Defect
During servicing at a dealership, a small number of vehicles may have received an incorrect software update to one or more control units. As a result, the electronic stability control system, exterior lighting, and engine power could be affected.
Safety Risk
Safety systems that don't work correctly could increase the risk of a crash.
Remedy
Mercedes-Benz will notify owners by mail and instruct you to take your vehicle to a dealership to update the software in the control module(s).