mercedes glow plug warning light and control unit relays and electrical multimeter on workbench

Glow Plug Warning Light on Mercedes Diesels

The Glow Plug Warning Light One is the most common dashboard warning lights we see.   Whilst incredibly significant to the starting, operation and economy of a Diesel engine, most maintenance and servicing of Diesel engines in Mercedes Vito, Mercedes Sprinter and other Diesel powered vehicles will neglect the inspection and replacement of the Glow Plug. […]

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