300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
Ignition Cable: Description and Operation
The ignition leads consist of a braided steel wire conductor covered with a thick high resistance silicone insulation. They are fitted with a 1 kOhm
suppression resistor at the spark plug end of the lead.
Ignition leads should always be installed using the proper retainers and routing.