The Foldable Cargo Liner has been available for the GL-Class for a few months and is now available for the 2006-2011 ML-Class. The mat for the 2012 M-Class should be available next month. This is a really handy accessory for drivers who want to protect the carpeted cargo area from spills and scuffs while still folding the seats at will. You can order this item from your local parts department.
Part # BQ6750038 GL-Class Foldable Cargo Liner MY07-12, Black MSRP $145.00
Part # BQ6750039 M-Class Foldable Cargo Liner MY06-11, Black MSRP $145.00