1990 Mercedes-Benz 300D Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Mercedes-Benz 300D
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1990 Mercedes-Benz 300D ProblemsLeaks Develop at Differential Seals/Cover on High Mileage/Older Vehicles
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.
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.