Page 332 of 409

331 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
.
High beam
Left
The left high beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
High beam
Right
The right high beam lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Left turn signal
Mirror
The left turn signal in the side
mirror is malfunctioning. This
message will only appear if all
light emitting diodes have
stopped working.
Have the LEDs replaced as soon as possible.
License plate
lamp, L
The left license plate lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
License plate
lamp, R
The right license plate lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Light sensor
Drive to
workshop
The light sensor is malfunction-
ing. The headlamps switch on
automatically.
In the control system, set lamp operation to manual
(page 132).
Switch on headlamps using the exterior lamp switch.
Visit an authorized Mercedes-Benz Center immediately.
Low beam
Left
The left low beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 333 of 409

332 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Low beam
Right
The right low beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Marker lamp
Front left
The front left side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Front right
The front right side marker
lamp is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear left
The rear left side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear right
The rear right side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Parking lamp
Front left
The left front parking lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Parking lamp
Front right
The right front parking lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Remove key
You have forgotten to remove
the SmartKey.
Remove the SmartKey from the starter switch.
Reverse lamp
Right
The right backup lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Reverse lamp
Left
The left backup lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 350 of 409
349 Practical hints
Replacing bulbs
Front lamps
Rear lamps
Lamp
Type
1
Additional turn signal
LEDs
2
Turn signal
PY, 21 W
3
Side marker lamp
WY 5 W
4
Parking lamp
W5W
5
Low and high beam
lamp
D2S, 35 W
6
High beam flasher
H7, 55 W
7
Front fog lamp
H3, 55 W
Lamp
Type
8
Brake/parking lamp
LEDs
9
Turn signal lamp
LEDs
a
Side marker lamp
P 21 W
b
High mounted brake
lamp
LEDs
c
License plate lamp
C 5 W
d
Rear fog lamp
P 21 W
e
Backup lamp
P 21 W
f
Reflector
-
Page 386 of 409

385 Technical terms
ABS
(A
nti-lock B
raking S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 281)
ACL
(Airbrake/C
entral L
ocking)
Controls the locking mechanism of the
Airbrake and the central locking sys-
tem.
Air pressure
(
page 281)
Aspect ratio
(page 281)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 (PASSENGER
AIRBAG OFF indicator lamp on the low-
er center console illuminates and re-
mains illuminated).
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. See
an authorized Mercedes-Benz Center
for availability.
Bar
(
page 281)BAS
(B
rake As
sist 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.
Bead
(
page 281)
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
(Customer 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.
Page 400 of 409

399 Index
PASSENGER AIRBAG OFF 75, 306
Seat belt telltale 29, 304
SRS 29, 63, 304
Tire pressure monitor 29, 305
Turn signals 29
Language, Setting 130
License plate lamp
Messages in the multifunction
display 331
Replacing bulbs 348
License plate lamps 349
Light sensor
Messages in the multifunction
display 331
Lighter see Cigarette lighter
Lighting
Exterior 105
Interior 111
Limp Home Mode, Automatic
transmission 178
Loading see Vehicle loading
Location
Audio system 143
Compact guide (Canada only) 343
Telephone 201
Vehicle literature portfolio 342Locator lighting 108, 133
Loss of
Keys 99
Service and Warranty Information
Booklet 367
Low beam headlamps 105
Messages in the multifunction
display 331
Replacing bulbs 348
Switching on 52
Lubricants 377
M
Main odometer 29
Maintenance 289, 356
Calling up service indicator 291
Resetting service indicator 291
Service indicator 289
Service term exceeded 290
Manual gearshift program, Automatic
transmission 176
Manual headlamp mode see Headlamps
Map pocket in passenger footwell 200Maximum load rating, Tires 282
Maximum loaded vehicle weight 282
Maximum tire inflation pressure 282
Mechanical key 344
Menus see Control system menus
Messages in display see Multifunction dis-
play messages 307
Microphone, Hands-free 33
Mirrors 179
Adjusting 44
Auto-dimming 179
Exterior rear view mirror 44
Interior rear view mirror 44
MON 241, 387
Motor Octane Number see MON
Multifunction display 117, 387
Changing settings see Control system
menus and Control system
submenus 117
Left 29
Right 29
Selecting language 130