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: 145,000 mi (97,000 mi - 193,000 mi)
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