4
Automatic transmission Display
message
. . . . . . . . . . . . . . . . . . . . . . .261
Auxiliary heating . . . . . . . . . . ..177, 304
Display message . . . . . . . . . . . . . .280
Remote control . . . . . . . . . . . . . . .178
Setting (on-board computer) . . . . .133
Auxiliary ventilation . . . . . . . . . . . ..177
Axle load, maximum permissible
. . . . . . . . . . . . . .370, 371, 372, 373, 374 B
Ball coupling Folding in . . . . . . . . . . . . . . . . . . . .241
Folding out . . . . . . . . . . . . . . . . . . .239
BAS (Brake Assist) . . . . . . . . . . . . . . ..59
Battery Changing (auxiliary heating
remote control) . . . . . . . . . . . . . . .311
Changing (key ).. . . . . . . . . . . . . . .310
Changing (KEYLESS GO key) . . . . .310
Charging . . . . . . . . . . . . . . . . . . . . .332
Checking (key ).. . . . . . . . . . . . . . .310
Checking (KEYLESS GO key) . . . . .310
Check lamp (key ).. . . . . . . . . . . . .310
Check lamp (KEYLESS GO key) . . . . . . . . . . . . . . . . . . . . . . . . .69, 310
Disconnecting . . . . . . . . . . . . . . . .331
Display message . . . . . . . . . . . . . .266
Maintenance (vehicle ).. . . . . . . ..329
Reconnecting . . . . . . . . . . . . . . . . .333 Removing/fitting . . . . . . . . . . . . .
.332
Vehicle battery . . . . . . . . . . . . . . . .329
Voltage (on-board computer) . . . . .127
Belt force limiters
Activatio n.. . . . . . . . . . . . . . . . . . . .41
Belt height adjustment . . . . . . . . . . ..97
Belt reel (Easy-Pack fix kit) . . . . . . ..203
Belt tensioners Activatio n.. . . . . . . . . . . . . . . . . . . .41
Belt warning . . . . . . . . . . . . . . . . . . . . .97
Bonnet Bonnet catch . . . . . . . . . . . . . . . . .223
Display message . . . . . . . . . . . . . .267
Opening/closing . . . . . . . . . . . . . .222
Bonnet release lever
Release lever . . . . . . . . . . . . . . . . .222
Boot
Emergency release . . . . . . . . . . . . .307
Locking separatel y.. . . . . . . . . . . . .72
Opening/closing (manually) . . . . . . .70
Boot/luggage compartment
Opening/closing (automatically )...73
Boot lid
Display message . . . . . . . . . . . . . .266
Brake
Warning lamp . . . . . . . . . . . . . . . . .286
Brake Assist
see BAS
Brake fluid . . . . . . . . . . . . . . . . . . . . .390
Display message . . . . . . . . . . . . . .270 Brake lamps
Adaptive . . . . . . . . . . . . . . . . . . . . . .59
Display message . . . . . . . . . . . . . .274
Brake system
Display message . . . . . . . . . .268, 269
Parking brake . . . . . . . . . . . . . . . . .113
Bulb
Changing . . . . . . . . . . . . . . . .314, 315
Dipped-beam headlamps . . . . . . . .314
Licence plate lamp . . . . . . . . . . . . .315
Main-beam headlamps . . . . . . . . . .314
Parking lamp . . . . . . . . . . . . . . . . .314
Side lamp . . . . . . . . . . . . . . . . . . . .314
Turn signal lamp . . . . . . . . . . . . . . .314
see Lamp
Bulbs
Overview . . . . . . . . . . . . . . . . . . . .312 C
Calling up a malfunction see Message memory menu
Care . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Automatic car wash . . . . . . . . . . . .245
Distronic . . . . . . . . . . . . . . . . . . . .248
Headlamps . . . . . . . . . . . . . . . . . . .246
High-pressure cleaners . . . . . . . . .245
Parktroni c.. . . . . . . . . . . . . . . . . .248
Plastic trim . . . . . . . . . . . . . . . . . . .247
Rear window . . . . . . . . . . . . . . . . .246
Side windows . . . . . . . . . . . . . . . . .246 Index
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Air conditioning
177
X
To deactivate: press theTbutton.
REST is no longer shown in the display.
i The residual heat automatically switches
off after around 30 minutes or if:
R the ignition is switched on
R the battery voltage drops Switching auxiliary heating/ventila-
tion* on/off
G
Risk of poisoning
Exhaust fumes are produced when the aux-
iliary heating is in operation. Inhaling these
exhaust fumes can be poisonous. You
should therefore switch off the auxiliary
heating in confined spaces without an
extraction system, e.g. a garage. G
Risk of fire
When operating the auxiliary heating, parts
of the vehicle may become very hot, and
highly inflammable material such as fuels
could be ignited. Operating the auxiliary
heating is thus prohibited at filling stations
or when your vehicle is being refuelled. You must therefore switch off the auxiliary heat-
ing at filling stations.
