thanks-sadly I tried to do this myself. It is the 13 pin euro pin. Everything still works but bugger me. This is a lot for a complete novice!!
Maybe this helps......not sure if its for your G-wagen
It helps if you have your correct model, year, type and mother's maiden name listed:sombrero:
13 Pin Trailer Connector X58
pin 13 > 2.5mm2 brown >ground
pin 8 > 0.75mm2 green/yellow > back-up lamp
pin 5 > 0.75mm2 gray/red > tail light right
pin 7 > 0.75mm2 gray/black > tail light left
pin 2 > 0.75mm2 yellow/black > rear fog light
pin 4 > 0.75mm2 black/green > blinker right
pin 1 > 0.75mm2 black white > blinker left
pin 6 > 0.5mm2 red/gray > brake light
pin 9 > 2.5mm2 red/yellow > +12V 20A fuse #63
pin 3 > 1.5mm2 brown > ground