2026-07-22 · 5 min read
Mercedes-Benz S-Class — 漏油问题
S-Class Oil Leak — M276 and M256
W222 M276 V6 has two known oil leak zones: the valley pan (intake manifold lower area) gasket, which is labour-intensive to access, and the two camshaft cover gaskets. The valley pan gasket typically starts weeping after 80,000 km. W223 M256 oil separator hose and turbo oil lines are the primary suspects on newer cars.
Repair Cost
- Camshaft cover gaskets (both)
- Valley pan gasket (M276) due to high labour