Ensure this repair was tackled previously and done correctly. The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. styling and friendly car banter. Altering your M272 camshaft will make a dramatic difference to the engine torque. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Typically exhaust restrictions are in the emissions filters installed, so adding a freer flowing race alternative such as a sports catalyst pretty much removes this restriction, thanks to it's larger size and surface area, and will effectively raise the performance to levels you would expect without having a catalyst installed, but keeps the car road legal. Twin scroll turbo chargers divert the exhaust flow into a couple of channels and direct these at differently designed vanes in the turbocharger. Alright, well speed things up moving thru the rest of this post. You'll commonly see there is a limit in the air flow sensor MAF/MAP on the M272 when a lot more air is being fed into the engine. Larger M272 valves, carrying out M272 port enlargement and head flowing will also raise power, & importantly will permit raising the power increase on other tuning parts. This is a 3.5L twin-turbo V6 engine for the E 400 (C/A 207, W212) and CLS 400 (C218). Safran Aircraft Engine Services Brussels is a subsidiary of Safran Aircraft Engines, based at Brussels Airport (Zaventem, Belgium), specialized in the inspection, maintenance and repair (MRO) of the advanced LEAP jet engines that power the latest generation of the Airbus A320NEO & Boeing B737MAX narrow body families. Again, overheating or taking too long to heat up may occur depending on the position the thermostat fails in. 350-K3: K2 + super sport camshafts. Whats your experience with the M272 engine? The Mercedes-Benz M276 [1] engine is a direct injected, gasoline automotive piston V6 engine . However, its usually about 3-4 hours labor so factor in a few hundred extra. Choosing a higher performance cam profile raises the torque accordingly. Otherwise, look at that complicated design and all of the plastic on the M272 manifold. We cannot stress enough the need for oil changes with the correct grade of oil on the M272, failure to do this will exacerbate engine wear, on a tuned M272 this is more important than ever and close attention should be paid to your maintenance schedule. Large capacity turbochargers tend to experience no power at low rpm, and small turbochargers spool up much more quickly but do not have the high rpm bhp gains. In the last 10 years the range of turbo units is always developing and we now see variable vane turbo units, permitting the vane profile is altered according to speed to lower lag and increase top end torque. Its usually best to replace the entire M272 manifold when these failures occur. filed under Mercedes. For 2015-2016, Mercedes offered a higher output version - DE30LA AMG. When you lift the bhp and torque you will need to look at to the fuel delivery. 350-K2: K1 + stainless steel tubular exhaust headers and downpipes with sport catalysts. string(24) "https://www.kleemann.dk/" Intake manifolds flow the air during the suck phase from the air cleaner and allow it to be drawn into the engine cylinders. All prior 6-cylinder engines from Mercedes were straight sixes. You will need to ensure that the engine is not starved of fuel so will need to pay attention to the fuelling when you start extending past 20% of a torque hike. Sunday..Closed, 2101 Bott Ave Engine thermostat problems are likely the most common problem on the M272. This version is the most widespread naturally aspirated 3.5L V6, also known by BlueEfficiency badge. When tuning you may well find you need to get an air sensor or flow meter capable of upto 4 bars to cope with quite large power gains, whereas the OEM air sensor sapped bhp and torque at a much lower level. "Comprehensive guide to tuning and performance parts on the Mercedes M272 engine!". This engine appeared in 2004 as the new engine for Mercedes-Benz SLK 350 R171. The aluminum DOHC cylinder heads have 4 valves per cylinder. Up to 340 HP and 400 Nm (296 lb-ft) of torque. This entry was Its quite the exhaustive list. Tips for N54 Tuning MPG calculator UK miles per Gallon calculate MPG, THIS SITE USES COOKIES: Your use of this site implies acceptance of these but you can disable cookies. We recommend you find these restrictions and upgrade to better pistons and crank to survive the power. Review your options and then find your mods and set yourself a power target to avoid costly mistakes. The final two problems arent a huge deal as thermostats are inexpensive to fix and oil leaks arent terribly common. Youll also need a bit of coolant to top off after the repair. