2004 Mercedes-Benz S500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Mercedes-Benz S500

Repair Estimates
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2004 Mercedes-Benz S500
$
74
to $
139
2004 Mercedes-Benz S500
$
107
to $
161
2004 Mercedes-Benz S500
$
527
to $
788
2004 Mercedes-Benz S500
$
272
to $
473
2004 Mercedes-Benz S500
$
1,238
to $
2,252

2004 Mercedes-Benz S500 Problems

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.

Closing Assist/Door Lock Issues Due to Pneumatic System Problems

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

CD Changers and Command/Voice Control/PSE/Tele Aid Units May Fail

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

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2004 Mercedes-Benz S500 Questions

replace engine and transmission mounts and spark plugs (1 answer)

Ignition system locked. Key will not turn in ignition and locked in park (1 answer)

windows and sunroof would open when ignition off, alarm would go off when i locked doors Now the entire ignition system locked up. Key will not turn when in ignition switch, the automatic shift lever starter will not work no locks will work???

The cylinder on the driver side rear strut fell off some how. Why? (1 answer)

The cylinder on the 2004 Mercedes-benz driver side rear strut came off. Why? after checking the paasenger side they seem to be on very secure.My understanding is that this cylinder is for the leveling.

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2004 Mercedes-Benz S500 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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2004 Mercedes-Benz S500 Reviews

I just bought the 2004 S500 today. The test drive is excellent! Hope nothing will expose to me later! I have checked the Carfax report the 5 old owners seems to have starting problem! But when I cranked the car today it fired up instantly!
Bought it used (2004), with 100K miles. First day the AC started to blow cold through the vents, but hot on the floor. Second day, the left rear door handle broke off, today the command console shut down completely. Rides well! Can't wait to see what tomorrow brings.

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