Mercedes-Benz E430 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz E430 4MATIC

Mercedes-Benz E430 4MATIC Problems

Replace air filter when replacing failed mass air flow sensor

The mass air flow sensor tends to fail causing poor fuel economy and Check Engine light illumination. The engine air filter should be replaced when the mass air flow sensor is replaced; a dirty filter can allow debris to damage the new sensor.

Oil May Leak From PCV Vent Housings and Inspection Plates

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

Malfunctioning Regulators May Cause Blower Motor Failure

A malfunctioning HVAC blower motor regulator can cause the blower motor to operate below the requested speed or not at all. Updated regulators are available; the blower motor and cover need to be replaced at the same time to upgrade the system.

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Mercedes-Benz E430 4MATIC Questions

I can't get it out of park, but it will start and run. (1 answer)

When I parked it everything was fine. Got min it and started it but I couldn't get it out of park. What do I need to do or reset?

my E430 will not go into gear after it warms up. (1 answer)

my E430 will not go into gear after it warms up. The shifter displays R and D but will not display the gear numbers when toggled manually. This seemed to start after I accidentally knocked it out of gear while driving.

I repaired my rear brake pads and rotors but they still squeak in reverse. (1 answer)

Usually on slow reversing

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