FlowKrid
Brake light failure in the 2018 Mercedes Vito: experience and advice on self-repair
(Translated from German)
Summary of the thread
A 2018 Mercedes Vito owner is experiencing a brake light failure and suspects the "brake light implausible" signal is the cause. Another driver with a similar issue traced it back to a faulty footwell module, which was replaced by a mechanic. The repair resolved the problem, and the brake system functioned properly afterward. The Vito owner, considering the complexity of the repair, decides to consult a mechanic to avoid further damage.
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4 comment(s)
FlowKrid (community.author)
Hello, thanks for the information. Now at least I know what I have to orient myself on. Your experience with the footwell module sounds like quite a big procedure - I imagine it would be challenging to do something like that yourself. If you don't mind me asking, can you remember how expensive the repair was when the mechanic replaced the footwell module? And have you had any other problems since then? Regards.
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HilmaFischFan
Hello, sure, no problem. Repairing the footwell module made my pocket €475 lighter. I'm telling you, it was quite a bite, but considering how important the part is to the functionality of my Sprinter, it was well worth it. And no, I haven't had any more problems since. Of course, the "brake light implausible" signal also disappeared as soon as the module was repaired. Since then, my braking system has been running smoothly and I can drive safely on the road. Hope this helps you. Regards.
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FlowKrid (community.author)
Hi, Wow, that's a bit expensive, but if it fixes the problem for good, then I'll take it. It's reassuring to hear that you haven't had any more problems after replacing the module. I think I will have to go to a mechanic after all as I don't want to take the risk of damaging something even more by trying it myself. Thanks for sharing your experiences with me - they have helped me a lot. Regards.
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HilmaFischFan
Hello, I drive a 2016 Mercedes Sprinter and had similar problems. As soon as the "brake light implausible" signal came on, I was finally able to trace the problem back to the footwell module. It was a serious problem because the module is responsible for numerous functions in the car, including the brake lights. Last time at the garage, it was actually the footwell module that was faulty. The mechanic had to replace it. It was quite a job to replace it as it is located in the footwell on the driver's side and has many cables and other components connected to it. It wasn't a quick fix, but everything worked perfectly again afterwards. The most important thing to remember is that you shouldn't leave your car on the road while the brake light is not working. It's pretty serious. Hope this helps you. Regards.
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