Thanks guys. I'm on pretty good terms with my local dealer (or I ought to be the amount of money he takes off me), I'm sure if I pop round he'll take a quick look. No sign of damage to the tyre. I did a 200mile trip today and the car was fine--it's easy to be paranoid about these things and feel distortions that aren't there, but I think it's fine. I'll ask the dealer to have a look nonetheless. Thanks again.

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