Page 595 of 666
593 Practical hintsFuses
5
Fuse block F55/1 Fuse block F55/2No.
Consumer
Amp.
1
Control panel, left door
25 A
2
Diagnostic socket
10 A
3
Brake system (valves)
25 A
4
Brake system (delivery
pump)
40 A
5
Terminal 87 (5), vehicles
with gasoline engine
7,5 A
6
Terminal 87 (6), vehicles
with gasoline engine
7,5 A
7
Headlamp cleaning system*
30 A
8
Anti-theft alarm system
(ATA)*
15 A
9
Auxiliary indication module*
10 A
No.
Consumer
Amp.
10
Radio*
15 A
11
Telephone*
7,5 A
12
Front blowers/auxiliary
heating* (blower speed 1)
30 A
13
Auxiliary heating* (receiv-
er)/pre-wiring mounting
slot (center console)*
7,5 A
14
Seat heating*/center con-
sole switch unit
30 A
15
Non MB-body electrics
10 A
16
Heater (rear heating*)/air-
conditioning system,
front/CD-player*
10 A
17
Motion detector*/conve-
nience interior lighting*/
satellite radio*
10 A
18
Air conditioning in the
rear*
7,5 A
No.
Consumer
Amp.
nf_BA.book Page 593 Friday, January 25, 2008 3:53 PM
Page 596 of 666
594 Practical hintsFuses
5
Preliminary fuse box in the battery re-
cess in the driver’s footwell F59
The fuse box is located in the base of the
driver’s seat on the outboard side.1Latching springs
\1To open:
adjust the seat to its high-
est position (
\2
page 69).
\1
Press both latching springs
1
down
and remove the cover.
\1To close:
attach the cover at the bot-
tom and fold it closed.
The cover must engage.
No.
Consumer
Amp.
1
Pre-glow relay/second-
ary air pump
80/40 A
2
Engine fan (air-condi-
tioning system) –
cab chassis/crewcab
60/40 A
3
Signal acquisition and
actuation module SAM/
fuse and relay block SRB
80 A
4
Auxiliary battery* in the
engine compartment/
retarder*
150 A
5
Terminal 30 fuse boxes,
signal acquisition and
actuation module SAM/
fuse and relay block SRB
150 A
6
Connecting point in driv-
er’s seat base
Bridge
7
Heater booster (PTC)
150 A
Fuse box in the driver’s seatNo.
Consumer
Amp.
N54.15-2149-31
nf_BA.book Page 594 Friday, January 25, 2008 3:53 PM
Page 599 of 666
597 Practical hints
Fuse Box in the Driver’s Seat
5
23
12V socket* rear left, load/
passenger compartment
15 A
24
12V socket, driver’s seat
base
15 A
25
12V socket rear right, load/
passenger compartment
15 A
26
Auxiliary heating*
25 A
No.
Consumer
Amp.
27
Heater booster*
25 A
28
Unassigned
29
Unassigned
30
Brake booster*
30 A
31
Blower unit (rear heating*)/
electric sliding door*, left/
electric closing aid* (sliding
door, left*)
30/
15 A
No.
Consumer
Amp.
32
Unassigned
33
Electric sliding door*, right/
electric closing aid* (sliding
door, right)
30/
15 A
34
Unassigned
35
Unassigned
36
Unassigned
No.
Consumer
Amp.
