NHTSA recall campaign
19V821000
What was wrong
Defect
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 S560, S560 Cabriolet, and S560 4MATIC vehicles equipped with 8-cylinder gasoline engines. The threaded connection between the camshaft idler gear and the crankcase may be improperly tightened, possibly causing the idler gear to detach from the crankcase.
Risk
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash.
Manufacturer remedy
MBUSA will notify owners, and dealers will replace the engine, free of charge. The recall began February 21, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020013.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →