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Problems for specific Mercedes-Benz 300SD years:

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Most reported 1993 Mercedes-Benz 300SD problems

 

Verified for the Mercedes-Benz 300SD

Vehicles with automatic level control that ride harshly in the rear (no give in the suspension) may have one or both dampening actuators which have failed. It is commonly recommended the actuators be replaced in pairs.

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Verified for the Mercedes-Benz 300SD

The climate control system can fail or perform erratically due to internal problems with the climate control button electrical contacts. Replacement of the climate control assembly is commonly required to correct this problem.

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Verified for the Mercedes-Benz 300SD

Some models have tandem hydraulic pumps—one section for power steering and the other for suspension adjustment. These pumps are prone to leakage from either section.

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Verified for the Mercedes-Benz 300SD

The battery can leak acid onto the engine compartment wiring harness, causing damage to the wiring from corrosion.

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Verified for the Mercedes-Benz 300SD

A cracked or broken heater core outlet housing can cause a coolant leak near the bulkhead (firewall). Our technicians remind us that coolant leaks should be repaired in order to avoid overheating the engine due to coolant loss.

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Verified for the Mercedes-Benz 300SD

The head lamp wipers are easily damaged, especially by automatic car washes.

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Verified for the Mercedes-Benz 300SD

The brakes may begin to squeak at about the 50 percent wear point. This is due to the size and material used for the brake pads and rotors.  The brake rotor surfaces become uneven, causing a lip to form at the outer edge. This will generally require replacement of the rotors when the pads are worn (pad life varies depending on driving style and terrain).

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Verified for the Mercedes-Benz 300SD

The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.

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Verified for the Mercedes-Benz 300SD
Oil leaks can develop around the oil filter housing.
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Verified for the Mercedes-Benz 300SD
Fuel leaks can develop around the high pressure fuel injection pump.
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Verified for the Mercedes-Benz 300SD

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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