Three problems related to other fuel system have been reported for the 2007 Mercedes Benz GL450. The most recently reported issues are listed below.
On several occasions the engine has shut down without warning. This has happened at idle (stopped at a red light) and when traveling 70+mph on the interstate. The event happens very fast and the engine restarts within 30sec. The warning lights on the dashboard light up like a christmas tree but all systems continue working (ac, radio, etc). I have taken it to 2 different mechanics and neither one has been able to identify the problem. This has been very scary and makes me feel unsafe driving this vehicle.
While driving on the freeway at approximately 60 mph, the vehicle randomly shut-off with no warnings whatsoever, including all the internal electronics (e. G. Navigation, dashboard). After 1 second, the vehicle restarted all by itself. The clock inside the vehicle kept on circling back and forth as if some lightning hit it or something, and it was very scary, since there were many cars on the freeway.
Vehicle will not change gear and become sluggish with terrible fuel consumption. Tried fuel treatment, problem gets better then return. The problem is intermittent.
| Other Fuel System problems | |
| Other Fuel System Pump problems |