
ATA (anti-theft alarm system)
. . . . ..54
Switching off the alarm . . . . . . . . . .55
Audio (COMAND)
AUX mode . . . . . . . . . . . . . . . . . . . .83
CD mod e.. . . . . . . . . . . . . . . . . . . .79
DVD mod e.. . . . . . . . . . . . . . . . . . .79
MP3 mode . . . . . . . . . . . . . . . . . . . .79
Audio DVD
Menu overview . . . . . . . . . . . . . . . . .79
Setting the audio format . . . . . . . . .82
Stop function . . . . . . . . . . . . . . . . . .81
AUTO lights
Display message . . . . . . . . . . . . . .344
Automatic car wash . . . . . . . . . . . ..307
Automatic transmission Display message . . . . . .318, 322, 330
Driving tips . . . . . . . . . . . . . . . . . . .208
Emergency running mode . . . . . . .359
Malfunction . . . . . . . . . . . . . . . . . .359
Program selector button . . . . . . . .210
Shift ranges . . . . . . . . . . . . . . . . . .209
AUX
Audi o.. . . . . . . . . . . . . . . . . . . . . . .83
Video . . . . . . . . . . . . . . . . . . . . . . . .83
Auxiliary heating . . . . . . . . . . . . . . ..270
Display message . . . . . . . . . . . . . .342
Notes . . . . . . . . . . . . . . . . . . . . . . .270
Remote control . . . . . . . . . . . . . . .271
Setting the departure time . . . . . . .172
Auxiliary ventilation . . . . . . . . . . . ..270 B
Back button COMAND . . . . . . . . . . . . . . . . . . . . .68
BAS (Brake Assist) . . . . . . . . . . . . . . ..49
BAS PLUS (Brake Assist System
Plus*) . . . . . . . . . . . . . . . . . . . . . . . . . .49
Batteries Changing (entertainment system
headphones) . . . . . . . . . . . . . . . . .369
Changing (entertainment system
remote control) . . . . . . . . . . . . . . .369
Battery
Changing (auxiliary heating
remote control) . . . . . . . . . . . . . . .368
Charging . . . . . . . . . . . . . . . . . . . . .384
Checking (key ).. . . . . . . . . . . . . . .367 Check lamp (key
).. . . . . . . . . . . . .367
Disconnecting . . . . . . . . . . . . . . . .385
Display message . . . . . . . . . .318, 331
Fitting the battery . . . . . . . . . . . . .386
Jump-starting . . . . . . . . . . . . . . . . .384
Maintenance (vehicle ).. . . . . . . ..382
Reconnecting . . . . . . . . . . . . . . . . .386
Removing the battery . . . . . . . . . . .385
Vehicle battery . . . . . . . . . . . . . . . .382
Voltage (on-board computer) . . . . .220
Belt force limiters
Activatio n.. . . . . . . . . . . . . . . . . . . .37
Belt tensioners
Activation . . . . . . . . . . . . . . . . . . . . .37
Belt warning . . . . . . . . . . . . . . . . . . . .193
Blind see Roller sunblind
Blind Spot Assist . . . . . . . . . . . . . . . .260
Activating/deactivating (on-
board computer) . . . . . . . . . . . . . .224
Display message . . . . . . . . . . . . . .329
Indicator lamp . . . . . . . . . . . . . . . .350
Warning lamp . . . . . . . . . . . . . . . . .350
Bluetooth ®
Authorising devices . . . . . . . . . . . .107
External authorisation . . . . . . . . . .109
Interface . . . . . . . . . . . .106, 109, 112
Telephony . . . . . . . . . . . . . . .106, 112
Bluetooth ®
telephony
Menu overview . . . . . . . . . . . . . . . .110
Bonnet
Bonnet catch . . . . . . . . . . . . . . . . .292
Display message . . . . . . . . . . . . . .330
Opening/closing . . . . . . . . . . . . . .292
Bonnet release lever
Release lever . . . . . . . . . . . . . . . . .292
Boot
Automatic opening . . . . . . . .181, 182
Emergency release . . . . . . . . . . . . .366
Limiting the opening angl e.. . . . ..168
Locking separatel y.. . . . . . . . . . ..181
Boot lid
Display message . . . . . . . . . . . . . .330
Opening/closing . . . . . . . . . . . . . .180
Boot lid opening limiter . . . . . . . . ..168 Index
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Fuse box
