Problem Reports
Problem with your car? See what our experts say or submit your own.
2003 Mercedes-Benz CL55 AMG Problems
Active Body Control System Can Leak Hydraulic Fluid
The active body control system can leak fluid from numerous areas, including the tandem pump, hydraulic lines, struts, and/or seals. If it is not repaired, the vehicle ride height could drop too low and cause damage to the undercarriage.
Side Window Glass May Delaminate
The side window glass can delaminate. If this were to occur, replacement of the affected window would be necessary.
Door Control Module May Fail
A door control module/actuator may fail. Our technicians recommend finding an expert to repair them. Taking the door trim panels off requires expert knowledge because they can break and the pieces are very expensive.
Stalling and/or "Crank no Start" Due to Failed Crankshaft Position Sensor
The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
Oil leak at oil sensor
Command, Voice Control, PSE, & Tele Aid Modules and CD Chnagers Are All Prone to Failure
CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
Buttons on temperature control assemblies work erratically due to wear of parts in control head
Engine Oil Leak From PCV Vent Housing and/or Engine Inspection Plate
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.
Spilling sticky liquids around cup holder may cause lid to stick/break
ABS Modulator Failure Due to Dirty Brake Fluid
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.
Cracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration
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.
Center Console Armrest May Break
The center console armrest can break. Replacement is commonly the recommended repair.
Spark plug wires causing misfire
Bad spark plug wires can cause misfires; the Check Engine Light may illuminate.
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.