One problem related to power steering failed has been reported for the 2008 Mercedes Benz ML350. The most recently reported issues are listed below.
The contact owns a 2008 mercedes-benz Ml350. While driving 5 mph, the steering wheel became difficult to maneuver and a squealing sound was heard coming from the engine. The failure occurred constantly. The vehicle was taken to the dealer where it was diagnosed that the high pressure line and the power steering control head failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 64,745.