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No. Consumer Fuse
rating 22 Brake system (ABS) 5 A
23 Starter motor 20 A
24 Engine components 10 A
25 12 V socket in the center
console 25 A
Fuse block F55/1
No. Consumer Fuse
rating 1 Left door control unit 25 A
2 Diagnostics socket 10 A
3 Brake system (valves) 25 A
4 Brake system (delivery
pump) 40 A
5 Terminal 87 (5) engine 7.5/10 A
6 Terminal 87 (6) engine 7.5/10 A
7 Headlamp cleaning
system 30 A
8 Anti-theft alarm system
(ATA) 15 A
9 Additional turn signal
module 10 A
Fuse block F55/2
No. Consumer Fuse
rating 10 Radio 15 A
11 Mobile phone 7.5 A
12 Blower, front/auxiliary
heating blower setting 1 30 A
13 Auxiliary heating digital
timer, radio receiver/
basic wiring DIN-
slot 7.5 A No. Consumer Fuse
rating 14 Seat heating 30 A
15 Unassigned —
16 Heating, rear-
compartment heating/
front-compartment air
conditioning/CD player 10 A
17 Motion detector/
convenience lighting 10 A
18 Rear-compartment air-
conditioning system 7.5 A
Prefuse box in the battery compartment in the
driver's footwell F59
No. Consumer Fuse
rating 1 Preglow relay/
secondary air pump 80/40 A
2 Air-conditioning system
cooling fan, cab 60/40 A
3 Signal acquisition and
actuation module
(SAM)/fuse-relay box
(SRB) 80 A
4 Auxiliary battery/
retarder 150 A242
Electrical systemPractical advice
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No. Consumer Fuse
rating 5 Terminal 30 fuse box,
signal acquisition and
actuation module
(SAM)/fuse-relay box
(SRB) 150 A
6 Connection point on the
base of the seat Bridge
7 PTC heater booster 150 A
Fuse box under the driver's seat
The fuse box is located on the outside of the base
of the driver's seat.
0046
Catch spring
X To open: move the seat to the highest
position (Y page 63).
X Press both latching springs 0046 down and
remove the cover.
X To close: install the bottom edge of the
cover and fold upwards.
The cover must engage. Electrical system
243Practical advice Z
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Arrangement
Fuses
Fuse block F55/3
No. Consumer Fuse
rating 1 Mirror setting/rear
window defroster 5 A
2 Rear window wiper 30 A
3 Rear view camera/
mobile phone/DIN-slot
basic wiring (roof) 5 A
4 Working speed governor
(ADR)/power take-off/
trailer control unit AAG 7.5 A
5 Electronic transmission
control, ETC control unit 10 A
6 Unassigned —
7 Electronic selector lever
module 10 A No. Consumer Fuse
rating 8 Terminal 15 body
manufacturer/loading
tailgate/tipper 10 A
9 Roof ventilator/siren 15 A
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 Rear-compartment air
conditioning 30 A
14 Trailer power socket 20 A244
Electrical systemPractical advice
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No. Consumer Fuse
rating 15 Trailer recognition unit 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 5 A
20 Perimeter lamp 7.5 A
21 Rear window defroster 1 30 A
22 Rear window defroster 2 15 A
23 12 V socket rear left,
cargo compartment/
passenger
compartment/non-MB
body electrics 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 Auxiliary heating 25 A
27 Heater booster system 25 A
Fuse block F55/6
No. Consumer Fuse
rating 28 Exhaust gas
aftertreatment – SCR
10
control unit 10 A
29 Unassigned — No. Consumer Fuse
rating 30 Brake booster 30 A
31 Rear-compartment
heating blower/sliding
door closing assistance,
left 30/15 A
32 Exhaust gas
aftertreatment – SCR
10
relay power supply 10 A
33 Sliding door closing
assistance, right 15 A
34 Exhaust gas
aftertreatment – SCR
10
heater 1 tank 15 A
35 Exhaust gas
aftertreatment – SCR
10
heater 2 hose 15 A
36 Exhaust gas
aftertreatment – SCR
10
heater 3 delivery pump 10 A
Batteries for the remote control
Notes on changing the batteries
G
Warning!
Batteries are toxic and contain caustic
substances. For this reason, keep batteries
out of the reach of children.
If a battery
has been swallowed, visit a doctor
immediately.
0040Environmental note Batteries contain toxic substances.
It is illegal to dispose of them with
household
waste. Batteries
must be
collected separately and be
10 Selective Catalytic Reduction. Batteries for the remote control
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