Reported risk: Issue:
On certain vehicles equipped with a 6-cylinder gasoline engine, the wiring to the engine coolant pump could contact and become damaged by the engine fan. If this occurs, it could cause the engine coolant pump to stop working and the engine to overheat and stall. This could also cause the 48V on-board electrical system to deactivate while the engine is running. Under this condition the vehicle could be continued to be driven, however, the engine could not be restarted after it is switched off by the ECO start/stop function or the glide mode.
Safety Risk:
A loss of engine power and/or a loss of power to electrical systems could increase the risk of a crash.
Corrective Actions:
Mercedes-Benz will notify owners by mail. Owners will be instructed to take their vehicle to a dealer to inspect, and if necessary, replace the wiring to the coolant pump. Dealers will also re-route the wiring to prevent contact with the engine fan.
Verify each fact at the issuing agency before acting. Recall scope, affected lots, and remediation instructions may be updated by the agency after our last sync.
ProductGuru indexes recall and safety-alert records from ~30 public agency registries. We are not lawyers, regulators or product-safety consultants. This page restates what the named agency published; consult the primary source above (or qualified counsel in your jurisdiction) before any commercial, medical or safety decision.