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GLC Diesel Fuel Issues

GLC diesel fuel issues anyone My 2015 GLC diesel is acting up Keeps stalling, especially when idling Check engine light is on and its running rough Seems like fuel consumption is higher too Any ideas Error memory has some error stored

A 2015 GLC diesel is experiencing stalling, rough running, and increased fuel consumption, with the check engine light on. The issue may be related to the fuel system, specifically a defective plug connection to the fuel pump. The suggested solution is to have a workshop diagnose and repair the connection, which resolved the problem.

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4 comment(s)

Sounds familiar I have a GLC too, not sure about the year, but I had similar problems Stalling, rough running turned out to be something with the fuel system Have you checked the fuel pump relay or any of the wiring Could be a simple fix, maybe

Wiring to the fuel pump Where exactly should I be looking Im not really a car mechanics expert, so any pointers would be great

Honestly, Im not completely sure where everything is located in your exact model Id suggest taking it to a workshop and have them check the cable or plug connection They should be able to diagnose it pretty quickly Could be a pump failure, but maybe not

Thanks Took it to the workshop Turns out it was a defective plug connection to the fuel pump Repair cost 95€ Appreciate the help

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MERCEDES

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GLC