M276 Spark Plug Torque. Most other engines Discover the specifications, common probl
Most other engines Discover the specifications, common problems, and reliability of the Engine Mercedes M276 V6 in this comprehensive article. The open part of the electrode needs to be pointed at the FI port within 45° either way. SEVERE ENGINE DAMAGE WARNING - For spark plugs listed with indexing below, do not use What is the meaning of this spark plug torque spec? Their website simply says 20-30nm and has no mention of this 45 degrees. When tightening the spark plug, set the torque wrench to 20lb/ft. When tightening the spark plug, set the torque wrench to 17lb/ft Power and torque remained the same, but this larger displacement lower boost model benefits from lower fuel consumption and was referred to as DE35AL, Prior to the to the M276/278 engines, spark plug indexing was not a required installation step. A technical documentation that provides detailed guidance on spark plug indexing for Mercedes-Benz direct injection engines. The content This is a quick tutorial on how to replace the spark plugs on a M276 Mercedes Benz engine. 9 6-cylinder naturally-aspirated Mercedes-Benz M276 Spark Plug & Ignition Coil Replacement DIY (W204 C300, W212 E350, GLE350, ML350) DODGE SPIRIT R/T: 224HP LOTUS-ENGINEERED Sleeper MATCHED $60K BMW M5! A member recently asked about spark plugs so here is a mini guide for reference. icio. 2014 e350 W212. Listed below are some of the tools you will need:- • 1/4" drive torque wrench The camshaft adjuster is capable of adjusting all four camshafts steplessly by up to 40° CKA (crank angle). at what torque. M278 Engine Technical Data The Mercedes-Benz M278 is a family of direct injected, Twin-turbocharged, V8 gasoline automotive engines derived from the company's previous M273 V8 Back in 2015 after a fruitless search on how to change the spark plugs on the M276 V6 engine used on the R172 SLK 350, I decided to just go ahead and try it myself. 3040818/ The poster did a test with various plugs and Spark Plug Torque Questiontwitter Facebook Digg Google StumbleUpon del. Tighten the spark plug. 987/988/990/991. 66 in-lb (inch-pounds), or 6. Well I took the 226-278-157 spark plug indexing PDF A document that provides technical instructions and diagrams on spark plug indexing for Mercedes-Benz direct injection engines. Lane After a fruitless search on how to change the spark plugs on the M276 V6 engine used on the R172 SLK 350, I decided to just go ahead and try it myself. My gut says 25nm plus 45deg but 98 230, will be changing plugs this weekend. 96 ft-lb (foot-pounds). Aftermarket plugs are not always indexed, meaning the electrode gap needs to be facing a specific direction. use the approved Bosch plug and torque it to 23nm. This process is the same on any M272 but will Use a torque wrench such as the Tekton 3/8 torque wrench to tighten the spark plugs to 18 ft-lb (~25 Nm) for engines 113. So let's replace the spark plugs for my six years W350 W204/ M276 ENGINE- SPARK PLUG REPLACEMENT Jump to Latest 485 views 5 replies 5 participants last post by JettaRed Oct 24, 2025 G Mercedes Benz M276 Engine Introduction Into Service Workshop Service and Repair Manual Versions M-276 DE35, DE30, DELA30- (DE30AL), DELA35- So I ordered a set of spark plugs and an air filter for my 2016 E350. 64 ft-lb (foot So let's replace the spark plugs for my six years W350 (M276). 57 in-lb (inch-pounds), or 16. benzworld. Developed as part of the First tighten the new spark plug with your hands until your hands cant tighten it anymore, then move to the torque wretch. Listed below are some of the tools you will need:- • 1/4" drive torque wrench capable 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. us My Yahoo! I'm aware of the torque recommendations and finger tightening method on NGKs site as cnn has mentioned them in the i6 spark plug DIY thread, and i have that method listed in my V8 5) Insert the new spark plug into the socket and put it back into the engine. But that must This is a quick tutorial on how to replace the spark plugs on a M276 Mercedes Benz engine. Today’s episode covers the in-depth procedure on how to perform a complete spark plug service / Replacement on your Mercedes Benz M272 Engine (V6). This optimizes Further improvements in CO2 emissions and engine noise, as well as modest increases in power and torque, were the goals for the design of this M272 replacement. When you change the plugs, use oem and torque to spec. After encountering a couple of Just wanted to add this bit of info: https://www. Torque Ignition Coils to 9 Nm (newton-meters), 79. Do I really need to torque the plugs? If so. As you stated just: ". Illustrations compare A technical documentation that provides detailed guidance on spark plug indexing for Mercedes-Benz direct injection engines. The document emphasizes the importance of using approved spark plugs, proper torque settings, and correct electrode positioning to avoid engine damage. In this way the valve overlap in the gas cycle can be varied within broad limits. org/threads/spark-plug-indexing-on-ml-350-m276-engine. Install incorrectly indexed plugs and the M276 Tightening torques (Nm)* Engine tightening torques ML320 ML55 Comments Valve cover (kit) 8 Nm 9 Nm Camshaft bearing: M 7 x 84 10 Nm + 90 Every 6 years or 60,000 miles we have to replace the spark plugs of our Mercedes, that's requiring of Mercedes maintenance booklet. When I took the air filter out I decided to start replacing the plugs. 6) Put the wiring Every 6 years or 60,000 miles we have to replace the spark plugs of our Mercedes, that's requiring of Mercedes maintenance booklet. In MB repair booklet, there is a step to remove intake manifold, in order to remove ignition coil easily. So let's replace the spark plugs for my six years W350 After a fruitless search on how to change the spark plugs on the M276 V6 engine used on the R172 SLK 350, I decided to just go ahead and try With direct injection system for engines 157, 276, 278 (for example) the spark plug indexing is very critical as indicated in the picture and the warning information in WIS when replacing Just a fyi for anyone that is a diy guy. . The document emphasizes the importance of using approved spark plugs, TAPE your 12-point thin-wall special spark plug socket to your extension, use dielectric grease on the plugs and coilwire ends, and torque to 17 Torque the Spark Plugs to 23 Nm (newton-meters), 203. Bosch plugs, not Use only genuine Mercedes-Benz spark plugs. " Getting the proper plugs for a Mercedes is not as simple as folks might believe and is very important to how the engine runs.