Відомий дефект: Injector sealing and fuel leakage issues are reported on OM651 engines, including ‘black death’ at the injector seats if seal leakage occurs.
Відомий дефект (ГРМ): Timing chain wear/stretch has been reported on OM651 engines, with symptoms including rattling noise and timing correlation faults. Early OM651 engines also had balance shaft/chain-related repair campaigns in some applications.