Two problems related to power steering pump have been reported for the 2010 Mercedes Benz E350. The most recently reported issues are listed below.
While underway lost all steering. Steering wheel went to center and would not turn without extreme extreme excessive force. Replaced power steering pump. On road test found same condition. Removed high-pressure line from pump to steering rack and found plastic liner from the rubber section of the high-pressure line broke free and was forced into the steering rack clogging the steering line. This was close to a high speed collision.
Whining sound from the engine. Gets louder as it goes faster. Took it a mbz dealer in lynnwood washington. They said the car needs a new transmission. The car has 57k miles. Dealer says its very unusual. . . . . Steering wheel was very difficult to turn. This happened when turning the corner in a heavy traffic. Took it to a local mechanic and he had to replace a pump?.
| Power Steering Pump problems | |
| Steering Noise problems |