20 Most Recent 1993 Mercedes-Benz Mercedes Benz 400 Class Questions & Answers

under the thermostat housing. you have to remove the belt with a crow bar take out all the nuts and screws remove the pump clean the area put new gasket and put the new pump back . than the belt will take a while

don't think so except for biodegradable wiring harness

On the back of the engine

You have an electrical short. Did someone install a trailer hitch, alarm or stereo recently? take it to a shop and have it checked out - unless you know what work was some on the car and you know how to un-do it.

fan clutch . or the electric fan . relays or fan switch.

Quickest fix is to clean your fuel-injector with a good (not cheapest) miracle-in-a-can fuel additive; see if that helps.