MaxMain
Electrical problems and warning light in Mercedes GLC Diesel 2016 - looking for recommendations for a good mechanic
(Translated from German)
Summary of the thread
A 2016 Mercedes GLC Diesel is experiencing electrical issues, including a non-functional sat nav and a warning light on the speedometer. The owner suspects incorrect coding as the cause. A similar case involved a faulty control unit, which was replaced to resolve the issues. The suggested solution is to consult a mechanic for a potential control unit replacement.
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4 comment(s)
MaxMain (community.author)
Hey, thanks for your reply! Your experience sounds pretty similar to what's going on with my GLC right now. The control unit thing might actually be true for me. Can you remember how much the whole thing set you back in repair costs? And were there any other problems afterwards or was everything OK? It would be great if you could let me know. Thank you!
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IsaNeu
Hey, no problem, I'm glad I can help! It cost me around 1000 euros to repair the control unit back then. Not exactly cheap, but what do you want to do when the car goes crazy? I have to admit that I first had to swallow at the price. But at least the faulty coding was fixed afterwards and I didn't have any more problems. So the rather large sum was well worth it. Hopefully this will help you. Good luck, hopefully it's nothing worse for you!
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MaxMain (community.author)
Hey, that definitely helped. I guess you were right with your assumption. 1000 euros is a lot of money, but with this information in mind I can prepare for it. If this at least fixes the faulty coding and the problems with the sat nav and warning light, then it will be worth it. Thank you very much for this information! I will keep you posted on how things progress. Have a nice day!
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IsaNeu
Hey, I had a similar experience. I have a 2013 GLE petrol engine. Had problems with the electrics and then the sat nav stopped working. I also had the same warning light. It turned out that the control unit was faulty. At the time, I had the feeling it was a faulty coding, but it wasn't. They replaced the control unit at the garage. It was quite a big job, as the control unit controls many electronic systems in the car. So not something you can fix on the fly. Had to leave my car there for a few days. Hope this helps you and you find a good mechanic!
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