NHTSA Recall 19V821000
Filed by Mercedes-Benz USA, LLC. Component: Engine And Engine Cooling. Reported 2019-11-15. An estimated 6 vehicles are affected. Recall repairs are free at any authorized dealer.
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.
What the manufacturer will do
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.
Manufacturer campaign number: 2020020013
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.