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2006 Mercedes-Benz CLK500

Transmission May Leak Fluid and Damage Control Module

Verified for the Mercedes-Benz CLK500

The electrical connector at the automatic transmission may leak fluid into the wiring harness. If not repaired, the oil will migrate through the wiring harness and damage the transmission control module. At that point, a new harness and control module may be necessary to correct this problem.

12 Reports

Computer Control Modules (Seats, Doors, CD Changer, Brake Lamp Switch) May Fail

Verified for the Mercedes-Benz CLK500

Computer control modules for the seats and doors, the CD changer, and the brake lamp switch tend to fail.

9 Reports

Clicking Noise From Behind Center of Dash

Verified for the Mercedes-Benz CLK500

A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. The actuating arm controls the direction of air flow in the climate control system. Disassembly of the center console will be required to access and change the broken arm with the updated, reinforced part.

9 Reports

"Crank no Start" Due to Failed Crankshaft Position Sensor

Verified for the Mercedes-Benz CLK500

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.

9 Reports

Convertible Models may Deploy the Roll Bar When Driving Over Large Bumps

Verified for the Mercedes-Benz CLK500

Going over large bumps in convertible models may cause the roll bar to deploy, rendering the roof inoperative. Special tools are generally required to return the roll bar to its stowed position.

8 Reports

Cup Holders in Dash May Break

Verified for the Mercedes-Benz CLK500

Cup holders in the dash are known to break requiring repair or replacement.

6 Reports

Oil Leaking From Oil Level Sensor

Verified for the Mercedes-Benz CLK500

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

5 Reports

Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate

Verified for the Mercedes-Benz CLK500

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.

5 Reports

Alignment &Tire Wear Issue and/or Clunk or Thud From Front Suspension

Verified for the Mercedes-Benz CLK500

Torque thrust bushings in the front suspension may crack and leak oil, this causes steering alignment problems and excessive tire wear. Another symptom of a worn bushing is a clunk or thud noted when turning, on hard acceleration, or hard braking.

5 Reports

ABS Modulator Failure Due to Dirty Brake Fluid

Verified for the Mercedes-Benz CLK500

The anti-lock brake system (ABS) modulator assembly may fail due to dirty brake fluid. Our technicians recommend a complete brake system flush every two years in order to help prevent this problem.

4 Reports

Check Engine Light and Engine Misfire

Verified for the Mercedes-Benz CLK500

Failed spark plug wires and/or ignition coils can cause intermittent misfires (rough running); the Check Engine Light may also illuminate. Diagnoses of the ignition system will be necessary to determine which components are at fault.

4 Reports

Knocking Noise Over Bumps Due to Worn Sway Bar Link Joints

Verified for the Mercedes-Benz CLK500

The sway bar end link joints may wear and cause a knocking noise over bumps. Loose or warn links should be replaced to correct this type of noise.

4 Reports

Check Engine Light On Due to Failed Mass Air Flow Sensor

Verified for the Mercedes-Benz CLK500

The mass air flow sensor can fail, resulting in poor fuel economy and Check Engine Light illumination.

4 Reports

Hold down nut for front strut may bacome loose

Verified for the Mercedes-Benz CLK500
The hold down nut for the upper front strut area can become loose, causing a knocking noise. This can be repaired without removing the strut assembly.
4 Reports

Ball joints may wear and cause tire wear

Verified for the Mercedes-Benz CLK500

Ball joints can wear out prematurely, causing wear in the tires.

4 Reports

Heater case may crack

Verified for the Mercedes-Benz CLK500
The heater case for the center vents can crack near the stop sensors. If the stops break, the control motor will not know when to stop and will run continuously.
4 Reports

Harmonic Balancer May Fail and Damage Timing Cover

Verified for the Mercedes-Benz CLK500

The rubber bond in the harmonic balancer can decay, which causes the balancer to move and work its way toward the timing cover. If the balancer comes into contact with the timing cover while the engine is running, it will fracture and damage the cover and potentially other surrounding parts. The harmonic balancer should be inspected at every service.

4 Reports

HVAC Oder Due to Mildew in Heater Box

Verified for the Mercedes-Benz CLK500

The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.

4 Reports

Cracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration

Verified for the Mercedes-Benz CLK500

A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage to the driveshaft center support bearing, or, in the worst case scenario, damage to the transmission or differential.

4 Reports

The Differential May Develop Leaks From the Seals or Cover

Verified for the Mercedes-Benz CLK500

High mileage or older vehicles commonly develop leaks from the differential seals and/or cover. Our technicians recommend a complete reseal of the differential unit whenever these leaks are repaired.

4 Reports

Brake Pads & Rotors May Wear After 20,000 Miles

Verified for the Mercedes-Benz CLK500

As a way to increase braking performance, the brake pads and rotors are make of a softer material and may be in need of replacement after approximately 20,000 miles; owners should be vigilant about getting their brakes checked.

4 Reports
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