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Resources for the Repair and Maintenance of your Mercedes-Benz CLS500

Mercedes-Benz CLS500 Models:

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Mercedes-Benz CLS500 Problems

Engine -- Verified

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.

Engine -- Verified

An engine oil leak may develop from the oil level sensor. Replacement of the leaking sensor will commonly correct this concern.

Engine -- Verified

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance. Communicating these specific symptoms to your technician can save diagnostic time.

Suspension & Steering -- Verified

Irregular and premature tire wear can be caused by the front thrust link bushings cracking and causing excessive movement in the suspension. The thrust link bushings are fluid-filled (to help reduce vibration), so if they crack, they will leak oil.

Brakes -- Verified

Due to the size and material used on the brakes of these vehicles, the brakes may start to squeak around the 50 percent wear point. The brake rotor surfaces become uneven, causing a lip to form at the outer edge of the rotor. Because of this, the rotors are usually replaced when the pads are worn (pad life varies depending on driving style and terrain).

Mercedes-Benz CLS500 Recalls (Recent)

Brakes, August 8, 2005

RepairPal Expert Overview:

Due to deterioration of the wiring harness connection or failure of the hydraulic pump, the sensotronic brake control (SBC) system may default to the hydraulic back-up mode. In the back-up mode, the driver has braking power sufficient to stop the vehicle, but greater brake pedal pressure is required and brake pedal travel will be noticeably longer. Dealers will install a bracket and replacement ground wire to the SBC pump unit on all affected vehicles. Additionally, dealers will inspect and replace the SSC pump unit in certain SL models. The Mercedes-Benz recall numbers are 2005070007 AND 2005110001.


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Mercedes-Benz CLS500 Questions and Answers

Mr. Johnson, 2006 Mercedes-Benz CLS500, Humble, TX

I'm currently in the process of purchasing some 20 inch rims 20 x 8.5 front - rear 20 x 10 (front tire 245/30/20) (Rear tire 285/25/20) and wanted to know by placing these wheel on this car w...

Mr. Johnson, 2006 Mercedes-Benz CLS500, Humble, TX

When start my car it has this burning smell, but once drove for a wheel the smell goes away. I asked the guy at the dealship what was the smell and he stated that when cleaning the motor they spray...

kriscarterjones, 2006 Mercedes-Benz CLS500, Memphis, TN

I have 36k miles for my 2006 MB CLS 500. I have exceeded my service by 4400 miles. I have to make an unexpected trip totalling 700 miles. Is this a good idea or should I rent a car?

battery, 2006 Mercedes-Benz CLS500, Woodstock, IL

where is the battery located?

sage 5150, 2006 Mercedes-Benz CLS500, Baltimore, MD

I was wondering where the fuel filter is on the CLS500? I believe it’s in the fuel assembly and I was also wondering how to access it, thought the trunk or back seat? Any help would be appreciated.

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Mercedes-Benz CLS500 Reviews

I just had a new suspension sensor put on my 2006 cls 500 mercedes, but it is not getting power to the new part.

we are experiencing problems with our 2006 CLS500 shifting from automatic to stick shift. This mostly happens when doing city driving, i.e. stop signs, red lights and stopped in traffic. It is very scary because I have to completely shut the car off and restart it to get it to go back into automatic. This is a very dangerous and scary situation, because you are practically stalled in traffric. The engine reeves up and RPM's are going crazy, very scary. This car has less than 50,000 miles and I don't think this kind of problem should be happening now.

Wanted to know if anyone has experienced your 2006 CLS500 having shifting RPM issues. Recently, I have experienced this issue in automatic drive. Someone informed me it may be the transmission or it may be a defected gearshaft part.

And the CLS55 is even better at 469 hp!

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