
Ball couplingInstalling ........................................ 201
Removing ....................................... 205
BAS (Brake Assist System) ................. 61
Battery (SmartKey)
Checking .......................................... 74
Important safety notes .................... 74
Replacing ......................................... 74
Battery (vehicle)
Charging ........................................ 313
Display message ............................ 235
Important safety notes .................. 311
Jump starting ................................. 313
Overview ........................................ 311
Blind Spot Assist
Activating/deactivating ................. 214
Display message ............................ 240
Notes/function .............................. 191
Trailer towing ................................. 193
see Active Blind Spot Assist
Blootooth
®
Connecting a different mobile
phone ............................................ 268
BlueTEC
Adding DEF .................................... 142
BlueTEC (DEF) .................................... 355
Bluetooth
®
Searching for a mobile phone ........ 267
see also Digital Operator's Man-
ual .................................................. 263
Telephony ...................................... 266
Brake fluid
Display message ............................ 227
Notes ............................................. 356
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display message ............................ 233
Brakes
ABS .................................................. 61
Adaptive Brake Assist ...................... 63
BAS .................................................. 61
Brake fluid (notes) ......................... 356
Display message ............................ 222
Hill start assist ............................... 128
Important safety notes .................. 150 Maintenance .................................. 151
Parking brake ................................ 146
Riding tips ...................................... 150
Warning lamp ................................. 252
Breakdown
Where will I find...? ........................ 306
see Flat tire
see Towing away
Brightness control (instrument
cluster lighting) ................................... 33
C
California
Important notice for retail cus-
tomers and lessees .......................... 25
Calling up a malfunction
see Display messages
Care
360° camera ................................. 303
Car wash ........................................ 299
Carpets .......................................... 305
Display ........................................... 304
Exhaust pipe .................................. 303
Exterior lights ................................ 302
Gear or selector lever .................... 304
Interior ........................................... 304
Matte finish ................................... 301
Notes ............................................. 299
Paint .............................................. 301
Plastic trim .................................... 304
Power washer ................................ 300
Rear view camera .......................... 303
Roof lining ...................................... 305
Seat belt ........................................ 305
Seat cover ..................................... 305
Sensors ......................................... 303
Side running board ........................ 302
Steering wheel ............................... 304
Trim pieces .................................... 305
Washing by hand ........................... 300
Wheels ........................................... 301
Windows ........................................ 302
Wiper blades .................................. 302
Wooden trim .................................. 305
Cargo compartment enlargement
Important safety notes .................. 273
6Index

Central locking/unlocking
(SmartKey) .......................................71
Control panel .................................. .38
Display message ............................ 248
Emergency locking ........................... 78
Emergency unlocking ....................... 78
Important safety notes .................... 77
Opening (from inside) ...................... 77
Overview .......................................... 77
Power closing .................................. 78
Drinking and driving ......................... 149
Drive program
Automatic transmission ................. 135
SETUP (on-board computer) .......... 218
Drive programs
Display (DIRECT SELECT lever) ...... 134
Driver's door
see Doors
Driving
Important safety notes .................. 124
Driving abroad
Mercedes-Benz Service ................. 299
Driving Assistance PLUS package ... 194
Driving in mountainous terrain
Approach/departure angle ............ 156
Driving lamps
see Daytime running lamps
Driving off-road
see Off-road driving
Driving safety system
Active Brake Assist .......................... 62
Driving safety systems
ABS (Anti-lock Braking System) ....... 61
Active Brake Assist with cross-
traffic function ................................. 67
ADAPTIVE BRAKE ............................. 67
Adaptive Brake Assist ...................... 63
BAS (Brake Assist System) .............. 61
Distance warning function ............... 62
EBD (electronic brake force distri-
bution) ............................................. 66
ESP
®(Electronic Stability Pro-
gram) ............................................... 64
Important safety information ........... 60
Overview .......................................... 60
STEER CONTROL ............................. 69
Driving system
ADS PLUS ...................................... 170 AIRMATIC package ........................ 169
