Fuse assignment of battery compartment prefuse box - GF54.15-P-1256-15GZ

The battery compartment prefuse box is located next to the power supply battery below the front passenger seat.

Fig 1: Identifying Battery Compartment Pre-Fuse Box And Fuses

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fuse	Clamping device	Cable ID (cable fused)	Fused function	Rating in amperes (A)
f78	30		PTC heater booster (R22/3)	150
f79	30	6, 0 RD	Rear SAM control unit (N10/8) 60
f80	30	6, 0 RD	Rear SAM control unit 60
f81	-	-	-	-
f82	30	10, 0 RD	Load compartment fuse and relay box (F4)	150
f83	30	0.5 RD	WSS (Weight Sensing System) control unit (N2/13)	5
f84	30	0.75RDBK	Restraint systems control unit (N2/7/)	10
f85	30	2.5 RDVT	Intelligent servo module for DIRECT SELECT (A80)	30
f86	30	4.0 RDBK	Cockpit fuse box (F3) 30
f87	30	2, 5 RDWH	Valid for code 430 Offroad package:	30
			Transfer case control unit (N15/7)
f88	30	6, 0 RD	Front SAM control unit (N10)	70
f89	30	6, 0 RD	Front SAM ECU 70
f90	30	6, 0 RD	Front SAM ECU 70
f91	30	4, 0 RD	Blower regulator (A32n1)	40