Beyond coolant, owners report minor oil weeps as these engines age, including cylinder-cover reseal jobs (quoted around $2,700) and timing-case-cover seepage. Piston scoring leading to increased oil consumption is raised as a concern even on AMG engines, alongside suspension-leveling and oil issues clustered around certain model years.
Oil leaks, seal weeps, and consumption
Mercedes-Benz E63 AMG (W212) · mechanical