Good evening to all of you, I have now also signed up here in the forum, because the W140 forum is unfortunately not working yet. I was last week with my 400er (Bj. 91) at the TÜV, which failed my 140er, because the light range regulation does not work. Everything in the top condition, the examiner has found nothing further, but does not push me a new badge and everything just because I can not put my light down….because with the good car I transport no field stones 🙂 (. Since I must have been there again in 4 weeks, I wanted to ask if someone knows what could be broken. I would like to fix this myself if it is possible. So far everything is fine, fuses good, plug connections on the headlights also and the ZV pump also works. Does that actually have something to do with it? Is there an extra pump for this? Or can even the servo closure pump have something to do with it? Because I have removed these at the moment for repair (engine through I would be very happy if someone could help me further so that I can get through the TÜV as soon as possible. Thank you already in advance Many greetings from the Lüneburg Heath Alexander