2023 Mercedes-Benz AMG GT

Issue: 
On certain vehicles equipped with 4-wheel drive (4Matic), the transmission wiring harness may not be routed correctly. As a result, water could enter the wiring harness connector and cause a short circuit.  
Note: This recall is an expansion of Transport Canada recall no. 2024-342. 

Safety Risk: 
A short circuit can create the risk of a fire, even while the vehicle is parked and turned off. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the transmission wiring harness.

Issue: 
On certain vehicles, the 80 A fuse may not have been manufactured properly. As a result, the fuse could overheat and fail. If this happens, there could be a sudden loss of power to the wheels. This could also cause the instrument cluster not to work. 

Safety Risk: 
A fuse and wiring that overheats can create the risk of a fire. A sudden loss of power to the wheels could increase the risk of a crash. Warnings, tell-tales and gauges that don't display could also 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 main fuse box.

Issue: 
On certain vehicles, the bolt for the 48 V ground connection may not have been tightened properly. As a result, the wiring could overheat and melt. 

Safety Risk: 
Wiring that overheats and melts can 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 inspect and, if necessary, tighten the ground connection.

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 exit warning feature may not work properly. As a result, a person leaving the vehicle may not get a warning while opening their door in certain traffic situations where another vehicle is approaching from behind. 

Safety Risk: 
Opening a door while a vehicle is approaching from behind could create an increased risk of a crash. 

Corrective Actions: 
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to update the multimode radar software.