Dashboard . . . . . . . . . . . . . . . . . . .389
Engine compartment . . . . . . . . . . .390
Rea r.. . . . . . . . . . . . . . . . . . . . . . .390
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . .389 G
Garage door Opening/closing (with the remote
control) . . . . . . . . . . . . . . . . . . . . .286
Garage door opener . . . . . . . . . . . . ..285
Clearing the memory . . . . . . . . . . .286
Frequencies . . . . . . . . . . . . . . . . . .408
Programming the remote control . .285
Gear indicator . . . . . . . . . . . . . . . . . .208
Gear indicator (on-board computer) 220
Genuine Mercedes-Benz parts . . . ..394
Glove compartment . . . . . . . . . . . . ..276 H
Hands-free system Switching on/off . . . . . . . . . . . . . .114
Switching to the mobile phone . . .116
Headlamp cleaning system . . . . . ..295
Headlamps Cleaning . . . . . . . . . . . . . . . . . . . . .309
Cleaning system . . . . . . . . . . . . . . .197
Misting up . . . . . . . . . . . . . . . . . . .360
Head restraints
Rear compartment . . . . . . . . . . . . .186
Heating
see Air conditioning
High-pressure cleaners . . . . . . . . . ..308
Hill start assist . . . . . . . . . . . . . . . . .204
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . .245
Display message . . . . . . . . . . . . . .322
HomeLink ®
see Garage door opener I
Immobiliser . . . . . . . . . . . . . . . . . . . . .54
Indicator and warning lamp Automatic child seat recognition
(malfunction ).. . . . . . . . . . . . . . . .350
Brakes (red ).. . . . . . . . . . . . .352, 354
Brakes (yellow) . . . . . . . . . . . . . . . .354 Engine diagnostics . . . . . . . . . . . .
.354
ESP ®
. . . . . . . . . . . . . . . . . . . . . . .352
PASSENGER AIRBAG OFF . . . .44, 350
Reserve fuel . . . . . . . . . . . . . . . . . .356
Seat belt . . . . . . . . . . . . . . . . . . . . .355
SRS . . . . . . . . . . . . . . . . . . . . .37, 353
Indicator lamp
Display message . . . . . . . . . . . . . .344
see Indicator and warning lamp . . .351
Instrument cluster . . . . . . . . . . . . ..212
Overview . . . . . . . . . . . . . . . . . . . . .27
Intelligent Light System . . . . . . . . ..197
Display message . . . . . . . . . .323, 346
Menu (on-board computer) . . . . . .225
Tourist mode . . . . . . . . . . . . . . . . .225
Interior lighting
Ambient light (COMAND) . . . . . . . .166
Automatic control system . . . . . . .199
Emergency lighting . . . . . . . . . . . .199
Interior lighting . . . . . . . . . . . . . . . .166
Manual control . . . . . . . . . . . . . . . .198
Reading lamp . . . . . . . . . . . . . . . . .198
Interior motion sensor . . . . . . ..55, 167
ISOFIX child seat securing system ..47 J
Jack Operation . . . . . . . . . . . . . . . . . . . .378
Storage location . . . . . . . . . . . . . . .315
Jump-starting . . . . . . . . . . . . . . . . . . .384
Jump leads . . . . . . . . . . . . . . . . . . .384 K
Key . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Checking the battery . . . . . . . . . . .367
Convenience closing . . . . . . . . . . .201
Convenience opening . . . . . . . . . . .201
Display message . . . . . . . . . . . . . .340
Loss . . . . . . . . . . . . . . . . . . . . . . . .363
Malfunction . . . . . . . . . . . . . . . . . .362
Modifying the programming . . . . . .179
KEYLESS GO
Button . . . . . . . . . . . . . . . . . . . . . .182
Changing the battery . . . . . . . . . . .368
Checking the battery . . . . . . . . . . .367
Convenience closing . . . . . . . . . . .202 10
Index 216_AKB; 2; 3, en-GB
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Engine
Problem
Possible causes/consequences and
X XSolutions The engine will not
start. You can hear the
starter motor operat-
ing. R
There is a malfunction in the engine electronics.
