2015 MERCEDES-BENZ SPRINTER auxiliary battery

No. Consumer Fuse
rating 8 Anti-theft alarm system
(ATA)/beacon/beacon
with siren 15 A
9 Additional turn signal
module 10 A
Fuse block F55/2
No. Consumer Fuse
rating 10 Radio 1 DIN
Radio 2 DIN 15 A
20 A
11 Mobile phone/tacho-
graph/additional
recorder
4
/navigation
cradle 6 7.5 A
12 Front blower/auxiliary
heating blower setting 1 30 A
13 Auxiliary heating system
digital timer/radio
receiver/DIN slot basic
wiring/FleetBoard/anti-
theft protection with
vehicle tracking 7.5 A
14 Seat heating 30 A
15 Brake system control
unit 5 A
16 Heating, rear compart-
ment heating/ front-
compartment air condi-
tioning 10 A
17 Convenience lighting 10 A
Motion detector 7.5 A No. Consumer Fuse
rating Reading and cargo com-
partment lamp (courier
vehicles) 10 A
Cargo compartment
lighting 7.5 A
18 Rear-compartment air-
conditioning system 7.5 A
Pre-fuse box in the battery compartment in the
footwell on the left-hand side of the vehicle F59
No. Consumer Fuse
rating 1 Preglow relay 80 A
Secondary air pump for
vehicles with a gasoline
engine 40 A
2 Air-conditioning system
cooling fan – cab without
partition and without
rear-compartment air-
conditioning system 60 A
Air-conditioning system
cooling fan – cab with
partition and reinforced
without rear-compart-
ment air-conditioning
system 40 A
4
Latin America only.
6 Vehicles with code XM0. 6
Fuses and relays

No. Consumer Fuse
rating Air-conditioning system
cooling fan – cab/
Electrical suction fan 40 A
Starter relay, terminal
15
6 25 A
Starter relay unsuppor-
ted
6 25 A
3 SAM (signal acquisition
and actuation
module)/SRB (fuse and
relay module) 80 A
4 Auxiliary battery/
retarder 150 A
Rear-compartment air-
conditioning system 80 A
5 Terminal 30 pre-fuse
boxes, SAM (signal
acquisition and actua-
tion module)/SRB (fuse
and relay module) 150 A
Terminal 30 electrical
heater booster (PTC)
input
6 Bridge
6 Connection point on the
base of the seat Bridge
Pre-fuse box in the base
of the seat
6 Bridge
7 Rear-compartment air-
conditioning system 80 A
Electrical heater booster
PTC 150 A Pre-fuse box at the base of the driver's seat (only
for auxiliary battery) F59/7
No. Consumer Fuse
rating
1 Unassigned
2 SAM (signal acquisition
and actuation
module)/SRB (fuse and
relay module) 80 A
3 Unassigned
4 Auxiliary battery input 150 A
5 Connection point on the
base of the seat
Pre-fuse box at the base
of the seat Bridge
6 SAM (signal acquisition
and actuation
module)/SRB (fuse and
relay module), terminal
30 fuse box 150 A
7 Additional battery input
Connection for socket
fuse on vehicles with
additional battery Bridge
8 Retarder in combination
with battery cutoff relay 100 A
6
Vehicles with code XM0. Fuses and relays
7 Z

No. Consumer Fuse
rating
9 Additional battery 150 A
10 Snowplow hydraulic
pump
Loading tailgate
Tipper 250 A
Pre-fuse box at the base of the driver's seat (only
for auxiliary battery) F59/8
No. Consumer Fuse
rating
11 Terminal 30 starter bat-
tery input Bridge
12 Unassigned
13 Electrical heater booster
(PTC) 150 A
Rear-compartment air-
conditioning system 80 A
14 Air-conditioning system
cooling fan – cab without
partition and without
rear-compartment air-
conditioning system 60 A
Air-conditioning system
cooling fan – cab with
partition and reinforced
without rear-compart-
ment air-conditioning
system 40 A No. Consumer Fuse
rating
Air-conditioning system
cooling fan – cab open
vehicle model designa-
tion 40 A
Electrical suction fan 70 A
15 Unassigned
16 Retarder not in combina-
tion with battery cutoff
relay 100 A
Battery cutoff relay 150 A
17 Unassigned
18 Alternator 300 A8
Fuses and relays

