A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash.

Engine And Engine Cooling — Engine — Gasoline

Date Announced

NOV 15, 2019

Vehicles Affected

6

Mercedes-Benz Recall #

2020020013

NHTSA Campaign #

19V821000

Summary

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.

Actions

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.

Documents (5)

• Recall 573 Report - Amendment 1
• ISSUED Interim Owner Notification Letter(Part 577)
• Manufacturer Notices(to Dealers,etc)- Recall Campaign Initial Notification Timing Chain Idler Gear MY18-19 217 222 (S-Class)
• Recall Acknowledgement
• Defect Notice 573 Report