Lea, if your grille is damaged you can get the iundividual rails rather than replace the whole thing. The top rail, which is full width, is about GBP80 and the other rails, which are half width, are about GBP40. I went through this on the parts computer with the parts lady at my local dealership and she was sure about it (Pippa at MB of Newcastle). Obviously, new rails may not match because they will be unblemished.

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JJ Rodger
2013 G350 Bluetec
1999 SL 500
1993 E300 diesel T
1990 190