The auxiliary heating heats the air in the vehi-
cle interior to a temperature between 20 †
and 24 †, without depending on heat emitted
by the running engine. The auxiliary heating
is operated using fuel directly from the vehi-
cle's fuel tank. For this reason, the tank con-
tent must be at least at reserve fuel level to
ensure that the auxiliary heating functions.
The auxiliary heating/ventilation automati-
cally adjusts to changes in temperature and
weather conditions. For this reason, the aux-
iliary heating could switch from ventilation
mode to heating mode or from heating mode
to ventilation mode.
You cannot use the auxiliary ventilation to
cool the vehicle interior to a temperature
lower than the outside temperature.
Before activating X
Make sure that the key is in position 2in
the ignition lock.
X Set the temperature to a value between
20 † and 24 †.
The auxiliary heating/ventilation can be acti-
vated even when the air conditioning is being controlled manually. Optimum comfort can
be attained when the system is set to auto-
matic mode. Set the desired temperature
within this range. If a higher temperature is
set, the vehicle is heated to 24 †. If a lower
temperature is set, the vehicle is heated to
20 †.
Activating/deactivating the auxiliary
heating/ventilation
The auxiliary heating/ventilation can be acti-
vated or deactivated using the remote control
or the button on the centre console.
The on-board computer can be used to spec-
ify up to three departure times, one of which
may be preselected (Y
page 138). Cont
rols
* optional
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Air conditioning
178
Button on the centre console
Centre console (manual transmission)
1
Auxiliary heating/ventilation Centre console (automatic transmission*)
1 Auxiliary heating/ventilation The indicator lamps in the button may light up
in blue, red or yellow.
R
Blue: auxiliary ventilation activated
R Red: auxiliary heating activated
R Yellow: departure time preselected
Activating the auxiliary heating/ventila-
tion
If the key is in position 1or 2:
X Press and hold button 1for at least two
seconds.
The red or blue indicator lamp in button
1 lights up.
If the key is removed or in position 0:
X Briefly press button 1.
The red or blue indicator lamp in button
1 lights up.
Deactivating the auxiliary heating/venti-
lation
X Briefly press button 1.
The red or blue indicator lamp in button
1 goes out. Remote control
Your vehicle comes with one remote control.
You may use two additional remote controls
for your vehicle. For further information, con-
sult a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
The remote control has a maximum range of
approximately 300 metres. This range may be
reduced by:
R sources of radio interference
R solid objects between the remote control
and the vehicle
R the remote control being in an unfavoura-
ble position in relation to the vehicle
R transmitting from an enclosed space
i The optimum range can be achieved if you
hold the remote control vertically, pointing
upwards when you press one of the but-
tons.
i A battery symbol appears in the display
when the batteries in the remote control
are low. Replace the remote control bat-
teries (Y page 311). Controls
* optional
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Air conditioning
179
i
More information about the auxiliary
heating can be found in the "Practical
advice" section (Y page 304). Auxiliary heating remote control
1 Display
2 To check the status
3 OFF – to deactivate auxiliary heating/
ventilation
4 ON – to activate auxiliary heating/venti-
lation
5 To check the status
Using the remote control, you can:
R activate or deactivate the auxiliary heat-
ing/ventilation
R check the status of the auxiliary heating/
ventilation Activating the auxiliary heating/ventila-
tion
X
Press the ONbutton.
The following messages can appear in the
display: Display Meaning
The auxiliary heating/
ventilation is activated.
A malfunction has occur-
red in the auxiliary heat-
ing/ventilation. The
heating/ventilation
function selected by the
system is not available.
The vehicle battery is not
charged sufficiently or
the system is faulty. The signal transmission
between the transmitter
and the vehicle is faulty.
The heating system has a
fault or there is insuffi-
cient fuel in the fuel tank.
The auxiliary heating is
not working. The auxili-
ary ventilation is still
functioning.
Deactivating the auxiliary heating/venti-
lation
The auxiliary heating switches off automati-
cally after 50 minutes.
i
This time limit can be altered. To do this,
visit a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
X Press the OFFbutton. Cont
rols
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Sliding sunroof
180
The following messages can appear in the
display: Display Meaning
The auxiliary heating/
ventilation is deactiva-
ted.
The signal transmission
between the transmitter
and the vehicle is faulty.
Checking the status of the auxiliary heat-
ing
X
Press the por obutton.
