2009 MERCEDES-BENZ CLS-Class M272 E35/M273 E55 (C219)
C219 / 4-door coupe / Global (Europe, North America, others with market-specific variations)
M272 E35M273 E55OM642M156Fiche exacte année/versionGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Timing chain tensioner wear on M272 V6 engines
- Balance shaft issues on early M273 V8 petrol
- Oil leaks from valve covers
- Air suspension component failure on some markets
First checks
- Inspect timing chain and tensioner for noise
- Check for oil leaks around valve covers and oil cooler
- Verify operation of air suspension if equipped
- Confirm transmission shifting smoothness
Avant de remplacer des pièces
- 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
- Market variations affect engine availability, especially diesel versions prevalent in Europe and not in North America.
- High-performance AMG 63 models use the naturally aspirated M156 6.2L V8 engine with distinct service requirements.