I went to take my girlfriend's late grandfather's 300SL for a run today, as it hadn't been started since his sudden death at the start of October. (See my earlier thread for the car's details). The battery had gone completely flat, which wasn't a big surprise. I charged the battery up, and got the car running, but the windows don't drop slightly when opening the doors, so the glass catches the roof, and you have to slam the doors to close them. Did early R129s have this feature? If so, how do I reset this, does anyone know? Incidentally, it was a lovely old thing to drive.