Mercedes-Benz 300SD Repair and Maintenance

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

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Mercedes-Benz 300SD 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.

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.

Premature Tire Wear Due to Cracked Lower Control Arm Bushings

The lower control arm bushings can wear and crack, leading to irregular and premature tire wear. Worn Ball joints can also cause similar tire wear problems. I some cases it may be necessary to replace the lower control arm, including bushings & ball joint to correct this concern.

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Mercedes-Benz 300SD Questions

Only one lifter was leaking now all six how do I fix (1 answer)

There is fuel coming out of hoses it's everywhere

How to remove Auxiliary fan assembly and fan blades in Mercedes 1992 300SD (1 answer)

Problems to remove the auxiliary.

please help me out love this car (1 answer)

when i put the car in reverse the engine revs up and jerks in to reverse. also the ac or heat wnt blow out the vents

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Mercedes-Benz 300SD Reviews

Beautiful road car. Well balanced. With me, a full tank of fuel and a suitcase in the trunk the car has 2500 lbs on the front axel and 2500 lbs on the real axel. Has long legs (28 gal tank and 30 MPG on the road) which gives me an 840 mile range to fuel exhaustion. I had just about everything replaced under MB warranty (new factory crated engine, turbocharger, A/C evaporato...

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