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

Closing Assist/Door Lock Issues Due to Pneumatic System Problems

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

Window Regulator Failure is Common

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.

Faulty Mass Air Flow Sensor Causing Erratic Engine Operation and Poor Fuel Economy

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

Is my transmission going out or can i put fluid in it,if so where? (1 answer)

My car all of a sudden wouldn't shift past 25 miles per hour and was sounding like it was trying to shift but was going all the way into the red. I had my boyfriend drive it and it worked for him. Then i drove it later that day for a bit it was ok and then started again and he then drove it a...

Gas not geting to carberator.can hear gas pump wine when start car (1 answer)

How to open the hood? Is there a button where? (1 answer)

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1996 Mercedes-Benz S420 Recalls

Recall 96V058000
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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