Mercedes-Benz R500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz R500

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Mercedes-Benz R500
$
887
to $
1,298
Mercedes-Benz R500
$
279
to $
518
Mercedes-Benz R500
$
93
to $
167
Mercedes-Benz R500
$
662
to $
1,139
Mercedes-Benz R500
$
1,053
to $
1,244

Mercedes-Benz R500 Problems

Internal Component Failure May Cause Rough Shifting

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

Oil May Leak From PCV Vent Housings and Inspection Plates

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

Replace air filter when replacing failed mass air flow sensor

The mass air flow (MAF) sensor tends to fail. The engine air filter should be replaced when the mass air flow sensor is replaced; a dirty filter can allow debris to damage the new sensor.

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Mercedes-Benz R500 Questions

AC cold then pulley froze -serp belt melted pulleys. Cannot turn pulley. (1 answer)

Is the compressor burned up or just the pulley bearings

2006 MB R500 came to our shop with codes P0171 & P0174 for lean conditions in bo (1 answer)

car had multiple codes, and issue w/ suspension, and a steering angle sensor issue, got all those cleared up, now cant get rid of these lean codes.

engine won't turn over, remove key and try again and most of the time it starts. (1 answer)

problem sounded as if the battery was not charged fully. replaced with new battery, it still does it, but with the new battery it will start usually after removing key and trying again.

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Mercedes-Benz R500 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.

Accelerator Pedal May Not Be Fully Fastened to Its Mount

The accelerator pedal may be loose due to insecure mounting studs and nuts. This could cause difficulty operating the accelerator. Dealers will inspect and install the mounting nuts of the accelerator pedal if necessary. The Mercedes-Benz recall number is 2006120008. This recall began on January 16, 2007.

Wire Harness to Starter Motor May Be Damaged

The wiring harness to the starter motor may be routed incorrectly. This could lead to chafing of the protective sleeve on the engine mount cover. Over time, this chafing could wear through the sleeve and expose the underlying wiring. Damaged wires may result in a electrical short and loss of function of the vehicle's electrical system. Dealers will inspect the wiring and correct its routing. If necessary, the protective sleeve and/or wiring will be replaced. This recall is expected to begin on May 12, 2006. The Mercedes-Benz recall number is 2006040002.

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Mercedes-Benz R500 Reviews

Loved the car when purchased, 27000 miles. Then the zeon assembly had to be replaced, the transmission valve body, the airconditioner compressor,all 4 air shocks, all 4 brake rotors and pads, new battery, and it still won't start. power steering reservior, now the rack and pinion steering is leaking a bunch. Have spent about $12,000 in repairs in the last 3 years. Mercedes was little help. I w...
I had that issue with mine and all I needed to do was replace my keys. Never had the issue again.
Great car after you fix-- Hard shifts 1-2 2-1 downshifts- New valve body needed 2k. AC problems- Updated software fix Free. Aimatic Shocks- Car sags at corners- Need to be replaced 1k. Front differential- RRRRRR sound when you let off gas- replace 2k. My car was under warranty all was repaired but if you are going to buy this car used don't do it unless the above problems have been fixed...

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