Fuse Assignment Of Pre-Fuse Box In Engine Compartment - GF54.15-P-1256-25FR

Model 257, 290 

Side view, viewed from top 

Fig 1: Engine Compartment Pre-Fuse Box - Model 257

Courtesy of MERCEDES-BENZ USA

Connection	Fuse Identification	Circuit	Wire Identification	Fused component	Fuse rating (A)
1	Electrical fuse 1 (F32/3f1)	30t	6.0 RD	Electronic Stability Program control unit (N30/4)	60
2	Electrical fuse 2 (F32/3f2)	30t	4.0 RDBK	Electronic Stability Program control unit (N30/4)	40
3	Electrical fuse 3 (F32/3f3)	30	4.0 RD	Passenger-side A-pillar fuse box (F1/3)	30
4	-	30	35.0 RD	With code B01 (48V technology):  Connection, on-board electrical system battery circuit 30 (G1)	-
			35.0 BK	Except code B01 (48V technology):  Connection, voltage dip limiter circuit 30 (R62)
5	Electrical fuse 5 (F32/3f5)	30t	16.0 RD	With code 489 (AIR BODY CONTROL):  Engine fuse and relay module (K40/8)	150
			10.0 RDWH	Except code 489 (AIR BODY CONTROL):  Engine fuse and relay module (K40/8)	80
6	Electrical fuse 6 (F32/3f6)	30t	16.0 RD or 16.0 RDWH	Driver-side fuse and relay module (K40/6)	150
7	Electrical fuse 7 (F32/3f7)	30t	10.0 RDWH or 12.0 RD	Model 257:  Fan motor (M4/7)	80
			16.0 RD	Model 290: Fan motor (M4/7)	150
8	Electrical fuse 8 (F32/3f8)	30t	12.0 RD	Electrical power steering control unit (N68)	100
9	Electrical fuse 9 (F32/3f9)	30t	10.0 RD or 10.0 BK	Model 257 with engine 654, 656:  Glow output stage (N14/2)	100
			6.0 RD	Engine 264 except model 257 with code M006 (Output variant):  Electric coolant pump (M75/11)	60
10	Electrical fuse 10 (F32/3f10)	30t	35.0 BK	Vehicle interior prefuse box (F32/4)	300
11	Electrical fuse 11 (F32/3f11)	-	-	Spare	-
12	Electrical fuse 12 (F32/3f12)	-	-	Spare	-
13	Electrical fuse 13 (F32/3f13)	30t	50.0 BK	With code B01 (48V technology):  DC/DC converter control unit (N83/1)	400
			50.0 RD	Except code B01 (48V technology):  Alternator (G2)
C1	-	-	-	Battery disconnect switch relay connection (K57/4)	-