Maintenance and care
......................280
Engine compartment ........................... 280
ASSYST PLUS ...................................... 284
Care ..................................................... 286 Breakdown assistance
.....................293
Where will I find...? .............................. 293
Flat tyre ............................................... 294
Battery (vehicle) .................................. 299
Jump-starting ....................................... 301
Towing away and tow-starting ............. 304
Electrical fuses ................................... .308 Wheels and tyres
.............................. 310
Important safety notes ........................ 310
Operation ............................................ 310
Winter operation .................................. 312
Tyre pressure ....................................... 313
Changing a wheel ................................ 318
Wheel and tyre combinations .............. 323
Emergency spare wheel ....................... 323 Technical data
................................... 325
Information on technical data .............. 325
Vehicle electronics .............................. 325
Identification plates ............................ .326
Service products and filling capaci-
ties ...................................................... 327
Vehicle data ......................................... 333
Trailer tow hitch ................................... 334 Contents
3
Important safety notes .................. 126
Problem (display message) ............ 130
Setting the departure time .............1
28
Auxiliary ventilation
Activating/deactivating ................. 127
Activating/deactivating (on the
centre console ).............................. 127
Remote control .............................. 127
Axle load, permissible (trailer tow-
ing) ...................................................... 334 B
Back button ....................................... 260
Ball coupling
Folding in ....................................... 197
Folding in/out ................................ 197
Folding out ..................................... 197
BAS (Brake Assist System) ................. 66
Battery (key)
Checking .......................................... 79
Important safety notes .................... 79
Replacing ......................................... 79
Battery (vehicle)
Charging ........................................ 301
Display message ............................ 232
Important safety notes .................. 299
Jump starting ................................. 301
Belt
see Seat belts
Belt tensioner
Activation ......................................... 51
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 209
Display message ............................ 235
Notes/function .............................. 192
Trailer towing ................................. 193
Blootooth ®
Connecting a different mobile
phone ............................................ 263
Bluetooth ®
Searching for a mobile phone ........ 263
See also Digital Owner's Manua l... 259
Telephony ...................................... 262
Bonnet
Active bonnet (pedestrian protec-tion) ............................................... 280 Closing ........................................... 282
Display message ............................ 244
Important safety notes .................. 280
Opening ......................................... 281
Boot
Emergency release .......................... 88
Important safety notes .................... 86
Opening (automatically from out-
side) ................................................. 87
Opening (from outside the vehi-
cle, HANDS-FREE ACCESS) .............. 87
Opening automatically from
inside ............................................... 88
Opening/closing (manually from
outside) ............................................ 86
Boot lid
Display message ............................ 244
Opening dimensions ...................... 333
Boot load (maximum) ........................ 333
Brake
EBD .................................................. 72
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 223
Notes ............................................. 331
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamp
Replacing bulb s............................. 113
Brake lamps
Adaptive ........................................... 69
Display message ............................ 229
Brakes
ABS .................................................. 66
BAS .................................................. 66
Brake fluid (notes) ......................... 331
Braking assistance appropriate to
the situation ..................................... 68
Display message ............................ 217
Driving tip s.................................... 160
Hill start assist ............................... 136
HOLD function ............................... 172
Important safety notes .................. 160
Parking brake ................................ 157
Warning lamp ................................. 249 6
Index
Fuel ................................................ 159
General .......................................... 159
Icy road surfaces ........................... 162
Limited braking efficiency on sal-
ted roads ....................................... 161
New brake pads/linings ................ 161
Running-in tips ............................... 132
Snow chains .................................. 313
Symmetrical dipped bea m............. 107
The first 1500 km .......................... 132
Towing a trailer .............................. 196
Wet road surface ........................... 161
DVD video
Operating (on-board computer) ..... 206
See also Digital Owner's Manua l... 259
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) .................................................... 141
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) ................. 141
DYNAMIC SELECT switch
Climate control (air conditioning) .. 119
Climate control
(THERMOTRONIC) .......................... 120 E
EBD (electronic brake force distri-
bution)
Display message ............................ 219
Function/note s................................ 72
ECO display
Function/note s............................. 159
On-board computer ....................... 204
ECO start/stop function
Automatic engine start .................. 138
Automatic engine switch-off .......... 137
Deactivating/activating ................. 138
General information ....................... 137
Important safety notes .................. 137
Introduction ................................... 137
Electromagnetic compatibility
Declaration of conformity ................ 26
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 53 Emergency key
Unlocking the driver's door .............. 85
Emergency key element
Function/note s................................ 78
Inserting .......................................... 79
Locking vehicle ................................ 85
Removing ......................................... 79
Emergency release
Driver's door .................................... 85
Emergency spare wheel
General notes ................................ 324
Important safety notes .................. 323
Removing ....................................... 324
Emergency unlocking
Boot ................................................. 88
Vehicle ............................................. 85
Engine
Display message ............................ 231
ECO start/stop function ................ 137
Engine number ............................... 327
Jump-starting ................................. 301
Running irregularly ......................... 139
Starting (important safety notes )... 134
Starting problems .......................... 139
Starting the engine with the key .... 135
Starting with the Start/Stop but-
ton ................................................. 135
Stopping ........................................ 156
Tow-starting (vehicle) ..................... 307
Warning lamp (engine diagnos-
tics) ............................................... 255
Engine electronics
Notes ............................................. 325
Problem (fault) ............................... 139
Engine jump starting
see Jump starting (engine)
Engine oil
Additives ........................................ 331
Checking the oil level ..................... 282
Checking the oil level using the
dipstick .......................................... 282
Display message ............................ 233
Filling capacity ............................... 331
Notes about oil grade s................... 330
Notes on oil level/consumption .... 282
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 213
Topping up ..................................... 283 10
Index
ISOFIX child seat securing system
.... 55J
Jack Declaration of conformity ................ 26
Storage location ............................ 294
Using ............................................ .320
Jump starting (engine) ......................301 K
Key Changing the battery ....................... 79
Checking the battery ....................... 79
Convenience closing feature ............ 90
Convenience opening feature .......... 90
Display message ............................ 246
Door central locking/unlocking ....... 76
Emergency key element ................... 78
Important safety notes .................... 76
KEYLESS-GO start function .............. 78
Loss ................................................. 81
Modifying the programming ............. 78
Positions (ignition lock) ................. 133
Problem (malfunction) ..................... 81
Starting the engine ........................ 135
Key positions
Start/Stop button .......................... 133
Key positions (ignition lock) ............ 133
KEYLESS-GO
Convenience closing ........................ 90
Deactivation ..................................... 77
Locking ............................................ 77
Unlocking ......................................... 77
Kickdown
Driving tips ................................... .148
Manual gearshifting ....................... 152
Kneebag ............................................... 46 L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 209
Display message ............................ 235
Function/informatio n.................... 193 Lane package
..................................... 191
Lap time (RACETIMER) ...................... 214
Lashing eyelets ................................. 272
Licence plate lamp (display mes-
sage) ................................................... 229
Light sensor (display message) ....... 230
Lighting
see Lights
Lights
Adaptive Highbeam Assist ............. 109
Automatic headlamp mod e............ 107
Dipped-beam headlamp s............... 108
Driving abroad ............................... 107
Hazard warning lamps ................... 109
Headlamp flashe r........................... 109
Headlamp rang e............................ 108
Light switch ................................... 107
Main-beam headlamp s................... 109
Misted up headlamp s.................... 110
Parking lamps ................................ 108
Rear foglamp ................................. 108
Setting exterior lighting ................. 107
Side lamps ..................................... 108
Switching the daytime driving
lights on/off (on-board com-
puter) ............................................. 211
Turn signals ................................... 109
LIM indicator lamp
Cruise control ................................ 163
Distance Pilot DISTRONIC ............. 168
Variable limite r.............................. 165
Limiter
Calling up the speed ...................... 166
Deactivating, variable .................... 166
Function/note s............................. 165
LIM indicator lamp ......................... 165
Permanent ..................................... 166
Setting a speed .............................. 166
Storing the current speed .............. 166
Switching to passive ...................... 166
Variabl e......................................... 165
Limiting the speed
Speed limiter ................................. 165
Loading guidelines ............................ 268
Locking
see Central locking Index
13
Problem
Possible causes/consequences and
M
MSolutions There is a fault with KEYLESS-GO.
X Lock or unlock the vehicle using the remote control function of the
key.
X Have the vehicle and key checked at a qualified specialist work-
shop.
If the vehicle cannot be locked or unlocked even using the remote
control function:
X Unlock (Y page 85) or lock (Y page 85) the vehicle using the
emergency key element.
X Have the vehicle and key checked at a qualified specialist work-
shop. The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 301).
or X Jump-start the vehicle (Y page 301).
or X Consult a qualified specialist workshop. The engine cannot be
started using the Start/
Stop button. The key is in
the vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. The key battery is weak or discharged.
X Check the key battery (Y page 79) and replace if necessary
(Y page 79).
If this does not work: X Start your vehicle with the key in the ignition lock. There is interference from a powerful source of radio waves.
X Start your vehicle with the key in the ignition lock. You have lost a key. X
Have the key deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. 82
KeyOpening and closing
Problem
Possible causes/consequences and
M
MSolutions The engine does not
start. The starter motor
is turning audibly. The
reserve fuel warning
lamp is lit and the fuel
gauge display shows 0. The fuel tank is empty.
X Refuel the vehicle. The engine does not
start. The starter motor
is not turning audibly. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 301).
If the engine does not start despite attempts to jump-start it:
X Consult a qualified specialist workshop. The starter motor was exposed to excessively high thermal load.
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. Vehicles with a petrol
engine:
The engine is not running
smoothly and is misfir-
ing. The engine electronics or a mechanical component of the engine
management system are/is malfunctioning.
X Depress the accelerator pedal only slightly.
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it.
X Have the cause rectified immediately at a qualified specialist work-
shop. The coolant temperature
display is showing more
than 120 †. The coolant warning lamp may also
be on and a warning tone
may sound. The coolant level is too low. The coolant is too hot and the engine is not
being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 283). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolant level is correct, the engine radiator fan may be faulty. The
coolant is too hot and the engine is not being cooled sufficiently.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. 140
DrivingDriving and parking
X
Drive to the nearest qualified specialist work-
shop and have the tyre changed there.
