This engine oil separator with dual interchangeable OEM codes 2780180035 and A2780180035 fits all Mercedes-Benz passenger cars and SUVs equipped with M278 4.7-liter twin-turbo and M157 5.5-liter AMG V8 engines, including E-Class W212, CLS C218, ML/GLE W166, GL/GLS X166, S-Class W222 and SL R231 model years 2011 to 2019, serving as the core filtration unit of the crankcase ventilation system.
Constructed with high-temperature anti-deformation plastic shell and precision labyrinth oil mist separation channels, this separator maintains stable filtration efficiency under long-duration high-rev AMG driving conditions. Flange seals, mounting hole spacing and air flow channel angles fully replicate original factory standards, guaranteeing leak-free installation without aftermarket fitment gaps.
The product completes strict engine simulation bench tests including high-temperature endurance, pressure fluctuation and oil mist interception efficiency verification, applicable for daily luxury car travel and track-focused AMG performance driving. It resolves typical V8 engine issues: excessive oil burning, exhaust blue smoke, intake system oil sludge accumulation and persistent check engine alarms, delivering durable OE-grade ventilation system maintenance at competitive wholesale pricing.