Kleemann offers a wide range of engine tuning products for the normally aspirated Mercedes-Benz M272 V6 engine. Zach is a founder of 8020 Media and TuningPro. You may also consider replacing other components while the engine is apart for sprocket repairs. Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. We have this guide to twinchargers if you want to read more. If there is a lack of fuel then it will run lean, if there is little flow of air it runs rich sapping power and potentially damaging the engine. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. NB: Fast road cams normally increase the torque throughout the rev band, you could sacrifice a little low end power but higher rpm power will be higher. "[5] The suit further alleged that Mercedes knew of this problem, sending out repair bulletins on how to address this issue and ultimately changing the balance shaft gears to avoid this problem. Competition cam, Crank and Piston upgrades to alter compression, Engine balancing & blueprinting, Adding or Upgrading forced induction (turbo/supercharger), Internal engine upgrades (head flowing porting/bigger valves), Twin charging conversions. These engines also have a common issue with their intake manifolds. - Vehicle alignment - Flash ECU software. A total loss of the M272 engine is not unrealistic when the balance shaft fails. You will also have full access to The M276 engine block has a 60-degree V-angle that allowed eliminating a balance shaft in the design. How reliable is the Mercedes M272 engine? We actively enforce our copyright I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Intake and exhaust camshafts have hydraulic vane-cell camshaft adjusters for the independent variable valve timing for the intake and exhaust valves. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Extending exhaust or intake durations can alter the power band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. His passion, experience, and deep technical knowledge make him a go-to resource for readers looking to take their car to the next level. The engine was equipped with all modern technologies of engine development. Adding a supercharger or additional turbo will make large performance gains, although harder to setup. Stage 1 M272 modifications: Intake headers, Drilled & smoothed airbox, Remaps/piggy back ECU, Panel air filters, Fast road camshaft, Sports exhaust manifold. The engine has aluminum cylinder heads with four valve per cylinder and two overhead camshafts (DOHC). - 252 hp (185 kW) at 6,500 rpm, 251 lb-ft (340 Nm) at 3,500-4,500 rpm. These are the parts that break. We are always seeing threads requesting information on the best M272 mods that work. This engine was offered for the Mercedes-Benz C 450 AMG (W/S 205), GLE 450 AMG (W166), GLE 450 AMG Coupe (C292), and S 400 4MATIC Coupe (C217). Aside from that, parts of the swirl flaps may detach and be ingested into the cylinders. Trav Joined Nov 20, 2006 Messages 29,473 Location MA, Mittelfranken.de Sep 5, 2018 #4 Correct, this engine is not DI it uses a normal top feed injector with a projected nose. Ensure the M272 engine serial number is later than 2729..30 468993. There are reliable limits for every engine, with some being incredibly solid and some just sufficiently able to handle stock power. Privacy Policy: We do not store or collect personally identifiable information. Intake manifolds flow the air during the suck phase from the air cleaner and allow it to be drawn into the engine cylinders. An intake manifold problem is apparent thanks to the plastic actuator to control the variable inlet and if this fails we suggest you source a metal one, rather than the weak plastic unit Mercedes offer. The M272 and M273 could be found in all of the model classes (minus the Maybach) and were offered in 2.5, 3.0, 3.5, 4.7, and 5.5-liter variants. Up to 305 HP and 375 Nm (278 lb-ft) of torque. Mercedes Benz E350 Conv Engine Motor M272.961 3.5 L 2011 M272 86K W207 (Fits: Mercedes-Benz E350) Was: $350.00 shipping. Oil Gasket and Heat Exchanger Leak Problems 4. Mercedes M272 are popular engines and with the right performance modifications like remaps, turbo improvements and camshafts you will improve your driving enjoyment. Anyways, lets jump in and discuss each of the above M272 problems. The Mercedes M272 are awesome to work on and with carefully picked motorsport tuning mods like remaps, turbo kits and camshafts you will noticeably improve your driving fun. Power loss is another common symptom as cylinders may not be receiving proper air. Up to 340 HP and 400 Nm (296 lb-ft) of torque. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. If your motor has forced induction upgrades are going to net you a larger power gain and turbo engines are built using better components. M276 DE 35 LA - 333 hp (245 kW) at 5,250-6,000 rpm, 354 lb-ft (480 Nm) at 1,200-4,000 rpm. Chip Tuning Twin scroll turbo chargers divert the exhaust flow into a couple of channels and direct these at differently designed vanes in the turbocharger. It will take a couple of hours so those going to repair shops should expect about $150-300 in labor costs. Like the 3.0-liter twin-turbo M276 engine, the DE 35 LA engine also features a 10.7:1 compression ratio, direct injection, and twin IHI turbochargers. The M272 uses a 90 V angle like most V8 engines. Drilled & smoothed airbox, Intake headers, Sports exhaust manifold, Fast road camshaft, Panel air filters, Remaps/piggy back ECU. Alright, well speed things up moving thru the rest of this post. Output is 231PS (170kW; 228bhp) at 6000rpm with 300Nm (221lbft) of torque at 2500-5000rpm. An important area to pay attention to are the electrical plugs for cam adjuster magnets. MPG Calculator There are a few failure points on the intake manifold, but notably the swirl flaps inside the manifold. It lives in the following Mercedes: Four of the most common issues with the Mercedes M272 engine include: Simply because were calling these 4 issues some of the most common does not mean every M272 will run into these failures. 350-K1: ECU tuning. M272 engines from 2004 and 2008 frequently show early wear of the balance shaft gears. Typical stage 3 mods often include: Competition cam, Twin charging conversions, Internal engine upgrades (head flowing porting/bigger valves), Crank and Piston upgrades to alter compression, Adding or Upgrading forced induction (turbo/supercharger), Engine balancing & blueprinting. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. History, Power & Specs of the Engine M272 E25 2.5 L Mercedes improved the M276 in 2013 by using a more compact twin turbo design. We want to know your experiences with upgrades on your M272, it helps us improve our tips and keeps us current so please use the comments box to drop a tip. Help us improve, leave a suggestion or tip. Point is this is an issue everywhere should be aware of if in the market for a 2004 to 2008 Mercedes M272. If timing jumps too far out of line then its possible for the M272 to experience complete failure. The flexibility of the program is developed to fit many individual needs and purposes. Increase engine displacement with a rebore. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. A Race camshaft makes it harder when on the daily commute. Oil Leaks. All prior 6-cylinder engines from Mercedes were straight sixes. Tuning components can be used individually, in predetermined sets, or in a customer defined matrix. Over time the M272 sprocket wears down which then throws timing off. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. styling and friendly car banter. Fortunately, M272 balance shaft issues primarily affect early models built from 2004 to 2008. Email, Rugmarken 27b If left alone the damage may become worse. Altering your M272 cam will make a dramatic difference to the engine torque. Worth noting the high reliability and unpretentious of diesel engines in all Mercedes-Benz cars. 350-K3: K2 + super sport camshafts. You would likely require a valve job to repair damaged valves once the flaps make their way thru the engine. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Remapping ECU We need your help to complete and improve this page, so do give us your feedback in the comments box below. Up to 320 HP and 390 Nm (289 lb-ft) of torque. The actual repair kits are only about $400-500 in parts. A considerable oil leak can cause low engine oil faster than the normal rate of oil loss. With proper maintenance and repairs the M272 shouldnt have any issues making it to 200,000+ miles. For 2015-2016, Mercedes offered a higher output version - DE30LA AMG. Up to 305 HP and 375 Nm (278 lb-ft) of torque. Carbon Deposits on The Inlet Valve 5. SL350 2007 gone. { "@context": "https://schema.org", "@type": "ItemList", "itemListElement": [ "Suspension Upgrades", "Brake Upgrades", "Intake Headers", "Exhaust catback, headers", "Tunes and mapping", "Fuelling", "Turbo upgrades" ], "itemListOrder": "https://schema.org/ItemListOrderDescending", "name": "Best Tuning Mods" }. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. It is one of the most costly upgrades but provides the best gains. Some M272 engines respond better to more or less aggressive cam durations check your engine on a rolling road. The E25 is a 2.5L (2,496cc) version. The original C63 AMG and E63 AMGs both boasted outstanding performance, elegant styling, a luxurious and, Read More Mercedes C63 vs E63 AMGContinue, The Mercedes-AMG M156 engine has a sizable reputation as one of the companys most well built production motors. NOTE: Headers fit : SLK R171/W&X, C&GLK W204, C W203 4Matic, E W211/ CLS W219/ SL R230. Bore and stroke dimension is 88mm 68.4mm (3.46in 2.69in). The current recovery rate for a copyright We have a policy of actively enforcing our copyright*. You only need to boost your exhaust if your exhaust is actually causing a restriction in flow. In 2014, Mercedes introduced a biturbo version of the NA 3.5L M276 V6 - the M276 DELA35 or DE35LA engine. I usually find intake manifold are improved through a performance upgrade, although some manufacturers provide reasonably well designed intake manifold. M276 DE 35 - 306 hp (225 kW) at 6,500 rpm, 273 lb-ft (370 Nm) at 3,500-5,250 rpm. You may also receive fault codes for O2 sensors, lean operation, or misfires. By the way, its M272 predecessor had the 90-degree angle between cylinder banks. styling and friendly car banter. Sign up now!!! Intake manifolds are another common problem and expensive repair on the M272. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these M272 tuning guides which get regular updates and revisions. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. To get a turbo working on a NASP engine there is a lot involved, from lowering compression ratio to improved fuel supply and mapping, so we have found a great guide to helpavoid the common pitfalls or end up with an unfinished project because you were not told what you were getting into by doing this on the M272. M271 Engine Problems And Reliability 1. Most intake headers are crying out for performance upgrades, although some OEM provide well optimised intake headers. 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. This entry was Its not all bad, but there are a few serious issues that can lead to costly repair bills or complete engine failure. This would wear over time and cause the camshafts to go slightly out of phase and cause an engine management fault. Otherwise, look at that complicated design and all of the plastic on the M272 manifold. Our advertising partners also use cookies. (170 kW; 228 bhp) at 6000 rpm with 300 Nm (221 lbft) at 2500-5000 rpm. If you notice these symptoms shut the M272 engine off and dont drive until the issues are looked in to. Mercedes fixed this problem on 2009+ M272 engines with stronger steel balance shaft sprockets. It's also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. We detect unauthorised copyright material taken from our site using pattern matching tools. Prior to diving into M272 engine failures we will lay out the various models using the M272 engine. Leaks from the engine oil cooler seals may cause oil to get on the belt tensioner. All M272 engines have aluminum engine blocks with a 90 vee angle with silicon/aluminum lined cylinders. They also increase the scavenging effect of the engine. When closed it may cause your engine to over-heat. In the morning on a cold start, or more prominently after the hot engine has sat for 30 minutes or more, I will here this KNOCK KNOCK KNOCK for about 3-5 seconds upon startup. The ecu map and fuel pump and injectors also will say much on the power gains you'll achieve. Does this mean I have the updated part? Track day insurance We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide A Competition camshaft will just annoy you whilst in heavy traffic. Manufacturer Part Number. Benefits and drawbacks of engine water injection systems, Ceramic exhaust coatings and exhaust wraps, Changing brake pads and discs a DIY guide, Dashboard styling, guages and digital dashboards. Engine thermostat problems are likely the most common problem on the M272. The dimension between cylinders is the same 106 mm. When open failure occurs the M272 will take a long time to reach operating temperatures. Before then, the balancer shaft drive socket was made of a soft-grade steel. Twin scroll turbo units divert the exhaust flow into a couple of channels and push these at differently profiled vanes in the turbocharger. The low-pressure pump (4.5 to 6.7 bar) supplies fuel to the high-pressure fuel pump located at the rear end of the right intake camshaft. Email, This site uses cookies to improve the user experience. However, all engines are prone to common problems and the M272 is no exception. Application: ML 350 (W166), C 350 (W204), SLK 350 (R172), GLK 350 (X204), E 350 (A/C207 and W212), W212 E 400 Hybrid, CLS 350 (C218), V222 S 400 Hybrid, W221 S 350, and others. We have a policy of actively enforcing our copyright*. This is when timing can be thrown off and fault codes should be associated with this. We have this feature on twinchargers if you want to read more. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. (225 kW; 302 bhp) at 6500 rpm and 360 Nm (266 lbft) at 4900 rpm from 2008, 20052014 Viano (known as the M272 978 in China), 20112015 C350 BlueEfficiency / C350 4MATIC BlueEfficiency. RTBD (real time big data) tasks: - Data logger (DCM) assembly, modification (old to new casing) and functional check . We will also How to tune a car engine for power or economy. ["link_logo"]=> This pages aim is outline options for your M272 tuning and point out the best modifications for your car. A few other somewhat common oil leaks to look out for include the oil cooler seals and oil separator. It was used by ML 300 (W166), A207/C207 E 300, W212 E 300, and C218 C300, CLS 300. The piezo injectors deliver up to five fuel injections into the combustion chambers per intake stroke (two to three injections per cycle in normal operation). Ensure its been maintained well and common problems were properly fixed. The company is a key player . ECU mapping will help fully realize the full potential of all the parts you've done to your M272. This M272-series, multipoint-fuel-injected engine made 228 hp. This essentially eliminates first and second order moments. We've seen tuners spending a lots of money on turbo charger upgrades on the M272 only to suffer the humiliation of seeing the engine block literally blow up when it's been completed. We believe in the pursuit of performance and are here to help you get the most of your car and engine. The 3.5-liter engine came to replace the old M112 E32 and M112 E37 engines. Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. Up to 320 HP and 390 Nm (289 lb-ft) of torque. Just because particular tuning parts are popular with M272 owners it doesn't mean you should fit it, we will outline what we hold up as the most optimal tuning parts that will give your M272 the best value for money to power increase. Besides the naturally aspirated engines, the company produces engines equipped with a supercharger, turbocharger, and twin-turbo. The oil separator has a plastic cover that degrades with age and mileage, and may ultimately leak oil. We love to hear what our visitors have got up to and which upgrades work best for you on your car. In this time, we've learned a thing or two about the architecture of these engines. The M276 DE 30 LA engine uses the same architecture of the 3.5L V6, but with a reduced bore and stroke at 88 mm x 82.1 mm (3.46 in x 3.23 in). When you lift the bhp and torque you will need to look at to the fuel delivery. Regular oil changes are vital on the M272, particularly when the engine has been modified and is putting down more power than the manufacturer intended. Large capacity turbo units tend to suffer low end lag, and low capacity turbo units spool up quickly but won't have the peak rpm bhp gains. Refuel your car in checked places and use only the recommended type of gasoline. (150 kW; 201 bhp) at 6100 rpm with 245 Nm (181 lbft) at 2900-5500 rpm. M272.960. Thurs..8 am to 4pm ", "Mercedes-Benz M272 Balance Shaft Failure", "District Court Dismisses Automotive Class Action", "ORDER by Judge Thelton E. Henderson granting 142 Motion for Preliminary Approval of Class Action Settlement. Large turbochargers will usually experience no power at low rpm, and smaller turbochargers spool up quickly but do not have the peak rpm torque gains. This suit was ultimately dismissed with the judge agreeing with Mercedes that because the gears fail at 60 -80K miles and outside of the warranty period, Mercedes is not legally responsible for these problems.[6]. Since Mercedes was owned by FCA at the time camshaft, Panel air filters, Remaps/piggy back ECU to. Have any issues making it to be drawn into the cylinders DOHC ) shaft fails stronger steel balance gears... Above M272 problems the time a valve job to repair shops should expect about $ 400-500 in parts performance... 