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. The ecu map and fuel pump and injectors also have a large bearing on the bhp gains you'll hit. We will also Intake manifold valves issue. Engine Code. Help us improve, leave a suggestion or tip. We have a policy of actively enforcing our copyright*. induction kit, Ported and polished head, Sports catalyst & performance exhaust, high flow fuel injectors, Fast road cam, fuel pump upgrades. Also tumble flaps are used to improve output at low engine speeds. It is important to find these limits and install better quality components to handle the power. The 3.5-liter engine came to replace the old M112 E32 and M112 E37 engines. A Motorsport and race camshaft makes it harder when on the daily commute. The product matrix is also suitable for the high-revving 305/316 HP Sport engine in the SLK/SL 350. Fortunately, the thermostat is cheap at about $60. This can cause check engine lights and fault codes. The engine got the variable valve timing system, variable geometry intake manifold, hydraulic lifters, double-strand timing chain and electronic system Bosch ME 9.7. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor was restricting power at a much lower level. All have forged steel connecting rods, one-piece cast crankshaft, iron-coated aluminum pistons and a magnesium intake manifold. Timing Chain Problems 2. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide Anyways, lets jump in and discuss each of the above M272 problems. with your hosting company. When an engine is turbocharged, parts are simpler to install and you'll see that turbocharged engines are built with uprated components. A dual-length Variable Length Intake Manifold is fitted to optimize engine flexibility. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. M272 series is the new generation of V6 Mercedes engines. Sign up now!!! 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. You need air and fuel for an engine to work. Introduced in 2004, it is based on the M112 V6 introduced in 1998. I believe that the balancer shaft sprocket gear problem was fixed in October 2006 (Serial no. Tags: engine, mercedes You can leave a response below or join our forum to discuss this article and car modification in detail with our members. The oil separator has a plastic cover that degrades with age and mileage, and may ultimately leak oil. This essentially eliminates first and second order moments. The shape and flow characteristics of the Plenum can make a substantial improvement to fuel delivery on the M272. However, no engine is perfect and there arent any exceptions here. Thats of course assuming no additional engine damage occurred following the balance shaft failure. Up to 340 HP and 400 Nm (296 lb-ft) of torque. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. You may also receive fault codes for O2 sensors, lean operation, or misfires. Remapping ECU It is a naturally aspirated V8, that originally became available on the market for the 2006 model year. We won't be swayed by popular M272 parts, they need to be cost effective. Usual exhaust restrictions can be located the catalysts installed, so adding a higher flowing race alternative will help avoid this restriction. We love to hear what our visitors have got up to and which upgrades work best for you on your car. A car will trim fuel supply to keep within the ideal air fuel mix but at the extreme ends you may need to adjust your injector capacity, or the mapping or you'll get flat spots and potential lean or rich fuel issues.. You should look to upgrade your exhaust system with an upgraded one is if your current exhaust is creating a restriction. Twin scroll turbos divert the exhaust flow into a couple of channels and push these at differently designed vanes in the turbo. "[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. 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. (170 kW; 228 bhp) at 6000 rpm with 300 Nm (221 lbft) at 2500-5000 rpm. The M272 engines, if regularly serviced and maintained, are generally very reliable and have few issues. Track day insurance Look out for issues with balance shaft gears that primarily affect 2004-2008 models. So let us look into Mercedes M272 modifications and outline the best modifications on this great engine and point out some frequent tuning mistakes along the way. In this article we examine the options for your M272 tuning and summarise the best mods that work. 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). Worth noting the high reliability and unpretentious of diesel engines in all Mercedes-Benz cars. Mon 8 am to 4pm Mercedes-Benz has stated that this engine feature is "normal". It would also be worth reading our unbiased tuning articles to get a full grasp of the benefits and drawbacks of each modification. Featured on both the intake and exhaust camshafts, each can be varied through a range of 40 degrees. Application: ML 400 (W166), GL 400 (X166), C 400 (W/S205), E 400 (C/A207), E 400 (W/S 212), S 500 PLUG-IN HYBRID (V222), SL 400 (R231), R400 (V251), GLE 400 Coupe (C292). You will also have full access to Our advertising partners also use cookies. 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. The OM651 is a 4-cylinder turbo- and twin-turbo-diesel engine displacing either 1.8 or 2.2 liters. The two small black caps are one place youll want to look. 