2012 MERCEDES-BENZ E-Class M271 DE18 LA (E200 CGI)/M276 DE35 LA (E350) (W212)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Air suspension wear on some models
• Electrical gremlins in early W212 models
• Balance shaft issues on certain engines

First checks

• Verify correct engine oil per MB specs
• Inspect air suspension if equipped
• Check transmission fluid level and condition

Vor dem Teiletausch

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Engine specifications and available trims vary significantly by market (Europe, North America, Asia).
• 2012 was a mid-cycle year with a facelift introduced late in the year in some regions.