1992 Mercedes-Benz 300SE Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Mercedes-Benz 300SE

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1992 Mercedes-Benz 300SE Problems

Engine Oil and Coolant Leaks Resulting in Fulid Intermix

Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.

Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

Poor AC Performance Due to Refrigerant Loss

A refrigerant leak may develop from one or more of the following AC components: AC compressor, hose manifold for the compressor, or the evaporator core. The loss of refrigerant can cause poor AC performance. Our technicians tell us that proper leak diagnoses should be performed in order to determine the cause of any refrigerant loss.

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1992 Mercedes-Benz 300SE Questions

My compressor is not engaging (1 answer)

I changed the blower motor an resistor now my compressor want engage but it was before i changed out the part an no fuses are blown how to get it to engage again.

My Air conditioning unit does not work properly... (1 answer)

compressor did not come on when adding refrigerant....fuse under hood is not blown...? compressor does work, checked with jumper wire....

It looses power and makes a click sound and engine goes off (1 answer)

When reaching high speed on freeway makes a click sound and it shuts down.

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