Mercedes-Benz Problem Reports

Most Reported Mercedes-Benz Problem Reports

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A squeak from the steering column is often related to a rubber boot in the column or a seal in the power steering rack.

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light and various drivability issues. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

Electrical switches in the door latches can fail, causing the door locks to rapidly actuate up and down multiple times when the locks are activated by either the keyless remote or door lock switch. The affected door latch should be replaced to correct this concern.

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.

Door mounted storage pockets can become unglued and fall into the door.

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.

The instrument cluster display may lose pixels and need replacement. However, if the back lighting bulbs for the odometer display in the center of the cluster burn out, they can be replaced.

When turning the ignition key there is either a several second wait, or will have to retry.
Car has left me stranded, where key is in the on position but nothing registers and only auxiliary electrical works (stuff that works when no key in ignition.)
This problem started occurring after a service interval where half a dozen error messages required some steering parts to be replaced.
Knauz Mercedes kept the car for a week and could find no fa...

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.

As vehicles age, various problems may develop with the hard and soft tops. If problems are encountered, it would be recommended to have a technician familiar with these tops perform the diagnoses.

A no start condition may develop due to an anti-theft system fault. If the drive authorization module fails to recognize the keys, the engine will not start. In many cases, a new module and keys will be needed to correct this problem.

Inside grab handles, the upholstery on the center console cover, and door trim panels can delaminate. Most commonly replacement of the affected part is necessary.