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1990 Mercedes-Benz 300D Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Mercedes-Benz 300D

1990 Mercedes-Benz 300D Problems

Due to wear of the internal drive gear, the speedometer can stop working.

A knocking noise from the front end can be caused by cracked strut tower bushings.

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.

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1990 Mercedes-Benz 300D Questions

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.

My question is on using the service .

My interior light does not come on when when I open either door. The light does come on with the light switch. Is there more than one light in there and how do I get to the bulb(s)?

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1990 Mercedes-Benz 300D Reviews

I own a 94 european model imported in 97. Best ever hands down, it even has the fire-extinguisher system under driver seat. Starts right up, handles, accelerates and handles great.

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