2003 Mercedes-Benz E320 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Mercedes-Benz E320 4MATIC

2003 Mercedes-Benz E320 4MATIC Problems

Brake Light Switch Failure May Cause ESP/BAS Warning Lights

The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

Leaks Develop at Differential Seals/Cover on High Mileage/Older Vehicles

High mileage or older vehicles commonly develop leaks from the differential seals and/or cover. Our technicians recommend a complete reseal of the differential unit whenever these leaks are repaired.

Spark plug wires causing misfire

Bad spark plug wires can cause misfires; the Check Engine Light may illuminate.

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2003 Mercedes-Benz E320 4MATIC Questions

Back air conditioning is heating (1 answer)

Dear All,
I have a 2003 MB E 320Automatic. Since two months, when I put the air conditioning, in front the air coming out is cool and fresh bu in the back and in the gloves box hot air comes out.
Does anyone know what has to be repaired and how much it would cost?
Thank you for your support.
...

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