2009 MERCEDES-BENZ CLK-Class M271 DE18 LA/M272 E35 (C209/A209)
C209/A209 / Coupe / Cabriolet / Primarily Europe, selected global markets including North America and Asia
M271 DE18 LAM272 E35OM642Exakter Jahres-/Varianten-DatensatzSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- PCM (powertrain control module) software issues leading to rough idling
- Water pump and thermostat early failure on M272 V6
- Air suspension problems on some Cabriolet models
First checks
- Check maintenance history for regular oil and filter changes
- Inspect cooling system and hoses
- Verify transmission function and fluid 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
- Exact engine availability varies strongly by market and emissions regulations.
- The 2009 model year was the last for the CLK-Class before the introduction of the E-Class Coupe replacement in 2010.