1997 Mercedes-Benz S420 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1997 Mercedes-Benz S420
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1997 Mercedes-Benz S420 ProblemsBad 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.
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.
Ports in the cylinder head related to the emissions air injection and EGR systems can clog; the cylinder head should be removed and the ports cleaned.
1997 Mercedes-Benz S420 QuestionsMy 2 side air vents blow hot air when a/c is on while center vents blow cold. (1 answer)
How ca I fix this to get cold air out the side vents. I checked the fuses and they are good. Even when weather is cold they still blow hot air so is not a vent flow problem.
For getting the drivers door panel off to gain access to the window regulator?
im trying to find the easiest way to remove and replace the hood hinges after a hood blow off