Mercedes-Benz S-Class

Issue: 
Under certain conditions, a software problem could cause too much fuel to be injected into the engine. As a result, the exhaust system could overheat and cause the engine wiring harness to melt. If this happens, there could be a sudden loss of power to the wheels. 
 
Safety Risk: 
A loss of power to the wheels could increase the risk of a crash. Additionally, wiring that melts could create the risk of a fire.
 
Corrective Actions: 
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to update the engine control unit software.

Issue: 
On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudden loss of engine power while driving. 
Note: This is an expansion of Transport Canada recall 2023-353. 

Safety Risk: 
A sudden loss of engine power could increase the risk of a crash. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the fuel delivery module.

Issue: 
On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudden loss of engine power while driving. 

Safety Risk: 
A sudden loss of engine power could increase the risk of a crash. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the fuel delivery module.

Issue: 
On certain vehicles, a software problem could cause the rearview camera image not to appear on the central display. Canadian regulations require the rearview image to display when the transmission is shifted into reverse gear. 

Safety Risk: 
A rearview camera image that does not display could reduce a driver's ability to see behind the vehicle while backing up. This could increase the risk of a crash. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and instruct you to take your vehicle to a dealership to update the MBUX multimedia system software.

Issue: 
On certain vehicles, the control module for the taillamps may not work properly. As a result, the rear turn signals, rear hazard warning lights, and reverse lights may not work properly. 

Safety Risk: 
Turn signals or reverse lights that do not work properly could cause road users to be confused of the driver's intentions. Hazard lights that do not work properly could make the vehicle less visible. These issues could increase the risk of a crash. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and instruct you to take your vehicle to a dealership to update the rear lighting control module software.