reinhardschroeder92
Mercedes GLK diesel oil level sensor signal faulty
Summary of the thread
A 2010 Mercedes GLK diesel displayed an error message indicating a 'faulty oil level sensor signal,' accompanied by a warning light and oil pressure lamp illumination. The problem was suspected to be due to a defective cable or plug connection. The issue was confirmed to be a faulty sensor connection, which was repaired for 95€, resolving the problem.
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4 comment(s)
reinhardschroeder92 (community.author)
The oil level is not displayed. The error message appears instead.
miafrost7
Ah, so it's completely blind! Yeah, sounds more and more like my Fiat experience. The oil signal was completely dead. I'm no mechanic, but if you're seeing all those lights and getting the error, and the oil level isn't showing, that faulty sensor diagnosis probably rings true. I'd say get it checked out by a workshop, just to be safe. Ignoring it could be like ignoring a ticking time bomb for your engine!
reinhardschroeder92 (community.author)
It was indeed a faulty sensor connection. The repair cost 95€ and the issue is resolved.
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MERCEDES
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GLK
miafrost7
Whoa, that sounds stressful! I had a similar freakout with my old Fiat – different brand, same drama. My 'check engine' light was going bonkers because of a faulty oil sensor too. It was like the car was screaming 'I'm dying!' when it was just a bad connection. Is your oil monitoring working at all? Does it even register the oil level, or is it just showing a blank?