Note
s on fuses &
WARNING Risk of accident and inju ry
due toove rloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alwaysre place faulty fuses with speci‐
fi ed new fuses containing the cor rect
amperage. *
NO
TEDama geor malfunctions caused by
moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor‐
re ctly on the fuse box. Yo
u can find fur ther information on fuses in the
ve hicle Operating Instructions. Fu
ses/rela ysinthe front-passenger foot we ll Fu
se assignment No
.C onsumer Fuse
ra t–
ing
MF1
15 -1 Engine control uni t5A
15 -1 Common Powe rtra in Module
(CPC) 5 A
15 -1
ESP®
control unit 5 A
15 -1 All-wheel drive control uni t5A
15 -1 Retard er 5 A No
.C onsumer Fuse
ra t–
ing
15 -1 Air suspensio n5 A
MF2
15 -2 Feedback cable, term inal 15
re lay 5 A
15 -2 Headlamp range control, hal‐
ogen headlamp 5 A
15 -2 Tach ograph TCO5 A Fu
se/relay assignment diagram 3
No
.C onsumer Fuse
ra t–
ing
35 Rotating beacon wi thsiren
Pre-ins tallation for camper
van 15 A
30 A
36 Pre-ins tallation for camper
van 30 AFu
se block F55/5 No
.C onsumer Fuse
ra t–
ing
37 Electrical step, lef t1 0 A
38 Electrical step, right 10 A
39 Warning buzzer, elect rical
st ep, left/right 5 A
40 Automatic transmission
(N AT 2) 10 A
41 Term inal 15, special signal,
cockpit body manufacturer 5 A
42 Rear view camera (R VC)
Inside rearview mir ror (rear
view camera display) 5 A
43 Soc ket, cab 15 A No
.C onsumer Fuse
ra t–
ing
44 Socket, D-pillar, le ft 15 A
45 Soc ket, D-pillar, right 15 A Fu
se block F55/6 No
.C onsumer Fuse
ra t–
ing
51 USB port, wiper, front lef t7.5 A
USB port, wiper, front le ft
(with sliding door, left) 5 A
52 USB port, wiper, front right 7.5 A
USB port, wiper, front right
(with sliding door, right) 5 A Fu
ses/rela ysinthe base of the driver's seat
and in the bat tery box Fu
se assignment Ad
ditional fuses/rela ysare located in the seat
base of the driver's seat:
R forth e windshield heater
R forot her vehicle components, such as po wer-
st eering pumps, auxiliary batter y,battery cut‐
off relays and PTC heater boos ters Fu
se/relay assignment diagram 9
R
from the body manufacturers forre tard ers,
cargo liftgate, hydraulic pump and dumper
ve hicle %
Alw
ays ha vethe fuses/rela ysinthe seat
base replaced at a qualified specialist work‐
shop. Fu
se block F150/1 (MFB-1) in the bat tery box No
.C onsumer Fuse
ra t–
ing
1B attery sensor
2U nassigned MIDI
3M ain fuse box (MFB-2) Busbar
4P ower Distribution Center
te rm inal 30 (F30-1 - F30-6) 50 A
5P TCheater boos ter1 25 A Fu
se block F150/4 (MFB-2) No
.C onsumer Fuse
ra t–
ing
1T erminal 30T, fuse box, seat
base of driver's seat (F55/1 -
F55/6) 12
5 A
2E lectric st eering 125 A
3A lternator 300 A
Alternator 400 A
4E xternal po wer supply No
.C onsumer Fuse
ra t–
ing
5P ower Distribution Center
(PDC), FB-P 17
5 A
6G low output stage (GZE) 80 A
7R adiatorfan (not for OM654) 40 A
Engine radiator fan7 0 A
Ra diator fan (not for OM654) 80 A
8C ampervan main fuses 100 A
9U nassigned
10 Air-conditioning sy stem, rear
compartment 10
0 A
Air-conditioning sy stem, rear
compartment 50 A
Air-conditioning sy stem, rear
compartment 25 A
11 Auxilia rybattery/battery cut‐
off relay 15
0 A
Re tard er without auxiliary
battery 10
0 A 10
Fuse/relay assignment diagram
