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This is a 2014 E63S. I recently had my front bumper off and when I re-assembled everything, I am getting active blind assist, active lane assist and pre-safe errors. As well, my distronic cruise does not work. I removed the bumper and doubled checked all the electrical fittings and everything appears fine. I've had my bumper on and off before and never encountered these problems. I have a generic OBDII scanner and no codes are shown (although I understand one needs a mercedes specific scanner to read these systems). I tried a battery disconnect with no success. I don't have a load tester, but the aux battery when isolated produces 12.9 volts. Any ideas what could be wrong? Thanks in advance.
Thanks guys. I'll check this out. I'm just a bit skeptical that this is the issue given that it worked fine right before I removed and re-installed the front bumper and quit working right after. I was wondering if the front radar sensors have anything to do with it (they looked to be in good condition and when I took off the bumper the second time, I cleaned them and check the connectors). As well, I should note that it has been dry here all the time (i.e. before and after the problem).
Thanks. I'm guessing that it is something like this. I think I'll just bite the bullet and take it to the dealer.
From what i have heard, might be wrong tho, there is a special way to do alignment on cars who rely on cameras and sensors when self driving is enabled
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