Page 252 of 321
252 Practical hintsReplacing bulbs7Tabs
Squeeze tabs7 together and remove
bulb holder.
Gently push bulb into socket, turn
counterclockwise and remove.
Insert new bulb in socket, push in and
turn clockwise.
Reinstall bulb holder. You should hear
it engage.
Insert the tail lamp in the body, lower
edge first. Make sure that it engages.
Retighten screws with washers on
them.License plate lamp
1License plate lamp
2Screws
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.High mounted brake lamp
1Cover
2Tab
Switch off the lights.
Squeeze both sides of cover1, fold it
forward and remove.
Press tab2 on reflector and remove re-
flector.
Gently push bulb into socket, turn
counterclockwise and remove.
Insert new bulb in socket, push in and
turn clockwise.
Page 266 of 321
266 Practical hintsJump starting
Let the engine of the assisting vehicle
run at idle speed.
Connect the negative terminals3 of
the batteries with the jumper cables.
Start with the charged battery.
Start the engine of the disabled vehi-
cle.Now you can again turn on the electrical
consumers. Do not turn on the lights under
any circumstances.
Remove the jumper cables first from
the negative terminals3 of the batter-
ies and then from the positive
terminals1.
Have the battery checked at the
nearest authorized Mercedes-Benz
Center.iThe vehicle cannot be started via
tow-start.
Page 293 of 321

293 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
BabySmart
TM
airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such a
seat is properly installed (indicator
lamp
7
in the instrument cluster
lights up). See your authorized
Mercedes-Benz Light Truck Center for
availability.
BabySmartTM
compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed.BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-Xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.