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Problems for specific Mercedes-Benz 300SD years:

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Most reported Mercedes-Benz 300SD problems

 

Verified for the Mercedes-Benz 300SD

The engine wiring can degrade because the insulating material falls off leaving the bare wire exposed. This can cause many problems depending on which wires are exposed and what they touch.

5 Reports
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Verified for the Mercedes-Benz 300SD

Problems with the pneumatic system can cause closing assist and door lock issues.

4 Reports
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Verified for the Mercedes-Benz 300SD

Due to wear, high usage vehicles can experience ignition lock and tumbler failures. The ignition lock cylinder will generally require replacement to correct this concern.

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

2 Reports
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Verified for the Mercedes-Benz 300SD

As brake fluid becomes dirty over time, it can cause a failure of the anti-lock brake system (ABS) modulator assembly. Our technicians recommend a complete brake system flush every two years to help prevent this issue.

2 Reports
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Verified for the Mercedes-Benz 300SD

The tie rod ends, idler arm, and/or drag link components of the steering linkage may wear prematurely. Please keep in mind the wheel alignment should be checked and adjusted when any of these items are replaced.

2 Reports
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Verified for the Mercedes-Benz 300SD

A vibration felt through the center floor of the vehicle can be caused by cracked and/or shredded driveshaft flex discs, resulting in excessive driveshaft movement. If not repaired, damage to the driveshaft center support bearing, transmission, or differential can occur.

2 Reports
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Verified for the Mercedes-Benz 300SD

High mileage vehicles may develop a transmission fluid leak from one or more of the oil seals.

 

2 Reports
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Verified for the Mercedes-Benz 300SD

Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. Our technicians recommend a complete reseal of the differential unit when these leaks are addressed.

2 Reports
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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.

2 Reports
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Verified for the Mercedes-Benz 300SD

A worn steering dampening shock can cause a fluid leak at the front of the vehicle. If a leak is noted from the dampening shock, our technicians tell us that it should be replaced.

2 Reports
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Verified for the Mercedes-Benz 300SD

Instrument cluster lenses break easily.

2 Reports
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Verified for the Mercedes-Benz 300SD

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

2 Reports
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