1993 Mercedes-Benz 300E Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Mercedes-Benz 300E
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1993 Mercedes-Benz 300E ProblemsFailure of EHA valve may cause fuel/engine problems
One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.
Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. Our technicians recommend a complete reseal of the differential unit when these leaks are addressed.
1993 Mercedes-Benz 300E Questionsis there a need to clean the throttle body actuator and how? (1 answer)
the car has sat for five years
I replaced the idle air control valve because when the car is warmed up and I come to a full stop at idle with the car in drive, the idle drops too low, below 500 rpms. A mechanic cleaned the electrical plug which plugs into a component that is also connected to the idle control valve and it wor...