Mercedes-Benz CLS55 AMG Repair and Maintenance - Get an online auto repair estimate for your Mercedes-Benz CLS55 AMG
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Mercedes-Benz CLS55 AMG Repair and Maintenance
Mercedes-Benz CLS55 AMG Model Years
Mercedes-Benz CLS55 AMG Problems
| Brakes |
- Due to the size and materials of the brakes on these vehicles, the brakes 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).
- Brake fluid should be flushed every two years to prevent premature anti-lock brake system (ABS) failure.
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| Engine |
- Oil leaks from the PCV vent housings on the valve covers and inspection plates on the front of the engine are common.
- The rubber bond in the harmonic balancer can decay, which causes the balancer to move and work its way into the timing chain cover. If the balancer comes into contact with the timing cover while the engine is running, it will fracture and damage the timing case and potentially other surrounding parts. The harmonic balancer should be inspected at every service.
- Oil leaks from the oil level sensor are common.
- The crankshaft position sensors tend to 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.
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| Suspension & Steering |
- 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.
- Due to sticking relays, airmatic pump motors can fail, which causes the pump motor to constantly run. Because of the battery drain this causes, the pump will eventually fail or the battery will go dead when the car is shut off. Worn airmatic pump mount bushings can causes noises in the front axle while driving on bumpy roads or a buzzing noise.
- Rear air springs (bellows) may develop leaks, which causes the air pump to run more often to maintain ride height.
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| Drive Train |
- 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.
- High mileage or older vehicles develop leaks at the differential seals and cover; the whole unit needs to be resealed to repair the leaks.
- The wire connector on the transmission leaks fluid into the wiring harness. If not repaired, the oil will migrate through the wiring harness and damage the transmission control module. A new harness and control module are required to fix the problem.
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| Electrical & Lights |
- Brake light switch failure can cause the ESP and BAS warnings to illuminate.
- The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems.
- Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.
- Many software updates are available for the different computer systems, but if the vehicle is out of warranty, it may cost money to receive the updates (unless it is a recall). Some updates may be dealer-only, but a well-equipped independent shop can usually provide updates as well.
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Recent Mercedes-Benz Repair Estimates
Most Common Mercedes-Benz Repair Estimates
Maintenance Service B
$350 - $657
Maintenance Service A
$211 - $300
