2002 Mercedes-Benz S430 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 Mercedes-Benz S430
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2002 Mercedes-Benz S430 ProblemsAirmatic Pump Motors May Fail Due to Sticking Relays
The relay which turns the airmatic suspension pump on may fail causing the pump to run continuously. This can result in failure of the pump motor or a dead battery as the pump motor will continue to run after the car is turned off. Also, Worn airmatic pump mount bushings can causes noises in the front axle while driving on bumpy roads or a buzzing noise while the pump is running.
The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the air will be very cold at first, before warming up.
CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
2002 Mercedes-Benz S430 Questionsafter changing the crankshaft position sensor I hear a metallic sound taking off (1 answer)
The previous owner said that his mechanics told him the ESP BAS ABS module is bad and it make the cars suspension, automatic ride shocks go up when the turn when I turn off the car. Is this an easy fix or is it something it's much more difficult than just replacing that ESP BAS module to cont...
2002 Mercedes-Benz S430 RecallsMercedes Recalls Multiple 2000-2004 Vehicles Due to Leaking Active Body Control Hose
The hose may corrode due to extensive exposure to humidity. This may cause fluid leakage onto the catalytic converter. This would present a fire hazard. Dealers will a new high pressure distrution hose.
The instrument cluster illumination may fail. This may result in difficulty reading the gauges, indicators, and speedometer. Not being able to see the cluster may lead to an accident. Dealers will replace the instrument cluster modules. This recall started on September 29, 2006.