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 ProblemsWorn seat springs/padding may cause lean or sag
Due to age and sun exposure, the interior wood trim cracks and the finish gets a cloudy haze. Replacement if the trim would be the most common solution to the problem.
Due to wear of the internal drive gear, the speedometer can stop working.
1990 Mercedes-Benz 300D QuestionsWhen should the auxillary fan for the A/C come on ?. (1 answer)
Would like to know how to check the current and working condition of the glow plug relay before buying a new relay or new glow plugs. Plugs are 3 years old.