SCCA® Solo classing — unofficial guide
What autocross class is a Mercedes-Benz C63 AMG (non-Black Series)?
FSStreetSSTStreet Touring
A stock 2008–2021 Mercedes-Benz C63 AMG (non-Black Series) runs in FS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within SST tire and wheel limits), it runs SST.
From the 2026 rulebook (Appendix A)
Street: 'C63 AMG (non-Black Series) (2008-21)' = FS. ST: 'C63 AMG (non-Black Series) (2008-2021)' = SST.
Unofficial guidance verified against the 2026 SCCA® Solo® Rules — always confirm against the current rulebook before competing. Classing data cites the exact Appendix A wording it relies on.