X Have the tyre sealant bottle and the filler hose
replaced as soon as possible at a qualified
specialist workshop.
X Have the tyre sealant bottle replaced every
four years at a qualified specialist workshop. Battery (vehicle)
Important safety notes
Work on the battery, e.g. removing or fitting,
requires specialist knowledge and the use of
special tools. Therefore, always have work on
the battery carried out at a qualified specialist
workshop. G
WARNING
Work carried out incorrectly on the battery
can lead, for example, to a short circuit and
thus damage the vehicle electronics. This can lead to function restrictions applying to
safety-relevant systems, e.g the lighting sys-
tem, the ABS (anti-lock braking system) or the
ESP ®
(Electronic Stability Program). The oper-
ating safety of your vehicle may be restricted.
You could lose control of the vehicle, for
example:
R when braking
R in the event of abrupt steering manoeuvres
and/or when the vehicle's speed is not
adapted to the road conditions
There is a risk of an accident.
In the event of a short circuit or a similar inci- dent, contact a qualified specialist workshop
immediately. Do not drive any further. Always have work on the battery carried out at a
qualified specialist workshop.
Further information about ABS (Y page 66) and
ESP ®
(Y page 69). G
WARNING
Electrostatic build-up can lead to the creation of sparks, which could ignite the highly explo-
sive gases of a battery. There is a risk of an
explosion. Before handling the battery, touch the vehicle
body to remove any existing electrostatic
build-up.
The highly flammable gas mixture is created
while the battery is charging and when jump-
starting.
Always make sure that neither you nor the bat-
tery is electrostatically charged. Electrostatic
charge is created, for example:
R by wearing synthetic-fibre clothing
R by friction between clothing and the seat
R if you pull or push the battery across carpet or
other synthetic materials
R if you rub the battery with a cloth G
WARNING
During the charging process, a battery produ- ces hydrogen gas. If a short circuit occurs or
sparks are created, the hydrogen gas can
ignite. There is a risk of an explosion.
R Make sure that the positive terminal of a
connected battery does not come into con-
tact with vehicle parts.
R Never place metal objects or tools on a bat-
tery.
R It is important that you observe the descri-
bed order of the battery terminals when
connecting and disconnecting a battery.
R When jump-starting, make sure that the
battery poles with identical polarity are
connected.
R It is particularly important to observe the
described order when connecting and dis-
connecting the jump leads.
R Never connect or disconnect the battery
terminals while the engine is running. G
WARNING
Battery acid is caustic. There is a risk of injury. Avoid contact with the skin, eyes or clothing.
Do not breathe in any battery gases. Do not
lean over the battery. Keep the batteries out
of the reach of children. Immediately rinse off
battery acid thoroughly with plenty of clean
water and seek medical attention at once. Battery (vehicle)
299Breakdown assistance Z
vehicle will then use very little energy, thus con-
serving battery power.
If the power supply has been interrupted, e.g. if
the battery was discharged, you will have to:
R set the clock using the multimedia system;
see the separate operating instructions.
R reset the function for folding the exterior mir-
rors in/out automatically, by folding the mir-
rors out once (Y page 104) Charging the battery
G
WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a risk of an explosion.
Particularly avoid fire, naked flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery. G
WARNING
Battery acid is caustic. There is a risk of injury. Avoid contact with the skin, eyes or clothing.
Do not breathe in any battery gases. Do not
lean over the battery. Keep the batteries out
of the reach of children. Immediately rinse off
battery acid thoroughly with plenty of clean
water and seek medical attention at once. G
WARNING
A discharged battery can freeze at tempera-
tures below freezing point. When jump-start-
ing the vehicle or charging the battery, gases can escape from the battery. There is a risk of
an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
! Only use battery chargers with a maximum
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 (Y page 301).
X Open the bonnet.
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 301).
If the indicator/warning lamps do not light up in
the instrument cluster at low temperatures, it is very likely that the discharged battery has fro-
zen. In this case, you may neither jump-start the
vehicle nor charge the battery. The service life of a battery that has been thawed may be reduced. The starting characteristics may be impaired,
especially at low temperatures. Have the
thawed battery checked at a qualified specialist workshop.
Only charge the installed battery with a battery
charger which has been tested and approved byMercedes-Benz. A battery charger unit specially
adapted for Mercedes-Benz vehicles and tested
and approved by Mercedes-Benz is available as an accessory. This device permits charging of
the battery while it is installed. Contact a
Mercedes-Benz Service Centre for information
and availability. Read the battery charger's
operating instructions before charging the bat-
tery. Jump-starting
For the jump-starting procedure, use only the jump-starting connection point, consisting of a pos- itive terminal and an earth point, in the engine compartment. G
WARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Do not breathe in any battery gases. Do not lean over the battery. Keep the batteries out of the reach of children. Immediately rinse off battery acid
thoroughly with plenty of clean water and seek medical attention at once. Jump-starting
301Breakdown assistance Z