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Problems for specific Mercedes-Benz E350 years:

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Most reported 2009 Mercedes-Benz E350 problems

 

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Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.

83 Reports
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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.

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

20 Reports
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Lack of audio or cell phone functionality may be related to the failure of the audio gateway module.

15 Reports
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The relay which turns the airmatic suspension pump on may fail causing the pump to run continuously. This can result in failure of the pump motor or a dead battery as the pump motor will continue to run after the car is turned off. Also, Worn airmatic pump mount bushings can causes noises in the front axle while driving on bumpy roads or a buzzing noise while the pump is running.

15 Reports
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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.

12 Reports
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The cup holder in the center console is known to break.

12 Reports
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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 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).

11 Reports
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The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement of the failed switch should correct this concern.

10 Reports
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Water can damage the weight sensor in the front, passenger seat, causing the SRS (airbag) light to illuminate. There is an electrical component in the seat cushion susceptible to fluid damage. Any spills should be dried up immediately in order to try and prevent damage to the sensor.

9 Reports
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Verified for the Mercedes-Benz E350

Rear air springs (bellows) may develop leaks, which causes the air pump to run more often to maintain ride height. Our technicians recommend that leaking air springs be replaced.

7 Reports
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The early versions of the central gateway module (which allows different systems to communicate with each other) have software problems. 

7 Reports
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The release tab for the center console can fall off unexpectedly.

6 Reports
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Verified for the Mercedes-Benz E350

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.

6 Reports
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Verified for the Mercedes-Benz E350

A failed digital heater control valve can cause a lack of heat output from the climate control system.

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