The covering for the center console can bubble and discolor. Replacement of the affected part is most commonly only way to repair this concern.Google+
Car Problem Reports
Mercedes-Benz ML500 Covering For Center Console May Bubble/Discolor
Mercedes-Benz ML500 Problem
Average Mileage: 126,666 mi (90,000 mi - 193,000 mi)
Visitor, 2003 Mercedes-Benz ML500, 90,000 mi
Hasn't been fixed yet. Will probably have to be replaced.
Visitor, 2002 Mercedes-Benz ML500
I purchased my truck in 2002, the problem started in 2003 and was replaced by dealership, however the problem is happening again 11 years later.
The cover for the middle compartment bubbles and looks soiled or dis colored.
Visitor, 2003 Mercedes-Benz ML500, 97,000 mi
Covering for center console bubbles. Not fixed