Arrangement and assignment of Z connector sleeves (solder splices in wiring harness) - trunk (left) - GF00.19-P-3000-06D

MODEL 463 with ENGINE 112.945 

MODEL 463 with ENGINE 113.962 

MODEL 463 with ENGINE 606.964 

Fig 1: Arrangement And Assignment Of Z Connector Sleeves - Trunk (Left)

Courtesy of MERCEDES-BENZ USA

Z connector sleeve	Designation	Component	Designation	Conn. pin
Z36/1	Sensors (rear backup assist) ground connector sleeve	← X26/27	Rear bumper sensors connector	6
		→ A43b7	Rear bumper, outer right sensor	2
		→ A43b8	Rear bumper, inner right sensor	2
		→ A43b9	Rear bumper, inner left sensor	2
		→ A43b10	Rear bumper, outer left sensor	2
Z36/2	Sensors (rear backup assist) voltage supply connector sleeve	← X26/27	Rear bumper sensors connector	5
		→ A43b7	Rear bumper, outer right sensor	4
		→ A43b8	Rear bumper, inner right sensor	4
		→ A43b9	Rear bumper, inner left sensor	4
		→ A43b10	Rear bumper, outer left sensor	4