Mercedes-Benz—Vito and Viano Vehicles with OM646 Engine
What are the defects?
It is possible that the alternator wiring harness may have been incorrectly routed and could contact other components.
What are the hazards?
In extremely unfavourable circumstances the defect may result in a short circuit.
What should consumers do?
Letters will be sent to affected owners.
Owners are advised to contact their authorised Mercedes-Benz dealer to have the alternator wiring harness inspected, and repairs effected as required, free of charge.