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2003 Mercedes-Benz CL55 AMG Problems

Find the most common issues based on 2003 Mercedes-Benz CL55 AMG owner complaints.
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Most Common 2003 Mercedes-Benz CL55 AMG Problems

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 lo...
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 piece...
The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
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2 Known 2003 Mercedes-Benz CL55 AMG Brakes Problems

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 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.

3 Known 2003 Mercedes-Benz CL55 AMG Drive Train Problems

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 ...
Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.
The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid could migrate through the wiring harness and damage the transmission control module. If that happe...

4 Known 2003 Mercedes-Benz CL55 AMG Electrical & Lights Problems

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 piece...
CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

4 Known 2003 Mercedes-Benz CL55 AMG Engine Problems

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
Oil can leak through the seal on the oil sensor or from the sensor itself. The lower oil pan must be removed and the part replaced.
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 ...

2 Known 2003 Mercedes-Benz CL55 AMG Exhaust & Emissions Problems

Bad spark plug wires can cause misfires; the Check Engine Light may illuminate.
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.

2 Known 2003 Mercedes-Benz CL55 AMG Heating & Air Conditioning Problems

Due to wear of mechanical parts in the control head, the buttons on temperature control assemblies work erratically or not at all. These control heads need to be replaced for this concern or when...
The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the a...

0 Known 2003 Mercedes-Benz CL55 AMG Maintenance Problems

5 Known 2003 Mercedes-Benz CL55 AMG Miscellaneous Problems

The side window glass can delaminate. If this were to occur, replacement of the affected window would be necessary.
Window seals tend to develop leaks.
The door for the vanity mirror (or the frame for the door) can break; due to a redesign, the mirror "cassette" will need replacement.

2 Known 2003 Mercedes-Benz CL55 AMG Suspension & Steering Problems

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 lo...
Front thrust arm and control arm bushings can crack and sometimes tear completely. If this is not repaired quickly, damage to the front subframe unit will occur, which is very expensive to repa...

24
Known 2003 Mercedes-Benz CL55 AMG Problems & Complaints

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...
CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
Bad spark plug wires can cause misfires; the Check Engine Light may illuminate.
Front thrust arm and control arm bushings can crack and sometimes tear completely. If this is not repaired quickly, damage to the front subframe unit will occur, which is very expensive to repa...
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 lo...
The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
Due to wear of mechanical parts in the control head, the buttons on temperature control assemblies work erratically or not at all. These control heads need to be replaced for this concern or when...
Cup holders break easily, especially if sticky liquids are spilled into the cup holder mechanism.
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.
The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the a...
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 ...
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.
The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid could migrate through the wiring harness and damage the transmission control module. If that happe...
The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.
Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.
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