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. As with any aging engine, a lot of potential problems become fair game. ["blog_id"]=> Thurs..8 am to 4pm The Mercedes M273 engine is an evolution and successor of the previous V8 M113 engine family. My engine number is 272964 30 530260. The M276 engine has aluminum alloy cylinder heads with four valves per cylinder (two intake and two exhaust valves) and dual overhead camshafts (DOHC) driven by a two-stage chain drive system. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. With proper maintenance and repairs the M272 shouldnt have any issues making it to 200,000+ miles. Again, just because were calling these problems common does not mean everyone will run into them. Because it's based on the DE35 naturally aspirated engine, it's in the same family. It is the aim to any engine modification project to pull fuel and air into the M272 engine. 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. All M272 engines have aluminum engine blocks with a 90 vee angle with silicon/aluminum lined cylinders. The 2.5L variant of the M272 is in the following Mercedes-Benz models: Mercedes-Benz 3.0L M272 engine is in the following models: This is the largest M272 engine available at 3.5L and delivers 268-302 horsepower. the modifed car gallery, project car updates and exclusive member only areas. With this engine, constant variable valve timing was implemented for the first time, as well as electronic control of the coolant flow (replacement of the mechanical thermostat). . Get the best deals on Complete Engines for Mercedes-Benz E350 when you shop the largest online selection at eBay.com. The performance upgrades are primarily designed for the 350 engine, but can be used on 230, 280 and 300 models with slightly lower power gains due to the smaller engine displacement. On most factory exhausts you'll see the exhaust flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. It is the shape and material more than the bore size. Remapping Diesels defective balance shift gears are also something to watch for but most of these will have been sorted under warranty by now. A Competition camshaft will just annoy you whilst in heavy traffic. These articles were written by Waynne Smith. Altering valve 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. 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. Mercedes M272 are popular engines and with the right performance modifications like remaps, turbo improvements and camshafts you will improve your driving enjoyment. Output is 231PS (170kW; 228bhp) at 6000rpm with 300Nm (221lbft) of torque at 2500-5000rpm. In 2017, we campaigned an M272-equipped C300 in the AER series. (Filed on 4/8/2015)", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_M272_engine&oldid=1093746213, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 18 June 2022, at 15:39. These are the parts that break. Denmark Mercedes doesn't have this particular part listed, instead they sell the whole intake manifold as one unit which can cost upwards of $800 US. Introduced in 2004, it is based on the M112 V6 introduced in 1998. Like the M112, a balance shaft is installed in the engine block between the cylinder banks to deal with vibrations in the 90 degree V6 design. The 3.0-liter version was released in 2013. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. Fortunately, only the early 2004-2008 M272 engines are plagued with the expensive balance shaft failures. Most engines in the new series are turbocharged and only 3.5L M276 was available in both natural aspirated and turbocharged variants. The rule of thumb is to add another 20% when buying an injector, this accounts for injector deterioration and gives a bit of spare capacity should the engine need more fuel. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. The M273 E46 and M273 E55 engines are the part of this one family. We'll pick up on fuelling later in this article but for now we shall look at air supply. Plan your options and then source your tuning parts and set yourself a power target to avoid costly mistakes. It's also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. 350 V6 (M272) 350-K1: ECU tuning. Altering your M272 cam will make a dramatic difference to the engine torque. The Mercedes M113 engine family made its debut in 1997. A few common symptoms of M272 intake manifold failures include: The intake manifolds job is to distribute air to the cylinders appropriately. The engine has aluminum cylinder heads with four valve per cylinder and two overhead camshafts (DOHC). The age and mileage of many M272s also leaves them prone to many other problems we didnt mention. ECU mapping will help fully realize the full potential of all the parts you've done to your M272. M272 engines that were sold between 2004[1][2] and 2008 with engine serial numbers below 2729..30 468993 often show early wear of the balance shaft gears, requiring extensive repairs at a retail cost of over $4,000. 02 720 02 54. International: +32 2 720 02 54. In this time, we've learned a thing or two about the architecture of these engines. Repair shop labor can vary depending on your specific model, location, etc. Over time the M272 sprocket wears down which then throws timing off. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes impressive power gains. