relay MERCEDES-BENZ SPRINTER 2020 MY20 Fuse Allocation Supplement

Note
sone lectrical fuses &
WARNING Risk of accident and inju ry
due toove rloaded lines
If yo um anipulat eorbridg eaf aulty fuse or if
yo ur eplace it wit hafuse wit hahigher
amperage, thee lectric line could be overloa‐
ded.
This could result in afire. #
Alwa ys replace faulty fuse swiths peci‐
fi ed ne wfuses containing thec orrect
amperage. *
NO
TEDama gedue toincor rect fuses Electrica
lcomponents or sy stems could be
damaged byincor rect fuses. #
Only use fuses whi chhave been
appr ovedbyM ercedes-Benza nd which
ha ve thec orrect fus erating. Th
ee lectrica lfus es in your vehicle switc hoff
defectiv ecircuits. If afuse blo ws,allth ec ompo‐
nent sont he circuit and their functions will cease
to operate.
Blown fuses mus tbereplaced wit hfuses of an
equivalent specification ,whic hyou can de ter‐
mine bythec olor and fuse rating .The fuse allo‐
cation charta nd fur ther information on thee lec‐
tric fuses and relays can be found in the" Fuse
allocation chart" supplement.
* NO
TEDama geor malfunction scaused by
moisture Moistur
emaycause dama getothee lectrical
sy stem or cause it tomalfunction. #
When thef use bo xisopen, mak esure
th at no moistur ecan enter thef use box. #
When closing thef use box, mak esure
th at thes eal of thel id is positioned cor‐
re ctly on thef use box. If
th en ew fuse whic hhas been inser teda lso
blo ws,have thec ause traced and rectified at a
qu alified specialis tworks hop.
Mak esureoft hefollowing befor ereplacing a
fuse:
R thev ehicle is secured suc hthat it does not
ro llaw ay
R all electrical consume rsares wit ched off
R thei gnition is switched off The fuses ar
elocated in various fuse bo xes:
R fuse bo xinthe front-passenge rfootwell
R fuse bo xinthe seat base of thed rive r's seat Fu
se/rela yassignment diagram 3

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

Fu
se bloc kF55/1 No
.C onsumer Fuse
ra t–
ing
1A dditional tur nsignal lam p10A
Ro ofventilator 15 A
2R ear windo wwiper,right 15 A
3A ll-wheeldrive control unit 30 A
4MATIC all-wheel driv econ‐
trol unit 30 A
4P arkingPacka ge 5A
Re ar vie wcamera
5D rive rs eat adjustment con‐
trol unit 25 A
Driver's seat heating control
unit
6D rive rlumbar suppor t10A
Co-driver lumbar support
7C o-driver seat adjustment
contro lunit 25 A
Co-driver seat heatin gcontrol
unit (double jum pseat)
8T irep ressur emonitor control
unit 5A
Motion de tector and tire
pressur emonitor control unit
9T erminal 30, term inal stripf or
body manufacturer's electri‐
cal connection 25 AFu
se bloc kF55/2 No
.C onsumer Fuse
ra t–
ing
10 Trailer coupling control unit,
ri ght 25 A
11 Trailer coupling control unit
(soc ket) 15 A
12 Trailer coupling control unit,
left 25 A No
.C onsumer Fuse
ra t–
ing
13 Trailer coupling control unit
(chargin gcable) 15 A
14 Parame terizable specia lmod‐
ul ec ontrol unit 25 A
15 Parame terizable specia lmod‐
ul ec ontrol unit 25 A
16 Rear blo wer2 5A
17 Hot-water auxiliar yheater2 0A
18 Term inal 30T fort erminal 15
re lay 5A Fu
se bloc kF55/3 No
.C onsumer Fuse
ra t–
ing
19 Rear wind owheater ,lef t1 5A
Ad ditional car avanin gunit
(PWM 1) 30 A
20 Rear wind owheater ,right 15 A
Ad ditional car avanin gunit
(PWM 2) 30 A
21 Rear wind owheater relay3 0A
Ad ditional car avanin gunit
control unit 5A
22 Trailer brak eboos ter3 0A
23 Cargo liftgate/du mpervehi‐
cle (pre-ins tallation) 7.
5A
Ro ofventilator 5A
24 Term inal stripf or elect rical
connection (bod ymanufac‐
turer) 15 A
25 Rear vie wcamer afor inside
re arvie wmirro r/rear view
camer apre-ins tallation 5A
Re ar vie wcamer adispla y,
inside rearvie wmirror
26 Auxilia rywa rm-airh eater1 5A Fu
se/rela yassignment diagram 9

