4Selector lever positions . . . . . . . .
.114
Shift ranges . . . . . . . . . . . . . . . . . .115
Trailer towing . . . . . . . . . . . . . . . . .117
Auxiliary heating . . . . . . . . . . ..174, 300
Display message . . . . . . . . . .276, 277
Remote control . . . . . . . . . . . . . . .176
Setting (on-board computer) . . . . .130
Auxiliary ventilation . . . . . . . . . . . ..174
Axle load, maximum permissible
. . . . . . . . . . . . . . . . . . . . . . . . . .352, 353 B
Ball coupling Fitting . . . . . . . . . . . . . . . . . . . . . . .235
Removing . . . . . . . . . . . . . . . . . . . .241
BAS (Brake Assist) . . . . . . . . . . . . . . ..59
Basic display (on-board computer) .125
Battery Changing (auxiliary heating
remote control) . . . . . . . . . . . . . . .305
Changing (key ).. . . . . . . . . . . . . . .305
Changing (KEYLESS GO key) . . . . .305
Charging . . . . . . . . . . . . . . . . . . . . .327
Checking (key ).. . . . . . . . . . . . . . .305
Checking (KEYLESS GO key) . . . . .305
Check lamp (key ).. . . . . . . . . . . . .305
Check lamp (KEYLESS GO key) . . . . . . . . . . . . . . . . . . . . . . . . .71, 305
Disconnecting . . . . . . . . . . . . . . . .325
Display message . . . . . . . . . . . . . .265 Maintenance (vehicle
).. . . . . . . ..323
Reconnecting . . . . . . . . . . . . . . . . .328
Removing/fitting . . . . . . . . . . . . . .327
Vehicle battery . . . . . . . . . . . . . . . .323
Belt force limiters
Activatio n.. . . . . . . . . . . . . . . . . . . .41
Belt height adjustment . . . . . . . . . . ..96
Belt tensioners Activation . . . . . . . . . . . . . . . . . . . . .41
Belt warning . . . . . . . . . . . . . . . . . . . . .96
Bonnet Bonnet catch . . . . . . . . . . . . . . . . .221
Display message . . . . . . . . . . . . . .264
Opening/closing . . . . . . . . . . . . . .220
Bonnet release lever
Release lever . . . . . . . . . . . . . . . . .221
Brake
Parking brake . . . . . . . . . . . . . . . . .112
Warning lamp . . . . . . . . . . . . .282, 283
Brake Assist
see BAS
Brake fluid . . . . . . . . . . . . . . . . . . . . .362
Display message . . . . . . . . . . . . . .266
Brake lamps
Adaptive . . . . . . . . . . . . . . . . . . . . . .59
Display message . . . . . . . . . . . . . .272
Brake system
Display message . . . . . . . . . . . . . .265
Bulb
Brake lamp . . . . . . . . . . . . . . . . . . .310 Changing . . . . . . . . . . . . . . .
.308, 310
Dipped-beam headlamps . . . . . . . .308
Licence plate lamp . . . . . . . . . . . . .311
Main-beam headlamps . . . . . . . . . .308
Parking lamp . . . . . . . . . . . . . . . . .308
Rear foglamp . . . . . . . . . . . . . . . . .310
Reversing lamp . . . . . . . . . . . . . . .310
Side lamp . . . . . . . . . . . . . . . . . . . .308
Tail lamp . . . . . . . . . . . . . . . . . . . . .310
Turn signal lamp . . . . . . . . . .309, 310
see Lamp
Bulbs
Overview . . . . . . . . . . . . . . . . . . . .306 C
Calling up a malfunction see Message memory menu
Care . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Automatic car wash . . . . . . . . . . . .244
Distronic . . . . . . . . . . . . . . . . . . . .247
Exhaust tail pipes . . . . . . . . . . . . . .247
Headlamps . . . . . . . . . . . . . . . . . . .245
High-pressure cleaners . . . . . . . . .244
Parktroni c.. . . . . . . . . . . . . . . . . .247
Plastic trim . . . . . . . . . . . . . . . . . . .246
Rear window . . . . . . . . . . . . . . . . .245
Reversing camera . . . . . . . . . . . . .248
Side windows . . . . . . . . . . . . . . . . .245
Trailer tow hitch . . . . . . . . . . . . . . .248 Index
251_AKB; 5; 7, en-GB
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Display
messages 270 Display messages Possible cause/consequence Possible solution
B Top up coolant See
Owner's Manual The coolant level is too low. X
Top up the coolant, observing the warning
notes before doing so (Y page 223).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual. . Left-hand Corner-
ing light
or
Right-hand Corner-
ing light The left-hand and/or right-hand cornering
lamp* is faulty. X
Replace the bulb (Y page 306).. Left-hand dipped
beam
or
Right-hand dipped
beam The right-hand or left-hand dipped-beam
headlamp is faulty. X
Halogen headlamp: replace the bulb
(Y page 306).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . AUTO lights inop-
erative The light sensor is faulty. Constant head-
lamp mode is switched on. X
Switch the lights to manual control in the on-
board computer (Y page 132).
