2006 MERCEDES-BENZ CLK-Class M271 DE18 LA (1.8L I4 supercharged)/M112 E32 (3.2L V6) (C209/A209)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Balance shaft issues in early M271 engines
• Electrical gremlins in climate control and instrument cluster

First checks

• Inspect balance shaft recall status (if applicable)
• Check for oil leaks in supercharged 1.8L engines

Antes de cambiar piezas

• 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

• CLK-Class C209/A209 produced 2002-2009 with 2006 as mid-cycle year
• Diesel engines mostly for Europe and select markets, petrol engines widely available globally