Mercedes-Benz 400E Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz 400E

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

The sunroof may not work correctly due to failed components as a result of age and wear. Repairing a sunroof can be labor intensive and very costly.

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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HIGH AMBIENT ENGINE COMPARTMENT TEMPERATURES ARE EXPERIENCED AFTER THE VEHICLE IS OPERATED AND THEN PARKED. IF THE VEHICLE IS RESTARTED A SHORT TIME LATER AND THE CHARCOAL CANISTER IS SATURATED WITH FUEL, IT IS POSSIBLE THAT FUEL VAPOR MAY BE EXPELLED THROUGH THE INLET VENT LINE OF THE CANISTER O...THE PLASTIC BRAKE HYDRAULIC HOSE FROM THE AUTOMATIC SLIP CONTROL UNIT WAS MISROUTED TOO CLOSE TO THE PRE-RESISTOR FOR THE ELECTRIC AUXILIARY ENGINE COOLING FAN WHICH BECOMES HOT UNDER CERTAIN CONDITIONS. THIS COULD CAUSE THE HOSE TO MELT AND LEAK BRAKE FLUID ONTO THE HOT PRE-RESISTOR.

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These cars are amazing and mine is in immaculant condition having 142k miles and its a 1992 400E. They run and drive excellent and have low maintenance even for its age! Definitely recommend this auto

I just bought it after hitting a deer and totaling my 300E. The A/C doesn't work. It's quite a car but climate control has not been their best effort. It has aftermarket shocks. I want my Bilsteins back.

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