X Switch the lights on and off using the light
switch. . Trailer Left-hand
turn signal
or
Trailer Right-hand
turn signal There is a malfunction in the left- or right-
hand windowbag. X
Replace the bulb. Practical advi
ce
* optional
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Display
messages 271Display messages Possible cause/consequence Possible solution
. Trailer brake lamp The trailer brake lamp is faulty. X
Replace the bulb. . Trailer Left-hand
tail lamp
or
Trailer Right-hand
tail lamp The left-hand or right-hand trailer tail lamp
is faulty. X
Replace the bulb. . Turn signal, rear
left
or
Turn signal, rear
right The rear left-hand or rear right-hand turn
signal is faulty. X
Replace the bulb (Y page 306). . Turn signal in mir-
ror, left
or
Turn signal in mir-
ror, right The turn signal in the left-hand or right-
hand exterior mirror is faulty. This mes-
sage will only appear if all LEDs have
failed. X
Visit a qualified specialist workshop. . Turn signal, front
left
or
Turn signal, front
right The front left-hand or right-hand turn sig-
nal is faulty. X
Replace the bulb (Y page 306). Practical advi
ce
251_AKB; 5; 7, en-GB
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Changing the bulbs
307
Front bulbs Bulb Type
1 Side lamp/park-
ing lamp W 5 W
2 Turn signal lamp PY 21 W
3 Additional turn
signal lamp
LEDs
35 4 Dipped-beam
headlamps
H7 55 W
36
or
D1S 35 W* 37 5 Main-beam
headlamps
36
/
Main-beam
spotlight* 38 H7 55 W
6 Front foglamps
with cornering
light function* H7 55 W Rear bulbs
Bulb Type
7 Third brake
lamp
LED
35 8 Brake lamp/tail
lamp/parking
lamp P 21 W
9 Turn signal lamp PY 21 W
a Reversing lamp P 21 W
b
Rear foglamp* P 21 W
c Licence plate
lamp C 5 W
Before changing bulbs
You can replace the following bulbs:
R
Dipped-beam headlamps (vehicles with
halogen headlamps)
R Main-beam headlamps (vehicles with halo-
gen headlamps) R
Side lamp and parking lamp
R Front foglamps with cornering light func-
tion*
R Turn signal lamp (front)
R Reversing lamp
R Brake lamp/tail lamp/parking lamp
R Rear fog lamp
R Turn signal lamp (rear)
R Licence plate lamp
Observe the following points:
R Use only the bulb types specified here.
R To prevent a short-circuit, switch off the
lights before changing a bulb.
R Only hold bulbs with a clean, lint-free cloth.
R Do not work with wet or greasy fingers.
R If the new bulb still does not light up, con-
sult a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
35 These bulbs must be replaced at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
36 Vehicles with halogen headlamps.
37 Vehicles with xenon headlamps*: always have these bulbs changed at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
38 Vehicles with bi-xenon headlamps* Practical advice
* optional
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Changing the bulbs
309
Replacing the bulbs in foglamps with
cornering light function* 1
Front foglamp
2 Cover
3 Cover screws
4 Foglamp screws
X Switch off the lights.
X Remove screws 3.
X Remove cover 2.
X Remove screws 4.
X Remove front foglamp 1from the bumper. 5
Bulb holder for front foglamp
i If necessary, reconnect the additional
cable during installation.
X Turn bulb holder 5anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 5.
X Insert the new bulb into bulb holder 5.
X Insert bulb holder 5and turn clockwise
until it engages.
X Insert front foglamp 1into the bumper.
X Replace screws 4of front foglamp 1.
X Position cover 2.
X Fasten screws 3into cover 2. Replacing the turn signal lamps
1
Bulb holder for turn signal
X Switch off the lights.
X Open the bonnet.
X Turn bulb holder 1anti-clockwise and pull
it out.
X Turn the bulb anti-clockwise, applying
slight pressure, and remove it from bulb
holder 1.
X Insert the new bulb into bulb holder 1and
turn clockwise while applying slight pres-
sure.
X Insert bulb holder 1and turn clockwise
until it engages. Practical advice
* optional
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Changing the bulbs
310 Changing the rear bulbs
Opening and closing the side trim pan-
els You must open the side trim panel in the load
compartment before changing the bulbs in
the tail lamps. Left-hand side trim panel
1
Release catch
2 Side trim panel Right-hand side trim panel
1
Release catch
2 Side trim panel
X To open: insert a suitable object, e.g. a
coin, into the slot of release catch 1on
side trim panel 2.
X Turn release catch 190° in the direction
of the arrow and remove side trim panel
2.
X To close: insert side trim panel 2and turn
catch 190° in the opposite direction to
the arrow. Changing the tail lamps X
Switch off the lights.
X Open the luggage compartment.
X Open the side trim panel (Y page 310). Tail lamps
1
Brake lamp/tail lamp/parking lamp
2 Turn signal lamp
3 Rear fog lamp
4 Reversing lamp
X Turn the corresponding bulb holder anti-
clockwise and remove it.
X Take the bulb out of the bulb holder.
X Insert the new bulb into the bulb holder.
X Insert the bulb holder and turn it clockwise.
X Close the side trim panel (Y page 310).Practical advice
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