2007 Mercedes-Benz GL450 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2007 Mercedes-Benz GL450

2007 Mercedes-Benz GL450 Problems

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.

An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspection plate on the front of the engine.

As a way to increase braking performance, the brake pads and rotors are make of a softer material and may be in need of replacement after approximately 20,000 miles; owners should be vigilant about getting their brakes checked.

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2007 Mercedes-Benz GL450 Questions

this is the code I got when I diagnose it is U0103 lost communication with gear shift module.

I took it to be repaired. They added a/c coolant & I had cold air for 2 weeks- still with the chemical smell. Also began hearing a hissing type sound (like air leaking) when ac was first turned on & right after it was turned off. (This sound was not there before). After 2 weeks, same prob...

Why is my gl550 rear and back suspension low with a malfunctioning sign showing an arrow going up but it's not going up in anyway with awkward movement while driving tilting at any bump.

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2007 Mercedes-Benz GL450 Recalls

The weld on the trailer hitch assembly may be insufficient and not support a load. If the hitch weld failed, a load may separate from the vehicle, causing a road hazard. Dealers will repair the trailer hitch. The Mercedes-Benz recall number is 2008050004. This recall began during June, 2008.

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2007 Mercedes-Benz GL450 Reviews

Sometimes my 450 will not downshift ansd once you stop it will not go into reverse until you restart thecar.

I love my GL450, I had a ML500 and sold it for this GL450 and never looked back. Listed at $73500 with all options in 2007 a new 2011 is now over $94,000 with same options. getting priced too high

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