OliverM
Rear window heating in S Class Mercedes 2007 goes wrong: experience and solutions wanted
(Translated from German)
Summary of the thread
The rear window heater in a 2007 S Class Mercedes is malfunctioning, with errors being stored but no resolution. A similar issue in a 2004 E-Class Mercedes was caused by faulty heater wires, requiring replacement of the entire part. The suggested solution is to have the heater wires checked and potentially replaced by a mechanic, as this resolved the issue in the previous case.
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4 comment(s)
OliverM (community.author)
Hi, thanks for the reply! It sounds like that might be my problem too. Could you remember approximately how much you paid for the repair? And have there been any other problems since then that could be related to this? Many thanks in advance!
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AndiKochRacer
Hello, you're welcome! Of course I remember that! The repair wasn't cheap, it cost me €585 because unfortunately the heating wires were defective and had to be replaced. But since I had it done, the rear window heater has worked perfectly. So I can say that since the visit to the mechanic, the functional limitation of the rear window heating has been rectified. And no, no further problems have occurred since then, everything is running perfectly. Keep your fingers crossed that everything runs smoothly for you too! Bye!
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OliverM (community.author)
Hi, Oh that's quite expensive, but only paying once for a good working rear window heater doesn't sound too bad. Thank you for your honest experience and advice! I think I'll do the same and take the plunge and visit the mechanic. Thanks again and have a nice day! Take care!
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MERCEDES
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SKLASSE
AndiKochRacer
Hi mate, it's very likely that your heater wires are faulty. I had the same problem with my 2004 E-Class Mercedes (gasoline, mileage 145000). The rear window heater spun for a while and the fault was stored, similar to what you describe. In my go to mechanic experience, it turned out that the heater wires were broken. It was quite a hassle because they had to replace the entire part. Aside from the stress, it was certainly no small job. The good news is that it's been working perfectly ever since. It wasn't a quick fix, but it was done once and then out of the way. Hope this helps you out! All the best!
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