What is the correct spark plug for the M119 engine?
Is it the Bosch F9 DC0 or the Bosch F8 DC4? My owner's manual says it's the F9 DC0 but FastLane and the Bosch Website say it's the F8 DC4. Could there have been an update?
1992 Mercedes-Benz 400E
2002 Mercedes-Benz ML500