Hi,

I suggest to add German quotation marks to the Latex Bundle:
This can be archieved by adding
>>
<array>
<string>„</string>
<string>"</string>
</array>
<<
to 
Latex.tmbundle/Preferences/Miscellaneous.plist and
Latex.tmbundle/Preferences/Smart\ Typing\ \(Strings\).tmPreferences

under the "highlightPairs" and "smartTypingPairs" sections in each
file.

Please note that I have limited knowledge on how those bundles work.
Applying the changes above worked for me.

Kind regards
Johannes