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.
2007 Mercedes-Benz GL450 Recalls
Trailer Hitch Welds May Not Be Sufficient
Body, Interior & Misc.,June 2, 2008
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