R There is a malfunction in the fuel supply.
R The on-board voltage is too low because the starter battery is
too weak or discharged.
X Before the next start attempt, turn the key back to position 0
(Y page 182) in the ignition lock or press the Start/Stop but-
ton* until all the indicator lights in the instrument cluster have
gone out.
X Try to start the engine again (Y page 202). When doing so,
remember that excessively long and frequent attempts to start
the engine will drain the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. The engine will not
start. You cannot hear
the starter motor. The on-board voltage is too low because the starter battery is too
weak or discharged.
X
Jump-start the vehicle (Y page 384).
If the engine does not start despite attempting to jump-start it:
X Consult a qualified specialist workshop. The starter motor was exposed to a thermal load that was too high.
X
Allow the starter motor to cool down for approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult a qualified specialist workshop. The engine is not run-
ning smoothly and is
misfiring. There is a malfunction in the engine electronics or a mechanical
component of the engine control unit.
X
Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at a qualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it. 358
TroubleshootingPractical advice
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Problem
Possible causes/consequences and
X
X Solutions You can no longer lock
or unlock the vehicle
using KEYLESS GO*.
KEYLESS GO* is in standby mode because the vehicle has not
been unlocked for an extended period.
X
Pull the door handle twice and then insert the key into the igni-
tion lock. KEYLESS GO* is malfunctioning.
X
Lock or unlock the vehicle using the remote control function of
the key. To do this, point the tip of the key at the driver's door
handle from close range and try to open the vehicle again.
X Have the key checked at a qualified specialist workshop. There is interference from a powerful source of radio waves.
X
Unlock the vehicle using the emergency key element
(Y page 366). You have lost a key.
X
Have the 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. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. The engine cannot be
started using the key. The on-board voltage is too low.
X Remove the key and reinsert it into the ignition lock.
X Start the engine within 30 seconds of inserting the key in the
ignition lock.
X Repeat if necessary.
If the engine does not start after several attempts:
X Check the starter battery and recharge it if necessary
(Y page 382).
or
X Jump-start the vehicle (Y page 384).
or
X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS
GO*. The key is in the
vehicle. A door is open. Therefore, the key cannot be detected as easily.
X
Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle using the key in the ignition lock. Troubleshooting
363Practical advice
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ers. The vehicle will then use very little
energy, thus conserving the battery.
i If the battery is discharged, you must use
the emergency key element to unlock the
vehicle. Charging the battery
G
Risk of injury
Only charge the installed battery using a
Mercedes-Benz approved battery charger.
Otherwise, the vehicle's electronic system
may be damaged. Only charge the battery in
a well-ventilated area. As the battery is being
charged, gases can escape and generate
minor explosions. This could injure you and
other persons or cause damage to the paint-
work or acid corrosion on the vehicle.
You can obtain information about battery
chargers which allow the battery to be
charged while still installed from a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. G
Risk of injury
There is a risk of acid burns during the charg-
ing process due to the gases which escape
from the battery. Do not lean over the battery
during the charging process.
X Use the electric parking brake to secure the
vehicle and use the DIRECT SELECT lever
to set the transmission to P.
X Switch off all electrical consumers.
X Turn the key to position 0in the ignition
lock and remove it.
X Open the bonnet.
X Check that the breather hose is fitted and
that there is a cell cap on the opposite side
of the battery.
X Remove the cover from the positive termi-
nal.
X Connect the positive clamp of the battery
charger to the positive terminal of the bat-
tery. X
Connect the negative clamp of the battery
charger to the vehicle's earth point.
X Charge the battery. Observe the notes in
the operating instructions for your battery
charger.
X Disconnect the battery charger after charg-
ing.
X Attach the positive terminal cover.
X Close the bonnet. Jump-starting
If your vehicle's battery is discharged, the
engine can be jump-started from another
vehicle or from an external battery using jump
leads.
Observe the following points:
R jump-starting may only be performed when
the engine and catalytic converter are cold.
R do not start the engine if the battery is fro-
zen. Let the battery thaw first.
R jump-starting may only be performed from
batteries with a nominal voltage of 12 V.
R only use jump leads which have a sufficient
cross-section and insulated terminal
clamps.
i Jump leads and further information about
jump-starting can be obtained from any
Mercedes-Benz Service Centre.
