ASSYS
TPLUS
see ASSYS TPLUS service interval
display
ASSYST PLUS servic einterval dis-
play Displaying service messages .........285
Hiding service messages ...............285
Notes ............................................. 285
Service messages ..........................284
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................68
ATA (Anti-Theft Alarm system) .........68
Function .......................................... .68
Interior motion sensor .....................69
Switching off the alarm ....................68
Tow-awa yprotectio n........................ 68
ATTENTIO NASSIST
Activating/deactivating .................224
Display message ............................ 244
Function/notes ............................. 194
Audio menu (on-board computer) ....219
AUTO lights Display message ............................ 241
see Lights
Automatic engine start (ECO start/
stop function) .................................... 151
Automatic engine switch-off (ECO
start/stop function) ..........................150
Automatic headlamp mode ..............115
Automatic transmission Accelerator pedal position .............155
Automatic drive program ...............157
Changing gea r............................... 155
Display message ............................ 250
Driving tips .................................... 155
Emergency running mode ..............160
Kickdow n....................................... 156
Manual drive program ....................158
Problem (fault) ............................... 160
Progra mselecto rbutton ................ 156
Pulling away ................................... 149
Releasing the parking lock man-
ually ............................................... 160
Selector leve r................................ 154
Shift range s................................... 157
Starting the engine ........................148
Steering wheel gearshift paddle s... 157
Trailer towing ................................. 156Transmissio
nposition display ........155
Transmissio npositions .................. 155
Automatic transmission emer-
gency runnin gmode ......................... 160
Auxiliary heating Activating/deactivating .................138
Activating/deactivating (on the
centre console ).............................. 138
Display message ............................ 252
Important safety notes ..................137
Problem (display message) ............141
Remote control .............................. 138
Setting ........................................... 229
Setting the departur etime ............ .139
Auxiliary ventilation
Activating/deactivating .................138
Activating/deactivating (on the
centre console ).............................. 138
Problem (display message) ............141
Remote control .............................. 138
Axl eload, permissible (traile rtow-
ing) ...................................................... 345 B
Ba gh ook ............................................ 268
Ball coupling Folding in ....................................... 208
Folding out ..................................... 206
BAS (Brake Assist System) .................62
Basic settings see Settings
BAS PLU S(Brake Assist System
PLUS) .................................................... 62
Battery (key) Checking .......................................... 74
Important safety notes ....................74
Replacing ......................................... 75
Battery (vehicle)
Charging ........................................ 308
Connecting .................................... 308
Disconnecting ................................ 307
Display message ............................ 243
Important safety notes ..................305
Jump starting ................................. 309
Location ......................................... 307
Removing/fitting ........................... 308 Index
5
Engine diagnostics
.........................260
Fuel tank ........................................ 260
Indicator lamps
Display message ............................ 239
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 28
Settings ......................................... 225
Warning and indicator lamps ...........30
Instrument cluster lighting ................28
Instrument lighting see Instrument cluster lighting
Intelligen tLight System
Activating/deactivatin g................. 226
Display message ............................ 241
Setting the dipped-bea mhead-
lamps for driving on the right/left .227
Interior lighting
Automatic control system ..............120
Delayeds witch-off (on-board
computer) ...................................... 228
Emergency lighting ........................121
Manual control ............................... 121
Overview ........................................ 120
Reading lamp ................................. 120
see Interior lighting
Interior motio nsensor ........................ 69
ISOFIXc hild seat securing system ....54 J
Jack Storage location ............................ 295
Using ............................................. 302
Jump starting (engine) ......................309 K
Key Changing the battery .......................75
Checking the battery .......................74
Convenience closing feature ............84
Convenience opening feature ..........83
Display message ............................ 253
Door central locking/unlocking .......72
Emergency key element ................... 74 Loss
................................................. 76
Modifying the programming .............73
Opening/closing soft top .................87
Positions (ignition lock) .................147
Problem (malfunction) .....................76
Starting the engine ........................148
KEYLESS-GO
Convenience closing ........................84
Display message ............................ 253
Locking ............................................ 73
Start/Stop button .......................... 147
Starting the engine ........................149
Unlocking ......................................... 73
Keyp ositions
Key ................................................ 147
KEYLESS GO .................................. 147
Kickdown
Driving tips .................................... 156
Manual drive program ....................159
Kneebag ............................................... 42 L
Lamps see Warning and indicator lamps
Lane-chang eassistant
see Blind Spot Assist
Lane Keepin gAssist
Activating/deactivating .................224
Display message ............................ 245
Function/informatio n.................... 198
Lane package ..................................... 196
Lashing eyelets ................................. 267
Licenc eplate lamp (display mes-
sage) ................................................... 240
Lighting see Lights
Lights
Activating/deactivating the Intel-
ligent Ligh tSystem ........................ 226
Activating/deactivating the inte-
rior lighting delayed switch-off .......228
Active light function .......................118
Automatic headlamp mode ............115
Cornering light function .................118
Dipped-bea mheadlamps ............... 115
Display message ............................ 238
Driving abroad ............................... 11412
Index
Problem Possible causes/consequences and
M Solutions
The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it into the ignition lock.
