Rear Corner Panels on Sides of Tailgate May Crack/Break on Mercedes-Benz ML350

The rear corner panels on either side of the tailgate (black plastic) can crack or break. They should be cut off and the adhesive removed before new panels are glued on.

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Average mileage: 73,000 (44,000–110,000)
3 model years affected: 2003, 2004, 2005
15 people reported this problem
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Viewing 1 - 7 of 7 problem details
Noticed the problem when we bought the car (orig from CA). It has just gotten worse and is now an embarrassment.
2003 Mercedes-Benz ML350 90,000 mi,
The corner trim was worn and faded. Removed them and had them sanded and repainted. I used all weather adhesive to secure them.
2004 Mercedes-Benz ML350 95,000 mi,
One of the panels fell off while driving. Also, both panels have been peeling since the first year.
2005 Mercedes-Benz ML350 44,000 mi,
The left rear light lens cracked from the inside! I took it to the dealer and the response was, there has been no recall therefore they won't replace for no charge. Obviously, this is a defect.
All of the bumper covers are cheap and crack very easily.
The rear corner panels around tailgate are faded and peeling.
rear panels had to be reinstalled at 40,000 miles i still have a kinda shuttering problem sometimes at a red light or when i stop