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2004 Mercedes-Benz S500 Repair and Maintenance

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

2004 Mercedes-Benz S500 Problems

The door for the vanity mirror (or the frame for the door) can break; due to a redesign, the mirror "cassette" will need replacement.

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

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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2004 Mercedes-Benz S500 Questions

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.

when I crank it this whining sound comes from under the hood....everything else seems to be working find. Its not loosing compressing and the trans is changing as it should. Steering is find....just that noise....any idea what it may be? Thanks

1 day ago, all my commands stop working, no audio on any of the radio, cd player, navigation,none is function, says sound unavailable

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2004 Mercedes-Benz S500 Recalls

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. 

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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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