Emissions-related ports in cylinder head may clog on Mercedes-Benz 400SEL

Ports in the cylinder head related to the emissions air injection and EGR systems can clog; the cylinder head should be removed and the ports cleaned.

RepairPal Verified
Average mileage: (–)
1 model year affected: 1993
1 person reported this problem
The nation’s largest network of independent repair shops certified for expert training, quality work and fair pricing
Viewing
1
-
0
of
0
problem details