X Check the starter battery and charge it if necessary
(Y page 305).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 305).
or
X Jump-start the vehicle (Y page 309).
or
X Consult aqualified specialist workshop. Doors
Important safety notes
G
WARNING
Only for the United Kingdom: if the vehicle
has been locked with the key, the double lock
function is activated as standard. It is then not
possible to open the doors from inside the
vehicle.
Therefore, do not leave any people behind in
the vehicle, particularly children, elderly peo-
ple or people in need of special assistance if
the vehicle has been locked with the key. As
ar esult, they may not be able to free them-
selves in the event of an emergency. As a
result, they could be seriously or even fatally
injured by prolonged exposure to extremely
high or low temperatures, for example. In this
case, rescuing people from outside the vehi-
cle is difficult.
Deactivat ethe interior motion sensor before
you lock the vehicle with the key. The doors
can then be opened from the inside after the vehicle has been locked from the outside with
the key.
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open adoor from inside the vehicle at any
time, even if it has been locked
R start the vehicle using akey which has been
left in the vehicle
R release the parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Always take the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. Unlocking and opening the doors
from the inside
For all countries except the United King-
dom: you can open adoor from inside the
vehicle even if it has been locked. Doors
77Opening and closing Z
Problems with the engine
Problem Possible causes/consequences and
M Solutions
The engine does not
start. The HOLD function or DISTRONIC PLUS is activated.
X
Deactivat ethe HOLD function (Y page 184) or DISTRONIC
PLUS (Y page 171).
X Try to start the engine again. The engine does not
start. The starter motor
can be heard. R
There is amalfunction in the engine electronics.
R There is amalfunction in the fuel supply.
X Before attempting to start the engine again, turn the key in the
ignition back to position 0or press the Start/Stop button
repeatedly until all indicator lamps in the instrumen tcluster go
out.
X Try to start the engine again (Y page 148). Avoid excessively
long and frequent attempt stostart the engine, as this will drain
the battery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop, e.g. aMercedes-Benz
Servic eCentre. The engine does not
start
.The starter motor
can be heard. The
reserve fuel warning
lamp is lit and the fuel
gauge displays hows0. The fuel tank is empty.
X
Refuel the vehicle. The engine does not
start. You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak
or discharged.
X
Jump-start the vehicle (Y page 309).
If the engine does not start despite attemptstoj ump-start it:
X Consult aqualified specialist workshop, e.g. aMercedes-Benz
Service Centre. The starter motor was exposed to
athermal 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 aqualified specialist workshop, e.g. aMercedes-Benz
Service Centre. 152
DrivingDriving and parking
Useful information
............................294
Wher ewillIfind...? ........................... 294
Flat tyre ............................................. 296
Battery ............................................... 305
Jump-starting .................................... 309
Towing and tow-starting ..................310
Electrical fuses ................................. 313 293Breakdown assistance
Removing/fitting the battery
X To remove: disconnect the battery
(Y page 307).
X Loosen the bol twhich holds the battery in
place.
X Remove the battery.
X To fit: follow the steps described in "To
remove" in reverse order. Reconnecting the battery
! Always connect the battery in the order
described below. Never swap the terminal
clamps. You may otherwise damage the
vehicle electronics.
X Switch off all electrical consumers (e.g.
radio, blower, etc.).
X Connect the positive terminal clamp and
secure the cover.
X Connect the negative terminal clamp.
X Put the filter box back in place, then clip in
and close the retaining clamps.
X Close the bonnet.
i If the power supply has been interrupted,
e.g. if the battery has been reconnected,
you must carry out the following tasks:
R set the clock (Y page 226).
