Mercedes Benz S Class recall: Automatic transmission may malfunction
- What's wrong
- It has been identified on certain 6 cylinder diesel engine/9 speed automatic transmission vehicles the starter/alternator/transmission wiring harness may be too close to the exhaust system. If it is then there is a risk that the wiring harness may suffer heat damage which can result…
- What to do
- Contact a Mercedes Benz dealer to book the free repair. Recall all affected vehicles to check and if required reroute or replace the wiring harness. The type of action is dependant on the amount of damage present.
What’s wrong
It has been identified on certain 6 cylinder diesel engine/9 speed automatic transmission vehicles the starter/alternator/transmission wiring harness may be too close to the exhaust system. If it is then there is a risk that the wiring harness may suffer heat damage which can result in the transmission inadvertently selecting neutral whilst driving the Auto P function or the manual P function in the transmission not being available. The manually operated parking brake will still function.
The fix
Recall all affected vehicles to check and if required reroute or replace the wiring harness. The type of action is dependant on the amount of damage present.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| S Class | 1 Apr 2014 | 30 Apr 2016 | 723 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 31 October 2016. This page summarises an official notice. Details can change – always follow the official notice.