1996 Mercedes-Benz S420 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1996 Mercedes-Benz S420

1996 Mercedes-Benz S420 Problems

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

One or more door windows may stop working due to a failed window regulator. Replacement of the failed regulator will be necessary to correct this concern.

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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1996 Mercedes-Benz S420 Questions

Car has only 91,000 gentle miles on it and has been well maintained. Has a rattling sound when cold that goes away after it warms up. Any idea what it might be?

even the sunroof stop working the door was pulled open to far i think the wwires was pulled is it a way to chase them to the fuses box and where do they run under the dash

the car wont start or the ignition wont release key

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1996 Mercedes-Benz S420 Recalls

THE DRIVE BELT PULLEY ON THE ENGINE CAN DEVELOP FATIGUE CRACKS IN THE METAL AND BREAK. IF THE DRIVE PULLEY BREAKS, THE CAR WOULD NOT HAVE ENGINE COOLING, BATTERY CHARGING, AND/OR POWER STEERING.

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