Online Questions Askedby Sueann Blackwell-Merrillville Auto Glass & Trim on 03/09/11
(Bing: "can the glass in a soft top convertible mercedes break if you put it down in cold weather")
No-- it is not recommended to lower your convertible top when the tempertures get below 55 degress. The top get stiff and shrinks and depending on age could make it rip and crack . So the anwer is yes - you can break a convertible top glass when you let it down in cold weather -- also make sure nothing is in the way (well area) when lowering your top.