Cure the notorious M157, M278, and M276 oil leak, save your alternator, and do the job right with 100% Genuine Mercedes Benz hardware and sealant in one click.
Cure the notorious M157, M278, and M276 oil leak, save your alternator, and do the job right with 100% Genuine Mercedes Benz hardware and sealant in one click.
Cure the notorious M157, M278, and M276 oil leak, save your alternator, and do the job right with 100% Genuine Mercedes Benz hardware, sealant, and four new camshaft magnets in one click.
Comprehensive gasket set for engine rebuilds
Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.
This product was last offered at the strikethrough price on
04-14-2026