The following messages can appear in the
display: Display Meaning
The auxiliary heating/
ventilation is deactiva-
ted. A malfunction has occur-
red in the auxiliary heat-
ing/ventilation. The
heating or ventilation
function selected by the
system is not available.
The vehicle battery is not
charged sufficiently or
the system is faulty.
The signal transmission
between the transmitter
and the vehicle is faulty.
The auxiliary ventilation
is switched on. The num-
ber in the display shows
the remaining time (in
minutes) for the auxiliary
ventilation.
The auxiliary heating is
switched on. The number
in the display shows the
remaining time (in
minutes) for the auxiliary
heating. Sliding sunroof
Sliding/tilting sunroof*
G
Risk of injury
Never leave children unsupervised in the
vehicle. They could operate the sliding/tilt-
ing sunroof and injure themselves. Always
take the key with you when leaving the
vehicle, even if you only leave it for a short
time. G
Risk of injury
Make sure that nobody can become trap-
ped when you are opening and closing the
sliding/tilting sunroof. If danger threatens,
release the switch and push it briefly in any
direction to stop the sliding/tilting sunroof. G
Risk of injury
The glass in the sliding/tilting sunroof
could break in an accident. If you are not
wearing a seat belt, there is a risk that you
could be thrown through the opening in the
event of the vehicle overturning. Therefore,
always wear a seat belt to reduce the risk
of injuries. Controls
* optional
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Display
messages 280 Display messages Possible cause/consequence Possible solution
I Key not detected
The KEYLESS GO key* cannot be detected
at present. X
Change the location of the KEYLESS GO key*
within the vehicle.
X Operate the vehicle using the key in the ignition
lock if necessary. I Key still in vehi-
cle
The KEYLESS GO key* was detected
inside the vehicle during locking. X
Remove the KEYLESS GO key* from the vehi-
cle. I Please replace key The key no longer functions. X
Visit a qualified specialist workshop. X inoperative Bat-
tery weak The battery voltage is insufficient. The
auxiliary heating/ventilation* has
switched off or cannot be switched on. X
Drive for a longer distance.
The battery is being charged. The auxiliary
heating/ventilation* is reactivated as soon as
there is sufficient battery voltage. X inoperative Refuel There is insufficient fuel in the fuel tank.
The auxiliary heating* cannot be switched
on. X
Refuel at the nearest filling station. X inoperative See
Owner's Manual
The auxiliary heating* has a temporary
malfunction or is faulty. X
When the vehicle is on a level surface and the
engine has cooled down: try to switch on the
auxiliary heating* four times, waiting for sev-
eral minutes between each attempt.
X If the auxiliary heating* does not switch on:
visit a qualified specialist workshop. Practical advi
ce
* optional
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Troubleshooting
304 Problem Possible cause/consequence Suggested solutions
The vehicle cannot be started
using the KEYLESS GO key and
the KEYLESS GO button. The KEY-
LESS GO key is in the vehicle. A door is open. The key therefore
cannot be detected so easily. X
Close the door and try to start the vehicle again. You did not depress the brake
when starting the engine. X
Depress the brake and press the KEYLESS GO button. There is interference from a pow-
erful source of radio waves. X
Start your vehicle using the KEYLESS GO key in the ignition lock. You have lost the KEYLESS GO
key. X
Have the KEYLESS GO key cancelled at a Mercedes-Benz Service
Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. Auxiliary heating*
Problem Possible cause/consequence Suggested solutions
The auxiliary heating is not work-
ing. The fuel level is down to the
reserve level. X
Refuel at the nearest filling station. The battery is not sufficiently
charged. X
Charge the battery. The auxiliary heating is faulty. X
Have the auxiliary heating checked at a qualified specialist work-
shop. Practical advice
* optional
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Troubleshooting
305Problem Possible cause/consequence Suggested solutions
The auxiliary heating cannot be
switched on or off using the
remote control. The remote control display shows
FAIL and the
¢symbol.
The signal transmission between
the remote control and the vehi-
cle is faulty. X
Change your position in relation to the vehicle, moving closer if
necessary.
X Make another attempt to switch the auxiliary heating on or off using
the remote control. The remote control display shows
FAIL and the
¡symbol.
There is not enough fuel in the
tank, or the auxiliary heating is
faulty. X
Refuel at the nearest filling station.
X Have the auxiliary heating checked at a qualified specialist work-
shop. Parking up the vehicle
Problem Possible cause/consequence Suggested solutions
The vehicle is to be left parked up
for longer than six weeks. Damage resulting from non-use
may occur if the vehicle is parked
up for long periods. X
Visit a qualified specialist workshop and seek advice.
X Disconnect the battery ( Ypage 331). Practical advice
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