Page 7 of 18

No. Consumer Fuse
rating 15 Headlamp range
control/front-
compartment heating 5 A
16 Terminal 87 (3) 10 A
17 Air bag control unit 10 A
18 Terminal 15 vehicle/
brake light switch 7.5 A
19 Interio
rlighting 7.5 A
20 Co-driver's door power
window switch/terminal
30/2 SAM (signal
acquisition and
actuation module) 25 A
21 Engine control unit 5 A
22 Brake system (ABS) 5 A
23 Terminal 87 (6), starter 10 A
24 Diesel engine, engine
components/control
unit, vehicles with a
natural gas engine NGT
1 10 A
25 12 V socket in the center
console 25 A
Fuse block F55/1
No. Consumer Fuse
rating 1 Driver's door control unit 25 A
2 Diagnostics connection 10 A
3 Brake system (valves) 25 A
4 Brake system (delivery
pump) 40 A
5 Terminal 87 (2a), engine 10 A
6 Terminal 87 (1a), engine 10 A No. Consumer Fuse
rating 7 Headlamp cleaning
system 30 A
8 Anti-theft alarm system
(ATA)/beacon/beacon
with siren 15 A
9 Additional tur
nsignal
module 10 A
Fuse block F55/2
No. Consumer Fuse
rating 10 Radio
Radio NTG 2.5 15 A
20 A
11 Mobile phone/
tachograph/additional
recorder 7.5 A
12 Blower, front/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
compartment heating/
air conditioning, front/
CD changer 10 A
17 Motion detector 7.5 A
1
Natural Gas Technology. Fuses supplement
5 Z
Page 10 of 18
Configuration
Fuses
Fuse block F55/3
No. Consumer Fuse
rating 1 Mirror setting/rear
window defroster 5 A
2 Rear window wiper 30 A
3 Auxiliary heating, digital
timer/rear view
camera/neutral gate
switch, starting-off aid
and all-wheel drive/
engine run-on/DIN slot
basic wiring (roof)/
FleetBoard/anti-theft
protection with vehicle
tracking/emergency
hammer lighting in
passenger compartment 5 A
4 Tachograph/ADR
working speed
governor/power take-
off/AAG (trailer control
unit) 7.5 A No. Consumer Fuse
rating 5 ECO Start/control unit
EGS (electronic gearbox
control) 5 A
10 A 6 All-wheel drive control
unit 5 A
7 ESM (electronic selector
module) 10 A
8 Loading tailgate/tipper
vehicle 10 A
9 Passenger-
compartment air
conditioning,
compresso
rclutch 7.5 A8
Fuses supplement
Page 11 of 18

Fuse block F55/4
No. Consumer Fuse
rating 10 Terminal 30, body/
equipment
manufacturer 25 A
11 Terminal 15, body/
equipment
manufacturer 15 A
12 D+, body/equipment
manufacturer 10 A
13 Fuel pump (FSCM)
Fuel pump relay 20 A
15 A
14 Trailer power socket 20 A
15 Trailer recognitio
nunit 25 A
16 Tire pressure monitor/
PARKTRONIC 7.5 A
17 PSM control unit 25 A
18 PSM control unit 25 A
Fuse block F55/5
No. Consumer Fuse
rating 19 Overhead control panel
withou
tATA and without
rain sensor 5 A
Overhead control panel
with ATA 25 A
Overhead control panel
with rain sensor 25 A
20 License plate lamp
(courier vehicles)/
perimeter lamp/
entrance lighting (bus) 7.5 A No. Consumer Fuse
rating 21 Terminal 30, body
electrics (courier
vehicles) 15 A
Rear window defroster
without ATA 30 A
Rear window defroster
with ATA 15 A
22 Electrical step, co-
driver's door (bus) 10 A
Rear window defroster 2 15 A
Vehicle socket (courier
vehicles) 20 A
23 Electric system: non-MB
body
12 V left rear socket,
load/ passenger
compartment 10 A
15 A
24 12 V socket under the
base of driver's seat 15 A
25 12 V socket rear right,
cargo compartment/
passenger compartment 15 A
26 Hot-water auxiliary
heating 25 A
27 Auxiliary warm-air heater
Heater booster system 20 A
25 AFuses supplement
9 Z
Page 14 of 18
Relays in the seat base of the left front seat
No. Relays Description
R1 Unassigned —
R2 K41 Load relie
frelay, terminal 15 R3 K41/5 Starter relay, terminal 15
R4 K64
K110 Secondary air injection/secondary air pump relay
SCR relay
2
, vehicles with exhaust gas aftertreatment R5 K27 Fuel pump relay
R6 K23/1 Blower relay, front, blower setting 1
R7 K41/2 Load relief relay, terminal 15 R
R8 K6/1 Starter relay, additional battery
R9 K13/5 Rear window defroster relay 1
R10 K13/6
K51/15 Rear window defroster relay 2
Snow plow relay, low-beam headlamps, left
R11 K117/3
K51/16 Electrical step relay 1, sliding door, left
Snow plow relay, low-beam headlamps, right
R12 K117/4
K51/17 Electrical step relay 2, sliding door, left
Snow plow relay, high-beam headlamps, left
R13 K41/3
K51/18 Load relief relay, terminal 15 (2)
Snow plow relay, high-beam headlamps, right
2
Selective Catalytic Reduction. 12
Fuses supplement