Page 6 of 20

Fu
ses/rela ysinthef ront-passenger foot we ll Fu
se assignment No
.C onsumer Fuse
ra t–
ing
MF1
15 -2 Engine control uni t5A
15 -2 Common Powe rtra in Module
(CPC) 5A
15 -2
ESP®
control unit 5A
15 -2 All-wheel driv econtrol uni t5A
15 -2 Onboard Logistic Unit con‐
trol unit 5A
15 -2 Term inal 15,special signal,
cockpit body manufacturer 5A
MF2
15 -1 Feedbac kcable, term inal 15
re lay 5A
15 -1 Headlamp rang ea djustment,
halo genh eadlamps 5A
15 -1 Tach ograph TCO5 A
15 -1 ActiveB rake Assi stradar
sensor 5A No
.C onsumer Fuse
ra t–
ing
15 -1 Deactivation of reve rse
wa rning device ,powe rtake-
off, working speed control 5A
15 -1 DIN slo tconnection 5A
MF3
30- TM ultifunction camera 7.5A
30- TU nassigned
30- TD IN slotconnection, roof 7.5A
30- TT erminal 30T ,special signal,
cockpit body manufacturer 7.
5A
30- TI nstrument clu ster 7.5A
30- TD IN slot, cockpit 7.5A
S9
1U nassigned
2C ommonPowe rtra in Module
(CPC) 10 A
3E ngine control uni tOM642/
OM651/M2 74 10 A 4
Fuse/rela yassignment diagram
Page 8 of 20

No
.C onsumer Fuse
ra t–
ing
S17
32 Unassigned
S18
33 Voltag edip limiter (SEB) 5A
S19
34 Electrics forb ody interior
lighting 10 A
S1
35 Ventilation bl owerregulator 30 A
S2
36 Air conditioning cont rol
panel 5A
37 ElectricSteering Wheel
Locking (ESTL) 5A
38 Steering Column Switch
Module (SCSM) 10 A
39 Digital signa lprocesso rpre-
ins tallation 10 A
40 Rotating beaco n5 A
41 Radio multimedia sy stem/
ra dio pre-ins tallation 25 A
S3
42 Unassigned
S4
43 Unassigned
S5
44 Multimedia sy stem cont rol
panel 5A
45 Mobile phone cradle (WMI) 5A
46 Multimedia connection unit (MMI) 7.
5A
47 Hermes (LTE communication
module) 5A
48 Teles tart stationar yheating 5A No
.C onsumer Fuse
ra t–
ing
49 Central displ ay5A
S6
50 Additional headlamp, left
(platfor mbody manufac‐
turer) 5A
51 Additional headlamp, right
(platfor mbody manufac‐
turer) 5A
Switc hclockfor thea uxiliary
heating air ,terminal 15relay 5A
52 Cont rolu nit ,airbag 7.5A
53 Diagno stics 5A
54 Relays uppl y5 A
55 Engine connection point (diesel), engine control unit
(OM651/OM642/M2 74 )7.
5A
S7
56 Engine control unit (OM654) 15 A
57 Sootparticulat esensor ,NO
X
sensor (OM654) 15 A
Soo tparticulat esensor 10 A
58 Engine, exhaus tgas recircu‐
lation (EGR) (OM 642/
OM651) 10 A
Engine (M 274/OM654) 15 A
59 NO Xsensor before/af
ter
catalytic con verter 10 A
60 Lambda sensor 7.5A
Coolant pump (OM654) 15 A
61 Engine (M 274/OM651) 10 A
Engine (OM 642) 7.5A
Engine (OM654) 5A
H2
62 Engine (M2 74)1 5A 6
Fuse/rela yassignment diagram
Page 13 of 20

Fu
ses/rela ysintheb ase of thed rive r's seat
and in th ebattery box Fu
se assignment Ad
ditional fuses and relays etc. ar eloca tedint he
seat base of thed rive r's seat:
R fort he windshield heater
R foro ther vehicle components,s uchasp ower-
st eering pumps, auxiliar ybatter y,batter ycut‐
of fr ela ysand PT Cheater boos ters
R from theb ody manufacturer sfor retard ers,
cargo liftgate, hydraulic pum pand dumper
ve hicle %
Alw
aysh ave thef uses and relays inthes eat
base replaced at aqualified specialis twork‐
shop. Fu
se bloc kF150/1 (MFB-1) in theb attery box No
.C onsumer Fuse
ra t–
ing
1B atterysensor
2U nassigned MIDI
3M ain fuse bo x(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 bloc kF150/4 (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
5A
2E lectrics teering 125A
3A lternator 300 A
Alternator 400 A
4U nassigned
5P ower Distribution Center
(PDC), FB-P 17
5A
6G lowo utput stag e( GZE) 80 A Fu
se/rela yassignment diagram 11