Mercedes-Benz SL-Class Problems: 9 Issues Every Owner Should Know
2003-2025 model years ยท 4,530+ owner reports ยท Updated April 2026
According to Au7o's analysis of 4,530+ owner reports, the 2003-2025 Mercedes-Benz SL-Class has 9 documented known issues, with 2 rated critical. The most serious are ABC (Active Body Control) Hydraulic System Leak ($1,500-$5,000 repair) and Rear-Axle Steering Control Unit/Software Fault Causing Warning Messages and Reduced Stability Functions ($0-$3,500 repair). The most commonly reported issue is ABC (Active Body Control) Hydraulic System Leak with 2,200 owner reports. Across all issues, repair costs range from $0 to $5,000. DIY maintenance guides at au7o.io.