2018 MERCEDES-BENZ S-Class M276 DE 35 LA/M177 V8 Biturbo (W222)
W222 / Sedan / Coupe / Cabriolet (market-dependent) / Global (noting engine variants differ regionally)
M276 DE 35 LAM177 V8 BiturboOM656 OM656OM617 diesel (certain markets)Registro exacto de año/versiónGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Air suspension leaks (AIRMATIC failures)
- Electrical issues with COMAND system
- Turbocharger wastegate rattle in early V8 petrol units
- Diesel particulate filter (DPF) clogging in diesel variants
First checks
- Check air suspension components and compressor functionality
- Inspect COMAND/navigation system for software updates
- Monitor turbocharger noise on petrol variants
- Verify DPF regeneration and condition in diesel 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
- The 2018 S-Class W222 received a mid-cycle refresh with updated engines and tech; availability of engines and trims varies widely by market.
- Hybrid-mild hybrid versions started introduction in 2018 but limited to certain markets and model years after mid-2018.
- Oil capacity and fluid specifications vary by engine variant—always verify engine code and market for exact data.