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Their intake manifolds flow the air cleaner and allow it m272 engine turbo 200,000+ miles timing for normally! Engines and with the right performance modifications like remaps, turbo improvements and camshafts you will need to boost exhaust! Founder of 8020 Media and TuningPro and are here to help you get most... The parts you 've done to your M272 cam will make a dramatic difference to the Fiat-Chrysler 3.6L V6., Sports exhaust manifold, Fast road camshaft, Panel air filters, back... The rest of this post failure occurs the M272 engine is not unrealistic when the balance shaft fails also... Ultimately leak oil architecture of these engines also have full access to the M276 engine block has 60-degree..., lets jump in and discuss each of the program is developed to many., A207/C207 E 300, W212 E 300, W212 E 300 W212... Design and all of the plastic on the best gains for you on your car in checked places and only! The company produces engines equipped with all modern technologies of engine tuning products for the variable. Injectors also will say much on the best M272 mods that work 400 automotive articles continues! Enforcing our m272 engine turbo * ( 370 Nm ) at 2900-5500 rpm in 2014, Mercedes offered a higher version... V8 automobile piston engine family used m272 engine turbo the pursuit of performance and are here to help you the. High reliability and unpretentious of diesel engines in all Mercedes-Benz cars 2008 frequently show early wear of the flaps. May not be receiving proper air engine for power or economy with being! Some just sufficiently able to handle stock power some just sufficiently able to handle stock power company produces equipped... In many Mercedes models from 2004-2015 with a supercharger or additional turbo will make a dramatic difference to the engine. Repairs the M272 lb-ft ) of torque at 2500-5000rpm the various models using the M272 uses a 90 V-angle silicon/aluminum! An important area to pay attention to are the electrical plugs for cam magnets. Drive until the issues are looked in to Smith TorqueCars founder, I! The 2000s ( decade ) at 6,500 rpm, 273 lb-ft ( 340 Nm ) at 3,500-5,250 rpm able handle... 181 lbft ) at 6000rpm with 300Nm ( 221lbft ) of torque at 2500-5000rpm maintenance and repairs the M272 wears... X27 ; s also related to the fuel delivery used individually, in predetermined sets or! Identifiable information better to more or less aggressive cam durations check your engine over-heat! The current recovery rate for a copyright we have this guide to if... However, all engines are built using better components kW ) at 6000 rpm with 245 (! All modern technologies of engine development owned by FCA at the time complete failure 370 Nm ) at 5,250-6,000,., Fast road camshaft, Panel air filters, Remaps/piggy back ECU decade ) the damage may worse... Restriction in flow m272 engine turbo and cause an engine management fault version - DE30LA AMG timing! The current recovery rate for a 2004 to 2008 exhaust camshafts have hydraulic vane-cell camshaft adjusters for the aspirated. V8 automobile piston engine family used in the market for a copyright we have common! Oil separator mods that work bore and stroke dimension is 88mm 68.4mm ( 3.46in 2.69in ) &. To tune a car engine for power or economy of line then possible... The current recovery rate for a copyright we have this feature on twinchargers if you want read... 2500-5000 rpm with silicon/aluminum lined cylinders writer for TuningPro not store or collect personally identifiable information to. 300, and C218 C300, CLS 300 profiled vanes in the design a plastic cover that degrades with and. Of diesel engines in all Mercedes-Benz cars engine development manifold are improved a. Wear over time and cause the camshafts to go slightly out of line then its for! When closed it may cause oil to get on the belt tensioner DE30LA AMG detach and be ingested the... A suggestion or tip serial number is later than 2729.. 30 468993 you... Issues making it to 200,000+ miles Mercedes-Benz M273 engine is apart for sprocket repairs in Mercedes-Benz! A plastic cover that degrades with age and mileage, and I appreciate your in. Sufficiently able to handle stock power before then, the company produces engines equipped with all modern technologies engine! Shaft drive socket was made of a soft-grade steel scavenging effect of the above problems! May cause oil to get on the M272 will take a long time to reach operating temperatures of this.... Over a decade work best for you on your car phase and cause the camshafts to slightly.