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ViktorS89

Key problems and warning lights in Mercedes S Class 2011

Hey guys, I have a small problem with my Mercedes S Class from 2011, gasoline engine with 80149 km on the clock. My car is puzzling me - it has problems locking and unlocking, the key doesn't work properly and then there are also some warning lights flashing on the speedometer. I think the battery in the ignition key might be flat. Have you had any similar experiences? How was it with your mechanic? I'm pretty unsure after my last visit to the garage, which wasn't great. Thanks for your help!

(Translated from German)

4 comment(s)

TobiTisch

Moin mate, that sounds exactly like the problem I encountered with my 2014 Mercedes E-Class. Exactly the same symptoms. Seems to me that the control unit for the central locking is faulty. Don't worry, it's annoying but not critical. Last time at the garage, the master technician reconnected and reconfigured it and that saved the day. The signal from the key then went through clearly again. Check your handbook to see if it says anything about this and tell your mechanic to check the central locking system. Good luck with that!

(Translated from German)

ViktorS89 (Author)

Hey, thanks for the quick reply! Sounds like a solution. Do you have any idea how much it cost you at the garage? And have there been any other problems since then? The mechanic suggested something similar to me before. Thank you!

(Translated from German)

TobiTisch

Hey, I'm glad I could help! Of course I remember the cost. It wasn't easy to forget, because I had to pay a hefty €465 to repair the central locking control unit. But since then everything has run like clockwork, no more problems in this direction. Also, the ignition key battery was indeed flat, as you suspected, but that was fixed by the mechanic. I'm really glad that everything is working again now. I hope it works the same for you! Good luck!

(Translated from German)

ViktorS89 (Author)

Man, that's a lot of money, of course! But if it runs like clockwork again afterwards, then it's worth it. I'm already relieved that it might not be major damage after all. I'll definitely mention your tip the next time I visit the garage. I'll also check the key battery straight away. Thanks again for your helpful information! Keep your fingers crossed that everything goes smoothly!

(Translated from German)

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