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jenniferhofmann4

Mercedes GLK Diesel Transmission Problem

My 2013 Mercedes GLK diesel has a shifting problem The automatic transmission feels off and the transmission indicator light is on Could the transmission oil be the cause

Summary of the thread

A 2013 Mercedes GLK diesel is experiencing shifting problems, with the transmission indicator light on. The issue may be related to undervoltage affecting electronic controls or worn-out transmission oil. Solutions include checking voltage levels and getting a professional transmission flush. After addressing these issues, the transmission is reported to be functioning smoothly again.

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4 comment(s)

leviblaze1

I had similar transmission performance issues with my Mercedes Have you checked for undervoltage That can cause implausible shifting behavior When was the last time you had a transmission flush

jenniferhofmann4 (community.author)

Undervoltage How would that affect the transmission I'm not sure if a transmission flush has ever been done Is that something I could do myself or is it best left to the professionals

leviblaze1

Undervoltage can mess with the electronic controls of the transmission As for the transmission flush it's tricky to do yourself You need the right equipment Given the symptoms it might be best to take it to a workshop They can check the fluid condition and voltage levels

jenniferhofmann4 (community.author)

Thanks I'll get the voltage checked out and book it into a workshop for the transmission I got a transmission flush and some electrical work done for 240€ and it's shifting smoothly now It was related to undervoltage and worn out transmission oil

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MERCEDES

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GLK