Mercedes-Benz 400SE Repair and Maintenance

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

The engine wiring can degrade because the insulating material falls off leaving the bare wire exposed. This can cause many problems depending on which wires are exposed and what they touch.

Problems with the pneumatic system can cause closing assist and door lock issues.

A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.

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After finally reaching level ground it then takes off. In August I had work done on the front end. This started occurring after that.

After finally reaching level ground it then takes off.

how is the driver door panel removed

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