2003 Mercedes Benz S55 Repair Question

Topics covered: Spark, Spark plugs.
Mileage: 125,000 miles.

Asked on December 13, 2010

Spark plugs

How can you tell when to change spark plugs in mercedes?

Asked by tuntavern

Replied on December 15, 2010

Standard type spark plugs should be changed every 40K Iridium type long life plugs every 100K

mark (mhpautos)

Answered by mhpautos (expert)
26,891 answers provided