Okay...called chrysler...I DO qualify for x31 warranty...only valid on 2005 originally delivered in the southeast...fla, ga, alabama, miss, la, and parts of tx....no limit on ownership and as long as ita under 1000000 mi they are honoring it....mine was not onlyb the back glass but also the two main seems running along the sides of the top are brittle and separating...omg how could mercedes put seams together with only an adhesive? They took pictures and are ordering the top....supposed to call me with eta as soon as they know....I will keep all updated