No
.C onsumer Fuse
ra t–
ing
Te rm inal 30 relaytot erminal
15 auxiliar ybattery
27 Auxilia rybatter yvoltage
measurement 5AFu
se bloc kF55/4 No
.C onsumer Fuse
ra t–
ing
28 Sliding doo r,lef t1 5A
Electric sliding door ,lef t3 0A
29 Sliding door ,right 15 A
Electric sliding door ,right 30 A
30 Antenna switc hbox 5A
31 Automatic transmission 7.5A
32 Automatic transmission 10 A
33 On-Boar dLogistic Uni t3 0A
34 Pre-ins tallation fors iren sys‐
tem 15 A
Pre-ins tallation forc amper
van 30 A
35 Rotating beaco nwiths iren 15 A
Pre-ins tallation forc amper
van 30 A
36 Pre-ins tallation forc amper
van 30 AFu
se bloc kF55/5 No
.C onsumer Fuse
ra t–
ing
37 Electrica lstep, lef t1 0A
38 Electrical step, right 10 A
39 Warning buzzer ,elect rical
st ep, left/right 5A
40 Automatic transmission 10 A No
.C onsumer Fuse
ra t–
ing
41 Air spring 5A
42 Retard er 5A
43 Soc ket, cab 15 A
44 Socket, D-pillar ,lef t1 5A
45 Soc ket, D-pillar ,right 15 A Fu
se bloc kF55/6 No
.C onsumer Fuse
ra t–
ing
51 USBcharge soc ket, side wall,
front left 7.
5A
USB charge soc ket, side wall,
front lef t(wit hs liding door,
left) 5A
52 USB charge soc ket, side wall,
front right 7.
5A
USB charge soc ket, side wall,
front right (wit hsliding door,
ri ght) 5A
53 USB charge soc ket, side wall,
front lef t(bus) 7.
5A
USB charge soc ket, side wall,
front lef t(Pa ssen gerV an) 5A
54 USBcharge soc ket, side wall,
front right (bus) 7.
5A
USB charge soc ket, side wall,
front right (Passenger Van) 5A 10
Fuse/rela yassignment diagram

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

K100
relayc arrier No
.D esignation
Supplementar yrela y,bottom
1W indshield heater
2T erminal15
3R ear windowheater
4S ockets, rear
5F ree
6F ree
7F ree
Supplementar yrela y,top
8F ree
9F ree
10 Free
11 Free
12 Free
13 Free
14 Free
Mini-relay
15 Rear wind owwiper ,right No
.D esignation
16 Term inal stripb ody manufacturer
17 Switch,reve rsew arning device
18 Roofventilator
Interio rlighting
19 Auxilia ryoil pump
20 Electri calstep, right 1
21 Electricalstep, right 2
22 Electri calstep, lef t1
23 Elect rical step, lef t2
24 Siren
25 Rotating beaco nwiths iren
26 Cargo liftgate Term inal 15on auxiliar ybattery
Au xiliar ybatter yrelay
Au xilia rybattery Fu
se/rela yassignment diagram 13

E
Electrical fuses see Fuses F
Fu ses ......................................................... 3
Befor ereplacing ................................... 3
No tes. ...................................................3
Fu ses on theo utside of thed rive r's
seat base
Fuse assignment ..................................8
Fu ses/rela ysintheb ase of th edriv‐
er' ss eat and in theb attery box
Fu se assignment ................................. 11
K100 relayc arrier ...............................13
Fu ses/rela ysinthef ront-passenger
fo ot we ll
Fu se allocation .....................................4
Re laya ssignmen t................................. 7 14
Index