2012 MERCEDES-BENZ CL-Class M273 V8 (CL550)/M157 V8 Biturbo (CL63 AMG) (C216)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Air suspension compressor failure
• Distronic adaptive cruise control sensor faults
• High-pressure fuel pump wear in AMG variants

First checks

• Inspect air suspension for leaks
• Verify condition of transmission fluid
• Check for active electronic fault codes

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 availability and power output vary significantly by market due to emissions and homologation.
• The C216 CL-Class was discontinued after 2014 with no direct successor; final model years are collectible.