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Stan
Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience:  Technical support engineer
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why ispreglow light going on and off

Customer Question

why ispreglow light going on and off
Submitted: 2 years ago.
Category: Mercedes
Expert:  Stan replied 2 years ago.
Stan :

Hello,
This is an idication that at least one of the glow plugs has failed and needs to be replaced.
Best regards,
Stan