1993 Mercedes-Benz 600SL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 Mercedes-Benz 600SL

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1993 Mercedes-Benz 600SL Problems

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.

Erratic Engine Operation and Poor Fuel Economy Due to Faulty Mass Air Flow Sensor

A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.

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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1993 Mercedes-Benz 600SL Questions

Where can I find a Smog Referee Station in the State of Virginia (Hampton Roads) (1 answer)

I imported a 1993 MBZ 600SL from Canada. I just found out the car is not in compliant with the U S version and not in compliance with USDOT Standards. I want to modify the vehicle with a functioning emissions system(new catalysts and 02 sensors USA) that includes OBD. I have a Mercedes Benz mecha...

Plug wire code identification pictures for dash cluster harness plugs. (1 answer)

After test drive dash gages quit, coolant temp still registers, all other guages quit working, Speedometer, Tach, fuel gage, voltmeter all failed at the same time. This is a Japanese SL600 sport coupe. We have not been able to locate the OVP relay? Pulled the cluster, W1 ground looks good for al...

Catalytic Problems (1 answer)

2000 SL600 REPLACED CATALYTIC CONVERTERS 14000 MILES AGO under warranty. Have gone bad again! $2500.00 repair. Need an alternative!!!!! Their must be a better way! Any advice?

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1993 Mercedes-Benz 600SL Reviews

Great performance on the engine side however, suspension i.e. hyd system and flat ride on failure in addition to cost to repair leave room for improvement. Known wiring harness problems can be a nightmare if left unchecked. Mercedes should step up to the plate and issue recall for effected models but refuses that's a shame. The car is a gem when at a 100% and is a timeless work of art . Down si...

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