2026-07-22 · 5 min read
Mercedes CLA Oil Leak Problems Malaysia — C117/C118
CLA oil leaks: C117 M270 valve cover, oil separator, and turbo oil return line. C118 M260 shares same failure points. Malaysia fix cost RM 300–1,000.

CLA Oil Leak Guide
CLA C117 M270 and C118 M260 share identical oil leak failure points with the A-Class. The oil separator hose is the first thing to inspect on any CLA with blue smoke or oil consumption above 0.5L per 5,000 km. Valve cover rear corner and turbo return line are the secondary suspects.
Repair Cost
- Oil separator hose: RM 200–400
- Valve cover gasket: RM 300–500