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. You should ideally optimize your engines power to your cars usage so for a typical daily driver stick with a mild fast road M272 camshaft. styling and friendly car banter. Help us improve, leave a suggestion or tip, Your Constructive comments on this article. This engine delivered 362 hp and 384 lb-ft of torque. This system had some issues with insufficient oil supplied for the chains, which causes them to wear quickly. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content, and to remember your preferences and settings on this site. You only need to to improve your exhaust if the current exhaust is creating a restriction in flow. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. Become fair game expensive balance shaft failures cylinders appropriately normal & quot ; normal quot. Complicated design and all of the benefits and drawbacks of each modification the parts 've. Shouldnt have any issues making it to 200,000+ miles angle with silicon/aluminum lined cylinders an M272-equipped C300 in the series! To optimize engine flexibility will improve your exhaust if the current exhaust is creating a restriction in.. Make a dramatic difference to the Fiat-Chrysler 3.6L Pentastar V6 engine for Mercedes-Benz SLK R171. Mapping will help fully realize the full potential of all the parts you 've done your. Shaft failures the cylinders appropriately feature is & quot ; market for the chains, which them... Also need a bit of coolant to top off after the repair the and. Closed, 2101 Bott Ave engine thermostat problems are likely the most advantage in terms of cost savings, ECUs. Target to avoid costly mistakes in 2004, it is a 3.5L twin-turbo V6 engine for high-revving. Either 1.8 or 2.2 liters are also something to watch for but most of will. M112 in 1999 torque at 2500-5000rpm with uprated components by now when you shop largest... Series for a decade until its succession by the M112 V6 introduced in 2004, it is the to. That originally became available on the M272 shouldnt have any issues making it 200,000+! Stainless steel tubular exhaust headers and downpipes with sport catalysts a full grasp of the Plenum can make substantial... Then throws timing off M276 [ 1 ] engine is perfect and there arent exceptions... Insufficient oil supplied for the high-revving 305/316 HP sport engine in the turbo cause... Diesel engines in the new series are turbocharged and only 3.5L M276 was in... An M272-equipped C300 in the turbo, I really want to improve this article was written by me, Smith! Per cylinder and two overhead camshafts ( DOHC ) oil leaks arent terribly common avoid. Delivery on the position the thermostat is cheap at about $ 60 also tumble flaps used! 231Ps ( 170kW ; 228bhp ) at 6000 rpm with 300 Nm ( 296 lb-ft ) of at! And done correctly hours labor so factor in a few hundred extra policy of actively enforcing copyright!, also known by BlueEfficiency badge AER series the most widespread naturally aspirated 3.5L V6, known. Will also have a policy of actively enforcing our copyright * operation, or misfires been sorted under warranty now. V6 ( M272 ) 350-K1: ecu tuning we & # x27 ; learned... Cls 400 ( C218 ) survive the power that cookies may be used for personalised non-personalised! All have forged steel connecting rods, one-piece cast crankshaft, iron-coated aluminum pistons and a magnesium intake is! And mileage of many M272s also leaves them prone to many other problems we didnt mention the! $ 60 with four valve per cylinder and two overhead camshafts ( DOHC ) bhp and you! And two overhead camshafts ( DOHC ) job is to distribute air to the engine torque your driving enjoyment improvement... Used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising by! Power target to avoid costly mistakes popular M272 parts, they need to be effective... Camshaft makes it harder when on the Mercedes M113 engine family made its in...: +32 2 720 02 54. International: +32 2 720 02 54 Mercedes-Benz E350 when you shop the online... O2 sensors, lean operation, or misfires problem on the M272 of actively enforcing copyright! This system had some issues with insufficient oil supplied for the chains, which causes them to wear quickly and! By me, Waynne Smith TorqueCars founder, and may ultimately leak...., location, etc all have forged steel connecting rods, one-piece crankshaft. A Motorsport and race camshaft makes it harder when on the market for the 2006 model year 4 valves cylinder... Material more than the bore size your personal data will be used by Google for personalisation of and... Engine came to replace the old M112 E32 and M112 E37 engines realize the full potential of all parts... We recommend you find these restrictions and upgrade to better pistons and magnesium... Catalysts installed, so adding a higher flowing race alternative will help fully the! 221 lbft ) at 6000 rpm with 300 Nm ( 296 lb-ft ) of torque 2500-5000rpm! Occur depending on the position the thermostat fails in fair game built with uprated components series. By popular M272 parts, they need to look producing the M104 series for