! Avoid repeated and lengthy starting
attempts.
Never start the vehicle using a rapid battery
charger. G
Risk of injury
There is a risk of acid burns when jump-start-
ing a vehicle due to the gases which escape
from the battery. Do not lean over the battery
while the engine is being jump-started. 384
BatteryPractical advice
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G
Risk of explosion
Gases escaping from the battery during jump-
starting may cause minor explosions. Avoid
creating sparks. Keep naked flames away
from the battery, and do not smoke.
Comply with safety precautions and take pro-
tective measures when handling batteries.
You will find these under "Battery" in the
index. X
Make sure that the two vehicles do not
touch.
X Secure the vehicle by applying the electric
parking brake.
X Move the DIRECT SELECT lever to P.
X Switch off all electrical consumers (e.g.
radio, blower, etc.).
X Open the bonnet (Y page 292). X
Remove the cover from positive termi-
nal :.
X Connect positive terminal :on your vehi-
cle to positive terminal ;of donor battery
A using the jump lead, beginning with your
own battery.
X Start the engine of the donor vehicle and
run it at idling speed.
X Connect negative terminal =of donor bat-
tery Ato earth point ?of your vehicle
using the jump lead, connecting the jump
lead to donor battery Afirst.
X Start the engine.
X First, remove the jump lead from earth
point ?and negative terminal =, then
from positive terminal :and positive ter- minal
;, each time disconnecting from the
battery on your own vehicle first.
X Have the battery checked at a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Disconnecting and removing the bat-
tery
G
Risk of accident
If the battery is disconnected:
R the brake boosting effect will not be avail-
able. Greater braking force will then be
required and brake pedal travel will be lon- Battery
385Practical advice
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If you tow or tow-start another vehicle, its
weight must not exceed the maximum per-
missible gross vehicle weight of your vehicle. G
Risk of accident
The vehicle is braked when Hold or Distronic
Plus* is activated. Therefore, deactivate
HOLD and Distronic Plus if the vehicle is to be
towed.
It is better to have the vehicle transported
than to have it towed.
When towing, observe the legal requirements
in all countries concerned.
! Make sure that the electric parking brake
is released. If the electric parking brake is
faulty, consult a qualified specialist work-
shop. Mercedes-Benz recommends that
you use a Mercedes-Benz Service Centre.
! When towing, pull away slowly and with-
out jerking. If the tractive power is too high,
the vehicles could be damaged.
! Do not use the towing eye for recovery,
as this could damage the vehicle. If in
doubt, recover the vehicle with a crane.
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/h must
not be exceeded.
For towing distances over 50 km, the entire
vehicle must be lifted up and transported.
! On vehicles with KEYLESS GO*, use the
key instead of the Start/Stop button. Turn
the key to position 2in the ignition lock and
set the automatic transmission to N. Then
turn the key back to 0and leave it in the
ignition lock.
! Only secure the tow cable or towing bar
to the towing eyes. You could otherwise
damage the vehicle. R
Tow-starting the vehicle is not permitted.
R Vehicles with 4MATIC* must not be towed
with the front or rear axle raised.
R If the engine does not start, try jump-start-
ing it (Y page 384).
R If it is not possible to jump-start the vehicle,
have it towed to the nearest qualified spe-
cialist workshop, e.g. a Mercedes-Benz
Service Centre.
R If the vehicle has suffered transmission
damage, only tow it with the propeller shaft
disconnected.
R The automatic transmission DIRECT
SELECT lever must be in the Nposition
when towing the vehicle.
R The ignition must be switched off if you are
towing the vehicle with the front/rear axle
raised. Otherwise, intervention by ESP ®
could damage the brake system.
R Before towing the vehicle, make sure that
the battery is connected and charged. Oth-
erwise:
- you cannot switch on the ignition.
- you cannot move the DIRECT SELECT
lever to N.
- you have no support when braking.
R On vehicles with KEYLESS GO*, use the key
instead of the Start/Stop button
(Y page 182).
i Switch off the automatic locking feature
before the vehicle is towed (Y page 167).
Otherwise, you could be locked out when
pushing or towing the vehicle. Towing and tow-starting
387Practical advice
* optional
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