Fuse block F55/6
No. Consumer Fuse
rating 28 SRB starter relay (fuse
and relay module)
3, 6
Starter for electrical sup- ply support using the
additional battery 25 A
29 Terminal 87 (7), gas sys-
tem, vehicles with a nat-
ural gas engine (NGT)
2 7.5 A
SCR
8
control unit, vehi-
cles with exhaust gas
aftertreatment 3 10 A
Terminal 30, all-wheel
drive, control unit 30 A
30 Auxiliary heat exchanger
fan 15 A
Brake booster
3 30 A
31 Rear compartment heat-
ing blower 30 A
Sliding door closing
assistance, left 15 A
Electric sliding door, left 30 A
32
SCR
8
relay supply, vehi-
cles with exhaust gas
aftertreatment 5 A
KEYLESS ENTRY 10 A
33 Electric sliding door,
right 30 A
Sliding door closing
assistance, right 15 A No. Consumer Fuse
rating ENR (level control) con-
trol unit 30 A
Compressor air suspen-
sion 30 A
34
SCR
8
heater 3 DEF (Die-
sel Exhaust Fluid) supply reservoir, vehicles with
exhaust gas aftertreat-
ment, 6 cyl. diesel 9, 3 15 A
SCR
8
heater 1 DEF ®
,
vehicles with exhaust
gas aftertreatment die-
sel 10 20 A
35
SCR
8
heater 2 hose,
vehicles with exhaust
gas aftertreatment, 6
cyl. diesel 9, 3 15 A
SCR
8
heater 2 DEF, vehi-
cles with exhaust gas
aftertreatment diesel 10 25 A
36
SCR
8
heater 1 delivery
pump, vehicles with
exhaust gas aftertreat-
ment, 6 cyl. diesel 9, 3 10 A
SCR
8
heater control 3
DEF, vehicles with
exhaust gas aftertreat-
ment diesel 10 15 A
3
NAFTA
6 Vehicles with code XM0.
2 Natural Gas Technology.
8 Selective Catalytic Reduction.
9 Vehicles with code MH3.
10 Not for vehicles with code MH3. Fuses and relays
13 Z

Fuse block F55/7
No. Consumer Fuse
rating 37 COLLISION PREVEN-
TION ASSIST/FCW
(Forward Collision Warn-
ing) 5 A
Blind Spot Assist/BSM
(Blind Spot Monitor) 5 A
38 Multifunction camera
with Highbeam Assist 10 A
With a warning when
leaving a lane 10 A
39 Body electrics (courier
vehicles) 7.5 A
Rear-compartment air-
conditioning system 7.5 A
Roof ventilator 15 A
Siren 15 A
40 Auxiliary battery charge
current
11 15 A
41 SAM (signal acquisition
and actuation module)
auxiliary battery refer-
ence voltage
11 7.5 A
42 Rear-compartment air-
conditioning system 30 A
43 Electrical step/sliding
door, right 10 A
44 Electrical step/sliding
door, left 10 A
45 Electrical step, control
system and warning buz-
zer 5 A Fuses in the seat base of the left front
seat
There are additional fuses in the seat base, for
example:
R for the rear-compartment air conditioning
R for the windshield heating
R for other vehicle components, such as
power steering pumps, auxiliary batteries,
battery cutoff relays and PTC heater boos-
ters
R from the body manufacturers for retarders,
loading tailgates, hydraulic pump and tip-
pers
Always have the fuses in the seat base
replaced at a qualified specialist workshop.
11 Vehicles with auxiliary battery. 14
Fuses and relays

No. Relays Description
K51/17 Snow plow relay, high-beam headlamps, left
R13 K41/3 Load relief relay, terminal 15 (2)
K51/18 Snow plow relay, high-beam headlamps, right
R14 K13/7 Windshield heating relay 1
R15 K88 Body manufacturer relay, terminal 15
R16 K88/1 Body manufacturer relay, terminal 61 (D+)
R17 K95
K93 Loading tailgate basic wiring relay
Comfort illumination relay
R18 K2 Headlamp cleaning system relay
R19 K51/10 Beacon with siren relay
R20 K39/3 ATA (anti-theft alarm system) relay, horn
R21 K108
K116
K23/2
Perimeter/identification lighting relay
3
License plate lamp relay (courier vehicles)
Blower relay, hot-air auxiliary heating, blower setting
1 R22 K23/3 Blower relay, hot-air auxiliary heating, blower setting
2 R23 K39/1 Siren relay
K124/1 Terminal 61 (D+) relay, anti-theft protection with
vehicle tracking R24 K117/1 Electrical step relay 1, right
R25 K117/2 Electrical step relay 2, right
R26 K121 Reverse warning device off relay
K124 Anti-theft protection with vehicle tracking relay
Other relays
No. Relays Description
— K57 Battery cutoff relay, left-hand-drive vehicle
— K57/4 Battery cutoff relay, right-hand-drive vehicle
— K9 Air-conditioning system relay, auxiliary fan (duo)
3
NAFTA 16
Fuses and relays

No. Relays Description
— K9/2 Air-conditioning system relay, auxiliary fan (mono)
— K9/5 Rear-compartment air conditioning relay, auxiliary
fan
— K120
Auxiliary battery relay
1111
Vehicles with auxiliary battery. Fuses and relays
17 Z