1996 Mercedes-Benz S420 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1996 Mercedes-Benz S420
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1996 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.
1996 Mercedes-Benz S420 QuestionsIs my transmission going out or can i put fluid in it,if so where? (1 answer)
My car all of a sudden wouldn't shift past 25 miles per hour and was sounding like it was trying to shift but was going all the way into the red. I had my boyfriend drive it and it worked for him. Then i drove it later that day for a bit it was ok and then started again and he then drove it a...