Mercedes-Benz S430 Repair and Maintenance

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

Mercedes-Benz S430 Problems

Cracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration

A vibration felt through the center floor of the vehicle can be caused by cracked and/or shredded driveshaft flex discs, resulting in excessive driveshaft movement. If not repaired, damage to the driveshaft center support bearing, transmission, or differential can occur.

Door Control Modules May Fail

A door control module/actuator may fail. Our technicians recommend finding an expert to repair them. Taking the door trim panels off requires expert knowledge because they can break and the pieces are very expensive.

Airmatic 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.

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Mercedes-Benz S430 Questions

What could it be when ABS , EPS Light coming on...? (1 answer)

Was thinking about replacing the Brake Switch??

How to reset soft door closer . Heard that you can pull the fuse # 19 in the right side of the truck? (1 answer)

What should I do about the fuel gauge? (1 answer)

00' s430 took in water. rear fuse box shorted. Repair was done. Fuel gauge is now not accurate. At full tank the needle is at empty w/o orange light. Drive for 65-70 miles the needle moves to full. What to do?

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Mercedes-Benz S430 Recalls

Incorrect Software Calibration May Cause Fuel Pump to Remain Powered in a Collision

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

Mercedes 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.

Instrument Cluster Illumination May Fail

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. 

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Mercedes-Benz S430 Reviews

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...
The worse car I have ever had. Don't buy from Drive Time Car Dealership because they scammed me with this car that I did not want and because I went in there alone I had no idea what to ask for. I'm a senior female and they took advantage of me.
What a crap. My 2005 MB S430 has 81K. I have had nothing but problems, one after the other. Instrument cluster and command & control had to be replaced three times. Transmission controller module needed to be replaced. Crankshaft sensor, fuel pump, AC blower motor and regulator, windshield wiper motor, etc. all needed to be replaced. Now the temp, clock and gear shift indicator went dead in the...

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