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

Model 217, 222 

as of Model year 2018 

View from below 

Fig 1: Pre-Fuse Box In Engine Compartment - Model 222 As Of Model Year 2018 (View From Below)
G15299360Courtesy of MERCEDES-BENZ USA
Connection Fuse Identification Circuit Line ID (line fused) Fused function Rating in amperes (A)
M3 Electrical fuse 1 (F32/3f1) 30t 85.0 RD Except Model 222.173 and except Model 222 with engine 256: 
Alternator (G2)
500
MR5 Electrical fuse 3 (F32/3f3) 30t 12.0 RD Electrical power steering control unit (N68) 100
MR2 Electrical fuse 4 (F32/3f4) 30t 12.0 RD Engine 176, 256, 276, 279, 656: 
Fan motor (M4/7)
100
M4 Electrical fuse 5 (F32/3f5) 30t 6.0 RD Transmission 725: 
Fully integrated transmission control controller unit (Y3/8)
100
I1 Electrical fuse 6 (F32/3f6) 30t - Spare -
M2 Electrical fuse 7 (F32/3f7) 30 unlatched 10.0 RD Engine 656: 
Glow output stage (N14/3)
150
MR1 Electrical fuse 8 (F32/3f8) 30 unlatched 6.0 RD Motor fuse and relay module (K40/8) 60
MR3 Electrical fuse 9 (F32/3f9) 30t - Spare -
MR4 Electrical fuse 10 (F32/3f10) 30t 16.0 RD Engine 177: 
Fan motor (M4/7)
150
I2 Electrical fuse 11 (F32/3f11) 30t - Spare -
I3 Electrical fuse 12 (F32/3f12) 30t 16.0 RD Motor fuse and relay module (K40/8) 150

View from above 

Fig 2: Pre-Fuse Box In Engine Compartment - Model 222 As Of Model Year 2018 (View From Above)
G15299361Courtesy of MERCEDES-BENZ USA
Connection Fuse Identification Circuit Line ID (line fused) Fused function Rating in amperes (A)
M3 Electrical fuse 1 (F32/3f1) 30t 85.0 RD Except Model 222.173 and except Model 222 with engine 256: 
Alternator (G2)
500
MR5 Electrical fuse 3 (F32/3f3) 30t 12.0 RD Electrical power steering control unit (N68) 100
MR2 Electrical fuse 4 (F32/3f4) 30t 12.0 RD Engine 176, 256, 276, 279, 656: 
Fan motor (M4/7)
100
M4 Electrical fuse 5 (F32/3f5) 30t 6.0 RD Transmission 725: 
Fully integrated transmission control controller unit (Y3/8)
100
I1 Electrical fuse 6 (F32/3f6) 30t - Spare -
M2 Electrical fuse 7 (F32/3f7) 30 unlatched 10.0 RD Engine 656: 
Glow output stage (N14/3)
150
MR1 Electrical fuse 8 (F32/3f8) 30 unlatched 6.0 RD Motor fuse and relay module (K40/8) 60
MR3 Electrical fuse 9 (F32/3f9) 30t - Spare -
MR4 Electrical fuse 10 (F32/3f10) 30t 16.0 RD Engine 177: 
Fan motor (M4/7)
150
I2 Electrical fuse 11 (F32/3f11) 30t - Spare -
I3 Electrical fuse 12 (F32/3f12) 30t 16.0 RD Motor fuse and relay module (K40/8) 150