nf_BA.book Page 597 Friday, January 25, 2008 3:53 PM
Page 641 of 666

639 Index
stopping . . . . . . . . . . . . . . . . . . . 206
towing . . . . . . . . . . . . . . . . . . . . 587
trailer towing . . . . . . . . . . . . . . . 207
working on the vehicle . . . . . . . . 207Auxiliary heating
. . . . . . . . . . . . . 236
heater booster function . . . . . . . 234
malfunctions . . . . . . . . . . . . . . . 453
with water heater
changing the remote control
batteries . . . . . . . . . . . . . . . . . 541
remote control . . . . . . . . . . . . 239
selecting a switch-on time . . . 240
setting the switch-on time . . . 242
B
Bar
. . . . . . . . . . . . . . . . . . . . . . . . 394
BASsee Brake AssistBatteryauxiliary . . . . . . . . . . . . . . . . . . . 577
charge indicator lamp . . . . . . . . 469
check lamp (auxiliary heating
remote control) . . . . . . . . . . . . . 240
display message . . . . . . . . . . . . 497
in the auxiliary heating remote
control . . . . . . . . . . . . . . . . . . . . 541
in the engine compartment . . . . 577
in the key . . . . . . . . . . . . . . . . . . 540
indicator lamp (key) . . . . . . . . . . . 86
isolating switch . . . . . . . . . 338
,339
recharging . . . . . . . . . . . . . . . . . 579
reconnecting . . . . . . . . . . . . . . . 580
removing . . . . . . . . . . . . . . . . . . 578safety notes . . . . . . . . . . . . . . . . 335
starter battery
disconnecting . . . . . . . . . . . . 575
Bead
. . . . . . . . . . . . . . . . . . . . . . . 394
Belt force limiters
. . . . . . . . . . . . .44
Bi-xenon headlamps
. . . . . . . . . . 527
driving abroad . . . . . . . . . . . . . . 311
Body builder guideline
. . . . . . . . . .11
Bottle holdersee Cup holdersBrake Assist (BAS)
. . . . . . . . . . . . .71
display message . . . . . . . . 500
–501
indicator lamp . . . . . . . . . . 462,465
malfunction . . . . . . . . . . . . . . . . 465
Brake fluid
. . . . . . . . . . . . . . . . . . 617
checking the brake fluid level . . 331
display message . . . . . . . . . . . . 498
B
nf_BA.book Page 639 Friday, January 25, 2008 3:53 PM
Page 656 of 666

654 IndexRear window heating
. . . . . . . . . 214
malfunction . . . . . . . . . . . . . . . . 458
Rear window wiper
. . . . . . . . . . . 212
Rear-view mirror
. . . . . . . . . . . . . 208
Recommended tire inflation
pressure
. . . . . . . . . . . . . . . . . . . . 397
Refueling
. . . . . . . . . . . . . . . . . . . 316
Remote controlauxiliary heating . . . . . . . . . . . . . 239
battery check lamp . . . . . . . . . 240
changing the batteries . . . . . . 541
central locking . . . . . . . . . . . . . . . 86
changing the batteries . . . . . . . . 539
key . . . . . . . . . . . . . . . . . . . . . . . . 86
lost . . . . . . . . . . . . . . . . . . . . . . . 448
opening the vehicle . . . . . . . . . . . 83
problems . . . . . . . . . . . . . . . . . . 445
Removing the battery cover in the
driver’s footwell
. . . . . . . . . . . . . 576
Removing/installing the floor cover-
ing in the driver’s footwell
. . . . . 575
Reserve warning indicator
(fuel)
. . . . . . . . . . . . . . . . . . . 475
,476
Residual heat mode
. . . . . . . . . . 222
problems . . . . . . . . . . . . . . . . . . 459
Restraint system
. . . . . . . . . . . . . 34
airbags . . . . . . . . . . . . . . . . . . . . . 36
belt force limiters . . . . . . . . . . . . 44
child restraint systems . . . . . . . . 56
display message . . . . . . . . . . . . 496
emergency tensioning retractor . 44
front airbags . . . . . . . . . . . . . . . . 50
malfunction . . . . . . . . . . . . . . . . 469
seat belt . . . . . . . . . . . . . . . . . . . . 36thorax sidebag . . . . . . . . . . . . . . . 51
windowbags . . . . . . . . . . . . . . . . . 53
Reverse lamp
. . . . . . . . . . . 530
,531
changing bulbs . . . . . . . . . . . . . 531
Reverse warning feature
. . . . . . 271
Rims
. . . . . . . . . . . . . . . . . . . . . . . 397
Road hazard lamp
. . . . . . . . . . . . 513
Roll-back warningsee ParktronicRoof load
. . . . . . . . . . . . . . . . . . . 630
Roof rack
. . . . . . . . . . . . . . . . . . . 285
Roof ventilator
. . . . . . . . . . . . . . 247
S
Seat
. . . . . . . . . . . . . . . . . . . 114
,116
adjusting . . . . . . . . . . . . . . 112,114
folding rear bench seat . . . . . . . 124
S
nf_BA.book Page 654 Friday, January 25, 2008 3:53 PM