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.
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.
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)?