2001 Mercedes-Benz S430 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2001 Mercedes-Benz S430

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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.

CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.

I have not had this problem fixed. I was wondering if anyone out there had the same problem. I can't get the trunk to open using the key or the remote.

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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. 

The HVAC blower motor may lose power because the fuse for the circuit may lose contact. This is due to a flaw in the plastic holder that secures the fuse that protects this circuit. If the fan stops working, you may not be able to clear fog and frost off of your windshield. If visibility is reduced, you could be at risk of getting into an accident. Dealers will install new blower motor fuse holders. This recall began during October 2004. The Mercedes-Benz recall number is 2004 070010.

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Sadly, my family has experienced Mercedes Benz E320 and S430. I enjoyed the E320 way more than the S430. I feel both cars were poorly designed, the cost of repairs closely added up to the cost of purchase. I've owned a Ford and Toyota, and they've spent less time in the shop than the luxury cars. Problems ranged from: suspension and exhaustion hose issues(E320), power steering issues, electroni...

worst car ever,lots of problem all the time, been to repair shop often

Bought a 2001 S430 used. I've had four MBZ, 1979 240D, 1980 280SE, '82 380SEL. A 1983 380SL which I still have which has nearly 300,000 miles. The 2001 is pathetic. Repairs constantly, AC is intermittent (AZ weather!), electrical anomalies, and no door lock switch on the drivers door. Head rests that flip down and not up, trunk does not open with key fob, doors do not lock with key fob. Wind...

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