Distance Pilot DISTRONIC ............. 159
Distance
Pilot DISTRONIC w
ith
Steering Pilot ................................. 165
Parking assist PARKTRONIC .......... 174
Parking Pilot .................................. 177
Driving systems
360°camera .................................. 185
Active Blind Spot Assist ................. 194
Active Curve System ...................... 171
Active Lane Keeping Assist ............ 197
AMG adaptive sport suspension
system ........................................... 173
ATTENTION ASSIST ........................ 189
Blind Spot Assist ............................ 191
Cruise control ................................ 157
Display message ............................ 238
Driving Assistance Plus package ... 194
HOLD function ............................... 167
Lane Keeping Assist ...................... 193
Rear view camera .......................... 181
Traffic Sign Assist .......................... 190
Driving tips
Automatic transmission ................. 135
Brakes ........................................... 150
Break-in period .............................. 124
Distance Pilot DISTRONIC ............. 165
Downhill gradient ........................... 150
Drinking and driving ....................... 149
Driving in winter ............................. 153
Driving on flooded roads ................ 152
Driving on sand .............................. 155
Driving on wet roads ...................... 152
Driving over obstacles ................... 156
Exhaust check ............................... 149
Fuel ................................................ 148
General .......................................... 148
Hydroplaning ................................. 152
Icy road surfaces ........................... 153
Limited braking efficiency on sal-
ted roads ....................................... 151
Off-road driving .............................. 154
Off-road fording ............................. 152
Snow chains .................................. 323
The first 1000 miles (1500 km) ..... 124
Tire ruts ......................................... 155
Towing a trailer .............................. 200
Traveling uphill ............................... 156
Index9

XEstablish the electrical connection between
the vehicle and the trailer.
XCheck that the trailer lighting system is work-
ing.
XPush the combination switch upwards/down-wards and check whether the corresponding
turn signal on the trailer flashes.
A trailer that is connected is recognized only
when the electrical connection is established
correctly and when the lighting system is work-
ing properly. The function of other systems also
depends on this, for example:
RESP®
RParking Assist PARKTRONIC
RParking Pilot
RActive Blind Spot Assist
RActive Lane Keeping Assist
iVehicles with the AIRMATIC package: if you
couple up a trailer, the vehicle always remains
at normal level. When coupling up a trailer,
please observe the following:
RIf the normal level has not been set man-
ually, the vehicle is automatically lowered
to normal level. This is the case if a speed of
5 mph (8 km/h) is reached.
RThe Sport drive program is not available.
These restrictions apply to all accessories
powered through a connection to the trailer
power socket of your vehicle, e.g. a bicycle
carrier.
Observe the maximum permissible trailer
dimensions (wi
dth and length).
Most U.S. states and all Canadian provinces
require by law:
RSafety chains between the towing vehicle and
the trailer. The chains should be cross-wound
under the trailer drawbar. They must be fas-
tened to the vehicle's trailer coupling, not to
the bumper or the axle.
Leave enough play in the chains to make tight
cornering possible.
RA separate brake system for certain types of
trailer.
RSafety switch for braked trailers. Check the
specific legal requirements applicable to your
state.
If the trailer becomes detached from the tow-
ing vehicle, the safety switch applies the
trailer brakes.
Towing a trailer
There are numerous legal requirements con-
cerning the towing of a trailer, e.g. speed restric- tions. Make sure that your car/trailer combina-
tion complies with the local regulations:
Rin your place of residence
Rin the location to which you are driving
The police and local authorities can provide reli- able information.
Observe the following when towing a trailer:
RTo gain driving experience and to become
accustomed to the new handling characteris-
tics, you should practice the following in a
traffic-free location:
-cornering
-stopping
-backing up
RBefore driving, check:
-trailer tow hitch
-safety switch for braked trailers
-safety chains
-electrical connections
-lights
-wheels
RAdjust the exterior mirrors to provide an
unobstructed view of the rear section of the
trailer.
RIf the trailer has electronically controlled
brakes, pull away carefully. Brake manually
using the brake controller and check whether
the brakes function correctly.
RSecure any objects on the trailer to prevent
the cargo from slipping when the vehicle is in
motion.
RWhen you couple up a trailer, check at regular
intervals that the load is firmly secured. If the
tra
iler is equipped with trailer lights and
brakes, check the trailer to ensure that these
are working.
RBear in mind that the handling will be less
stable when towing a trailer than when driving
without one. Avoid sudden steering move-
ments.
RThe vehicle/trailer combination is heavier,
accelerates more slowly, has a decreased
gradient climbing capability and a longer
braking distance.
It is more susceptible to side winds and
requires more careful steering.
Towing a trailer203
Driving an d parking
Z