2004 Mercedes-Benz S500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Mercedes-Benz S500
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2004 Mercedes-Benz S500 ProblemsClosing Assist/Door Lock Issues Due to Pneumatic System Problems
Problems with the pneumatic system can cause closing assist and door lock issues.
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 door for the vanity mirror (or the frame for the door) can break; due to a redesign, the mirror "cassette" will need replacement.
2004 Mercedes-Benz S500 Questionsreplace engine and transmission mounts and spark plugs (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 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.
2004 Mercedes-Benz S500 RecallsIncorrect 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.
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.