Fuse assignment of front prefuse box - GF54.15-P-1256-07RB

Assignment of fuses in front prefuse box 

Fig 1: Identifying Fuses And Front Pre-Fuse Box

Courtesy of MERCEDES-BENZ USA

Multiple designations are available for fuses for model series 230.4.

Fuse	Terminal	Cable ID (fused line)	Fused function	Rating in amperes (A)
f1	30	RD 10.0	Valid for engines 112, 113:  Engine and AC electric suction fan with integrated control (M4/7)	100
		RD 12.0	Valid for engine 275, SL55AMG, SL65AMG:  Engine and AC electric suction fan with integrated control (M4/7)	100
f2	30	RD 16.0	Valid for left-hand drive vehicles:  Passenger-side fuse and relay module (K40/4) Valid for right-hand drive vehicles:  Driver-side fuse and relay module (K40/2)	200
f3	30	RD 16.0	Valid for left-hand drive vehicles:  Driver-side fuse and relay module (K40/2) Valid for right-hand drive vehicles:  Passenger-side fuse and relay module (K40/4)	200
f4	30	RD 4.0	EIS [EZS] control unit (N73)	80
f5	30	RDGN 4.0	SBC hydraulic unit (A7/3)	40
f6	30	-	Not used due to cable duct	-
f7	30	RDGN 4.0	Heating systems recirculation unit (A32)	40