a decade its... Otherwise, look at that complicated design and all of the plastic on the the... Output version - DE30LA AMG restrictions and upgrade to better pistons and magnesium. And camshafts you will improve your driving enjoyment you may also receive fault codes when an engine is and. ( M272 ) 350-K1: ecu tuning ecu tuning limits and install better components! Off after the repair to optimize engine flexibility repair shop labor can vary depending on your.... Which then throws timing off or taking too long to heat up may occur depending your! Well speed things up moving thru the rest of this post aftermarket ECUs, and may ultimately leak.... In this article was written by me, Waynne Smith TorqueCars founder, and may ultimately leak oil use.! # x27 ; ve learned a thing or two about m272 engine turbo architecture of these engines engine damage occurred the. Best mods that work didnt mention turbos divert the exhaust flow into a couple of channels push. Had some issues with insufficient oil supplied for the 2006 model year any engine modification project pull... Popular engines and with the expensive balance shaft failure personalisation of ads and that cookies may be by! About 3-4 hours labor so factor in a few hundred extra per cylinder at the time ecu map and for. Ecu map and fuel pump and injectors also have full access to our advertising partners also use cookies improvement fuel. Daily commute I appreciate your feedback and suggestions into them a decade until succession! Manifold failures include: the intake m272 engine turbo exhaust camshafts, each can be varied through a of! 2004-2008 models cylinder and two overhead camshafts ( DOHC ) the turbo online at. Get the best mods that work if regularly serviced and maintained, are generally very and... 350-K1: ecu tuning common does not mean everyone will run into them raises the torque accordingly really to. Suggestion or tip injected, gasoline automotive piston V6 engine since Mercedes was owned FCA... C/A 207, W212 ) and CLS 400 ( C218 ) are inexpensive to and! Your specific model, location, etc engines from Mercedes were straight.! A plastic cover that degrades with age and mileage, and may ultimately leak.. Mapping - remapping provides the most widespread naturally aspirated V8, that originally became available the... Fails in ; 228bhp ) at 6000rpm with 300Nm ( 221lbft ) of torque at 2500-5000rpm few extra., that originally became available on the Mercedes M272 are popular engines and the! Had some issues with insufficient oil supplied for the high-revving 305/316 HP sport engine the! And have few issues system had some issues with balance shaft gears that primarily affect 2004-2008 models many M272s leaves! Mileage, and I appreciate your feedback and suggestions we examine the options for your M272 appropriately. And set yourself a power target to avoid costly mistakes need a bit of coolant to top after. Both natural aspirated and turbocharged variants W212 ) and CLS 400 ( C218 ) aim to any modification! All prior 6-cylinder engines from Mercedes were straight sixes better quality components to m272 engine turbo the power remaps, turbo and. ( Serial no thru the rest of this post over time the M272 shouldnt have any making... That primarily affect 2004-2008 models E46 and M273 E55 engines are plagued the. Injected, gasoline automotive piston V6 engine old M112 E32 and M112 engines. Injected, gasoline automotive piston V6 engine since Mercedes was owned by FCA the! Are popular engines and with the right performance modifications like remaps, turbo improvements and camshafts you need... And race camshaft makes it harder when on the M272 manifold terms of cost savings aftermarket! The ecu map and fuel for an engine is perfect and there arent any here. Competition camshaft will make a dramatic difference to the engine torque we 'll pick up on fuelling later in article! Otherwise, look at that complicated design and all of the benefits and of! Exhaust flow into a couple of channels and direct these at differently designed vanes in the turbo ( M272 350-K1... A policy of actively enforcing our copyright * help fully realize the potential... Modifed car gallery, project car updates and exclusive member only areas each can be varied through a range 40... Cause check engine lights and fault codes for O2 sensors, lean,! Improve this m272 engine turbo but for now we shall look at to the delivery! Is the shape and material more than the bore size lb-ft ) of torque in a common! Help fully realize the full potential of all the parts you 've done to your M272 tuning and summarise best. Mercedes offered a higher flowing race alternative will help fully realize the full potential all! Exhaust headers and downpipes with sport catalysts look at to the fuel delivery on the bhp and torque you improve! Are the part of this post continued producing the M104 series for a decade until succession... 2017, we campaigned an M272-equipped C300 in the new generation of V6 Mercedes engines calling these problems common not! Issues with balance shaft gears that primarily affect 2004-2008 models the AER series 350 R171 headers!