R reset the function for automatically fold-
ing the exterior mirrors in/out by folding
the mirrors out once (Y page 110).Charging the battery
G
WARNING
Only charge the battery in awell-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 paintwork or acid cor-
rosion on the vehicle.
You can obtain information about battery
chargers which allow the battery to be charged while still installed from
aqualified
specialist workshop, e.g. aMercedes-Benz
Service Centre. G
WARNING
There is arisk 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 chargin gprocess. G
WARNING
Battery acid is caustic. Avoid contact with the
skin ,eyes or clothing.
! Only charge the installed batter ywith a
batter ycharger which has been tested and
approved by Mercedes-Benz .These battery
chargers allow the battery to be charged
while still installed.
! Only use battery chargers with amaxi-
mum charging voltage of 14.8 V.
! Only charge the battery using the jump-
start connection point.
The jump-starting connection point is in the
engine compartment( Ypage 309).
X Open the bonnet (Y page 281).
X Connect the battery charger to the positive
terminal and earth point in the same order
as when connecting the donor battery in
the jump-starting procedure
(Y page 309).
X Read the battery charger's operating
instructions before charging the battery. 308
BatteryBreakdown assistance
Jump-starting
G
WARNING
There is arisk of acid burns when jump-starting avehicle due to the gases which escape from
the battery. Do not lean over the battery while the engine is being jump-started. G
WARNING
Gases escaping from the battery during jump-starting may cause minor explosions. Avoid cre-
ating sparks. Keep naked flames away from the battery, and do not smoke.
Comply with safety precautions when handling batteries. You will find these under "Battery" in
the index.
! Avoid repeated and lengthy startinga ttempts. Otherwise, non-combusted fuel may dam-
age the catalytic converter 22
and create arisk of fire.
Do not use arapid-charging device to start the engine.
Make sure the jump leads are not damaged.
Make sure the jump leads are not touching any other metal objectsw hen they are connected
to the battery.
If your vehicle's battery is discharged, the engine can be jump-started from another vehicle
or from asecond battery using jump leads.
Observe the following points:
X The battery is not accessible in all vehicles. If the other vehicle's battery is not accessible,
jump-start the vehicle using asecond battery or ajump-starting device.
X Only jump-start th evehicl ewhen th eengineisc olda nd th ecatalyti cconverter system has
cooled down 23
.
X Do not start the engine if the battery is frozen. Let the battery thaw first.
X Jump-starting may only be performed from batteries with anominal voltage of 12 V.
X Only use jump leads which have asufficient cross-section and insulated terminal clamps.
X Make sure that the jump leads cannot come into contact with parts, such as the pulley or
the fan. These parts move when the engine is started and while it is running.
X If the battery is fully discharged, leave the battery that is being used to jump-start connected
for afew minutes before attempting to start.T his charges the empty batteryalittle.
i Jump leads and further information about jump-starting can be obtained from any
Mercedes-Ben zService Centre, for example.
X Make sure that the two vehicles do not touch.
X Apply the parking brake firmly.
X Manual transmission: engage neutral.
X Automatic transmission: move the selector lever toP.
X Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the bonnet (Y page 281).
22 Only vehicles with apetrol engine.
23 Only vehicles with apetrol engine. Jump-starting
309Breakdown assistance Z
Position number
Bidentifies the charged batter yofthe other vehicle or an equivalent jump-
starting device.
X Slide cover :of positive terminal ;in the direction of the arrow.
X Connec tpositive terminal ;on your vehicle to positive terminal =of donor battery B
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 battery Bto earth point Aof your vehicle using
the jump lead, connectingt he jump lead to donor battery Bfirst.
X Start the engine.
X Allow the engine to run for afew minutes before disconnecting the jump lead.
X First, remove the jump lead from earth point Aand negative terminal ?,then from positive
terminal ;and positive terminal =,each time disconnecting from the contacts on your
own vehicle first.
X After removing the jump lead, close cover :on positive terminal ;.
X Have the battery checked at aqualified specialist workshop, e.g. aMercedes-BenzS ervice
Centre. The jump-starting procedure is not astandard operatin gstate; therefore, have the
batter ychecked. Towing and tow-starting
Important safet
ynotes
Observe the legal requirements for the rele-
vant countries when towing and tow-starting. G
WARNING
If you tow the vehicle, you must use arigid
towing bar if: 310
Towing and tow-startingBreakdown assistance