The M276 engine block has a 60-degree V-angle that allowed eliminating a balance shaft in the design. In 2015, the DE30AL version was created for AMG models with a higher A loose chain will look more elongated and will form a bubble-like motion around the sprockets also known as slack. All of the M276 engines have a good track record of reliability. There arent many common problems or design flaws with the M276. W212 E 300 BlueEFFICIENCY/E 300 BlueEFFICIENCY 4MATIC, W204 C 350 BlueEFFICIENCY / C 350 BlueEFFICIENCY 4MATIC, W212 E 350 BlueEFFICIENCY / E 350 BlueEFFICIENCY 4MATIC, Mercedes-Benz New V6 and V8 Engines are More Powerful and More Efficient, Official: 2011 New V6 and V8 engine family From Mercedes Benz | Autoholiks, "Mercedes-Benz Quietly Introduces All-New V6 Engine on CLS Facelift", "Mercedes Benz W204 Class C 350 CGI BlueEFFICIENCY Berlina Technical Specs, Dimensions", https://www.germanboost.com/showthread.php?44145-Best-Mercedes-tuning-value-A-preview-of-the-330-horsepower-Mercedes-M276-DELA-30-Twin-Turbo-3-0-liter-V6-going-into-the-W205-C205-C400, "The Demise of AMG Sport: 2017 Mercedes-AMG SLC43 | YouWheel - Your Car Expert", "Mercedes Benz e Class Estate (W213) 450 4MATIC Technical Specs, Dimensions", "Mercedes-Benz S-Class S560 e plug-in hybrid 2018 review | Autocar", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_M276_engine&oldid=1136928600, 328385hp (245287kW; 333390PS)(DELA30-DE30AL), 480521Nm (354384lbft)(DELA30-DE30AL), This page was last edited on 1 February 2023, at 22:28. M270 refers to the transverse configuration for front-wheel drive vehicles, while M274 refers to the longitudinally-mounted layout for rear-wheel drive vehicles. The M276 engine features an aluminum engine block and dual overhead camshafts with independent variable valve timing on intake and exhaust valves and a new timing chain arrangement. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Naturally aspirated versions usually reach 200k miles mark. Sometimes called The valves allow air and fuel into the engine and help emit exhausts at the same time. Reading the V3 of the TSB from LI05.10-P-056435, and my engine number being 276952 30 310339, the stated fix is to install check valves and chain tensioners. As an independent Mercedes repair facility, Burdi Motorworks offers competitive pricing on all our parts, services and accessories. Last night I realigned the adjusters with the chain timing marks. It was used by ML 300 (W166), A207/C207 E 300, W212 E 300, and C218 C300, CLS 300. Ensure the M272 engine serial number is later than 2729..30 468993. There are a 2 local to me with 50K for less money than a used 2012 with 75K. Valves are actuated by low-friction roller cam followers. Having specialized in Mercedes Benz repairs for more than 40 years, our experts know how to analyze and replace timing chains along with tensioners, pulleys and guides. You can also reduce the probability of timing chain failures by performing regular maintenance and referring to professional mechanics for inspections. As a result, the engine's timing becomes uncalibrated, and valve timing develops glitches, causing a misfire upon engine startup. To get to the ports and valves, youll need to remove the M276 intake manifold. The Mercedes-Benz M276 V6 engine and overall reliability are discussed in this article. There was a service bulletin for this problem, and many peoples cars were still under warranty because of it. Are you having problems with your Mercedes timing belt or carbon build up on intake valves? Are you thinking about getting one? You should also see a check engine light and error codes indicating that the fuel pump is not delivering the intended flow and pressure. It's imperative to act right away and contact the experts when you become aware of any failing symptoms. Naturally aspirated 3.5L versions come with a three-stage variable intake manifold (engine speeds below 3,200 rpm; at 3,200-4,250 rpm; and above 4250 rpm). timing chain arrangement. Enter your vehicle ID number and receive up-to-date info about previous and current recalls. The 60 degree vee-angle eliminates Note that Mercedes-Benz offers complete parts kits for the job: See XENTRY TIPS document LI03.30-P-050027 for the part numbers. Output of the second variant with 12.2:1 compression ratio is 225kW (306PS; 302hp) at 6500rpm with 370Nm (273lbft) of torque at 35005250rpm. 2014-2022 Contact UsCookies Policy, Four-stroke, naturally aspirated/turbocharged, 272-367 hp (200-270 kW)/5,000-6,000 - M276 3.0 version, 295-384 lb-ft (400-520 Nm)/1,300-4,000 - M276 3.0 version 251-354 lb-ft (340-480 Nm)/1,200-5,200 - M276 3.5 version, MB 229.5/229.51, SAE 0W-30, 0W-40, 5W-30, 5W-40. The Fora platform includes forum software by XenForo. Things are messed up. However, it wouldn't happen with a non-interference engine because the pistons and valves aren't in the same area. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. How a Mercedes timing chain works relates to the performance level of the motor. Problems with the timing chain cause weak fuel economy and lower engine performance. Natural oil blow-by is produced by all engines and gets into the intake ports. Yes there is a tsb, see attached, regarding rattle noise on startup,..this will not cause cam misalignment or the codes you have. Even the most inexperienced do-it-yourselfers can complete the project with relative ease. yields a lower fuel consumption than the M276 DELA 30. The M276 engine is not related to the Chrysler Pentastar except for the 60 degree angle, despite that it was developed while Chrysler was still owned by Daimler AG. In 2015, a higher boost and a slightly lower compression ratio (10.5:1) were used to create a DE30LA version for AMG models, and is used for many AMG and MercedesBenz vehicles since. That is why it is very important to always perform service on time. Connect one-on-one with {0} who will answer your question. Check Engine Light Is On. compared to 1.8 bar (26 psi) of DELA30 resulting in the same power and with 362 hp (270 kW; 367 PS) and 384 lb-ft (521 Nm) on higher boost If you have anything to add, please do so in the comments below. Additionally be sure to know what type oil is going into your engine and how much. As the timing chain jumps, meaning it skips links, the loose components can move around and damage other engine parts, resulting in power loss. Some early M276 engines had a problem with the timing chain tensioners being dry, which caused rattling when the engine was started. This is a common symptom which is already fairly well documented on the internet. Are you having problems with your Mercedes timing marks? Is there a problem inside the engine? It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. But running at high RPMs can destroy your Mercedes engine. [3] This efficiency improvement led to the various models with this engine being labeled with Blue Efficiency moniker. The twin turbo DE35LA and DE30 are more likely than the NA DE35 M276 to accumulate carbon. This VVT can alter cam timing up to 40 crank degrees with a higher speed than before, and enables limiting the intake charge combined with a normal combustion stroke, thus making the operating process an Atkinson Cycle in partial throttle conditions for better fuel efficiency. For 2015-2016, Mercedes offered a higher output version - DE30LA AMG. These faulty gears wear out prematurely, excessively, and without warning, causing the vehicle to malfunction, the 'check engine light' to remain . Here are a few signs of a carbon overload: Carburetor intake valves and ports become more and more restricted as carbon deposits build up. Bank 2 is retarded both intake and exhaust wheels are not in the center of the bore. As some early engines continue to age, it appears that more and more cases will arise. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel . But no engine is perfect, and the M276 is no exception. Once youre inside, the walnut blasting process takes about an hour or so. Turbo cars use more plugs and coils because of the increased cylinder pressures, additional air and fuel, and so on. mm (3.46 in 3.23 in) and reduced compression ratio at 10.7:1, the there is a mark on the crankshaft sprocket to marry with the mark on the engine casing and marks on the 2 cams behind the sprockets to line up with the marks on the cm carrier/cylinder head Not really. . Customer decided to go with a used engine. The M276 family of engines is discussed in this article. It must rotate around the gears of the crankshaft and camshaft without restriction to start the vehicle. We uphold a reputation as a leader in Mercedes-Benz and Sprinter maintenance, service and repair in the Chicago area. Overview Manual: Describes engine components, operation, specs For a better experience, please enable JavaScript in your browser before proceeding. The purpose of this article is to make the suggested repair pathway easier to decide Jul 10, 2022. peterjmdr said: My 2013, E 350 (58,000 miles) needs replacement of the left (bank 2), intake camshaft adjuster. in the C400(W205) and subsequently on other models. and 10.5:1 compression ratio for C450 AMG and GLE450 AMG. To create a smooth start, the chain requires proper lubrication from the engine oil. The cost to repair this engine with the damaged lobes and worn timing chains out weighed the cost of a used engine. And for removing the petrol injector using a slide hammer or T bar on 4.6 to 5.5 litre petrol engines. The M276 is available in a number of configurations, including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo, as previously discussed. As the HPFP deteriorates, common symptoms include stuttering, hesitation, rough idle, and power loss. Its also a simple fix for do-it-yourselfers, but labor costs can add up for those who go to repair shops. Actuated by three additional cams, the high-pressure pump produces 120-200 bar of fuel pressure for the fuel rails to the injectors. The Mercedes-Benz M276 [1] engine is a direct injected, gasoline automotive piston V6 engine . Clear faults, engine started quicker but P001985 returned immediately. Mercedes-new Benzs M276 engine replaces the M272 that came before it. This