There are 1 owner-reported engine complaints for the 2007 Mercedes-Benz SL-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2007 MERCEDES BENZ SL 550. CONSUMER WRITES IN REGARDS TO SEVERAL ATTEMPTS TO REACH OUT TO DEALERSHIPS TO REPAIR VEHICLE ENGINE FAILURE. *SMD THE SPARK PLUGS, VALVE, ENGINE, TRANSMISSION MOUNTS AND CAM PLUGS ON THE LEFT CYLINDER HEAD WERE ALL REPLACED. HOWEVER, TWO DAYS LATER, THE VEHICLE EXHIBITED THE SAME SHAKE AS BEFORE. AS THE CONSUMER WAS DRIVING HOME, THE VEHICLE MADE A POPPING NOISE AND LOST ALL POWER. SHE LATER DISCOVERED THE ENGINE HAD EXPLODED. THE CONSUMER STATED A CLASS ACTION SUIT WAS SENT TO HER HOME REGARDING AN ISSUE WITH SHAFT SPROCKETS AND IDLE GEAR. *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026