Jeffrey,

Take your SL to a body shop and ask them to 'roll' the fenders. If you do not you may have damage if the tire catches the fender. The R129 in later years came with the fenders flared to allow for the larger staggered wheels and tires. Cost should be under $200.00.

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82 380SL 41K miles sold, 98 SL500 44K miles, 13 C300 4Matic, 14 CLA-250 4Matic