aids in removing any oil deposits from the intake ports and valves that may have accumulated. The crankshaft controls the position of the pistons, causing the shaft to rotate, while the camshaft controls the intake and exhaust valves. The features of the M276 six-cylinder engine, with maintenance needs and procedures Introduced to the United States in several models in the 2012 Model Year, the M276.9 6-cylinder naturally-aspirated engine was joined in Model Year 2015 by its dual-turbocharged brother M276.8. Exhaust valves and contact the experts when you become aware of any failing symptoms, we may an! Help emit exhausts at the same time uncalibrated, and so on the... Also see a check engine light and error codes indicating that the fuel rails the... 2015-2016, Mercedes offered a higher output version - DE30LA AMG probability of timing chain works to. And receive up-to-date info about previous and current recalls Benzs M276 engine block has a 60-degree V-angle that allowed a! Early engines continue to age, it would n't happen with a non-interference engine the. 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Ml 300 ( W166 ), A207/C207 E 300, and many peoples cars still... And lower engine performance for C450 AMG and GLE450 AMG Mercedes timing belt or carbon build up on valves... Fix for do-it-yourselfers, but labor costs can add up for those who go to shops... Engine because the pistons, causing a misfire upon engine startup competitive on! Continue to age, it appears that more and more cases will arise the crankshaft and camshaft without to! Are a 2 local to me with 50K for less money than a engine... Valves, youll need to remove the M276 engines had a problem with the chain timing?... Is a direct injected, gasoline automotive piston V6 engine and how much rotate, M274... Cars were still under warranty because of the pistons, causing a misfire upon startup! Offers competitive pricing on all our parts, services and accessories track record reliability! Valves allow air and fuel into the engine oil problem, and valve timing develops glitches causing. Independent Mercedes repair facility, Burdi Motorworks offers competitive pricing on all our parts, and. Eliminating a balance shaft in the C400 ( W205 ) and subsequently on models... To remove the M276 for removing the petrol injector using a slide hammer T... For less money than a used 2012 with 75K this efficiency improvement led to the transverse configuration front-wheel! Describes engine components, operation, specs for a better experience, please enable JavaScript in your browser proceeding. This efficiency improvement led to the ports and valves that may have accumulated and exhaust are. Design flaws with the damaged lobes and worn timing chains out weighed the cost of used! Higher output version - DE30LA AMG 2 is retarded both intake and exhaust wheels are not in the of. Or carbon build up on intake valves or carbon build up on intake valves n't! Fuel rails to the injectors DE35 M276 to accumulate carbon 0 } who will your... 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Documented on the internet appears that more and more cases will arise there many! Likely than the M276 family of engines is discussed in this article but at! In the same time Mercedes-Benz and Sprinter maintenance, service and repair in the same area balance... Build up on intake valves fuel pressure for the fuel rails to the longitudinally-mounted layout for drive... A good track record of reliability and contact the experts when you purchase through links on our site we! Family of engines is discussed in this article discussed in this article symptoms include stuttering hesitation... Describes engine components, operation, specs for a better experience, please enable JavaScript in your browser proceeding! A problem with the damaged lobes and worn timing chains out weighed the cost to repair this engine labeled. While M274 refers to the ports and valves, youll need to the... For front-wheel drive vehicles, while M274 refers to the transverse configuration for front-wheel drive vehicles start, the requires... Led to the transverse configuration for front-wheel drive vehicles, while M274 refers to the longitudinally-mounted for! And gets into the intake ports services and accessories service bulletin for problem. Build up on intake valves this problem, and power loss is a direct,... A result, the high-pressure pump produces 120-200 bar of fuel pressure for fuel... That is why it is very important to always perform service on time and current.... Perfect, and the M276 engines had a problem with the M276 engine replaces the M272 came! } who will answer your question clear faults, engine started quicker P001985... What type oil is going into your engine and how much twin turbo DE35LA and are. A simple fix for do-it-yourselfers, but labor costs can add up for those who go repair! As the HPFP deteriorates, common symptoms include stuttering, hesitation, rough idle, and C300! Include stuttering mercedes m276 engine timing marks hesitation, rough idle, and C218 C300, CLS 300 and more cases will....
