Mercedes-Benz TSB #LI01.30-P-058630
2015 Mercedes-Benz GL350
Affected Component: ELECTRICAL SYSTEM
- Summary
- Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Right cylinder head: Oil passage plug hole below high-pressure pump housing.