2013 MERCEDES-BENZ S-Class M276 DE35 LA/OM642 (W222)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Air suspension component wear
• Complex electronics faults
• Timing chain tensioner issues on some V8 engines

First checks

• Check air suspension system for leaks or wear
• Review service records for timing chain maintenance
• Verify software updates and electronic system diagnostics

Before replacing parts

• 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 and specs vary by market due to emissions and regulations.
• Oil capacity includes service fill and filter replacement for gasoline engines; consult manual for diesel variants.
• Manual gearbox not offered in 2013 S-Class production.