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

Model 253 (except 253.99) 

as of model year 2020 

Side view, viewed from top 

Fig 1: Engine Compartment Pre-Fuse Box - Model 253 (Except 253.99) As Of Model Year 2020
G12937991Courtesy 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 RDBU 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 BK Voltage dip limiter (R62) -
5 Electrical fuse 5 (F32/3f5) 30t 16.0 RD Engine fuse and relay module (K40/8) 150
6 Electrical fuse 6 (F32/3f6) 30t 16.0 RD Driver-side fuse and relay module (K40/6) 150
7 Electrical fuse 7 (F32/3f7) 30t 10.0 RD Fan motor 600 W: 
Fan motor (M4/7)
80
      16.0 RD Fan motor 850 W: 
Fan motor (M4/7)
 
      16.0 RD Engine 654 with code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): 
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 BK Engine 654, 656: 
Glow output stage (N14/2)
100
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 RD With code B01 (48V technology): 
DC/DC converter control unit (N83/1)
400
        With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): 
Power electronics control unit (N129/1)
 
C1 - 30 - Battery disconnect switch relay (K57/4) -
    30t   Battery disconnect switch relay (K57/4) -