A factory Webasto sliding roof is desirable and adds value, and owners insist a good one does not leak. But buyers should confirm authenticity: sunroof cars carry distinct VIN prefixes, the roof structure is reportedly not reinforced for the opening, and aftermarket sunroofs retrofitted to flip cars are called out as non-original.
Webasto sunroof: value-add, but verify it is original
Mercedes-Benz Ponton · cosmetic