty reliable, but there are a few issues you should be aware of. Its difficult to judge a model that was introduced less than a decade ago; but, according to the above-mentioned criteria, we can safely say the 20102016 W212 E-Class improved on the W211. Power was down the M152 compared with both the M157 and M278. Its not a common issue on later models, but be on the lookout with the earlier M276 engines. regards. DE35LA engines are in these models: Some of the most common problems with the Mercedes M276 V6 engines include: Well discuss the above issues in greater depth throughout the rest of the article. Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. At upgrading their turbos, aftermarket intakes with higher airflow are definitely.... 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