
Exhaust tail pipe (cleaning
instructions) ...................................... 291
Exterior lighting see Lights
Exterior mirrors
Adjusting ....................................... 101
Dipping (automatic) .......................102
Folding in/out (automatically) .......102
Folding in/out (electrically) ...........102
Folding in when locking (on-board
computer) ...................................... 218
Out of position ............................... 102
Setting ........................................... 102
Storing settings (memory
function) ........................................ 103
Storing the parking position ..........103
Exterior view ........................................ 26
F
Filling capacity see Technical data
First-aid kit ......................................... 297
Flat tire Changing a wheel/mounting the
spare wheel ................................... 305
MOExtended run-flat system .........311
Preparing the vehicle .....................300
Raising the vehicle .........................306
TIREFIT kit ...................................... 301
Floormat ............................................. 279
Front fog lamp (display
message) ............................................ 232
Fuel Additives ........................................ 359
Notes ............................................. 358
Premium-grade unleaded gasoline . 358
Refueling ........................................ 151
Specifications ................................ 358
Troubleshooting ............................. 155
Fuel consumption
Current (on-board computer) .........220
Notes ............................................. 160
Fuel filler cap (display message) ..... 236
Fuel filler flap Emergency release ........................153
Opening/closing ............................ 153
Fuel filter (display message) ............ 236
Fuel level
Calling up the range (on-board
computer) ...................................... 220
Fuses
Dashboard fuse box .......................321
Engine emergency stop .................322
Fuse allocation chart .....................321
Fuse box in the cargo
compartment ................................. 321
Fuse box in the engine
compartment ................................. 321
Notes ............................................. 320
G
Garage door opener Clearing the memory .....................279
Notes ............................................. 276
Opening/closing the garage door ..278
Programming the remote control ...276
Gear indicator (on-board
computer) .......................................... 209
Gear or selector lever (cleaning
guidelines) ......................................... 292
Genuine Mercedes-Benz parts ......... 354
Genuine wood trim and trim strips
(cleaning instructions) ...................... 292
Glove box ........................................... 257
GTW (Gross Trailer Weight)
(definition) ......................................... 345
H
Headlamp cleaning system .............. 109
Adding washer fluid .......................286
Notes ............................................. 363
Headlamp delayed switch-off
see Delayed switch-off, exterior lighting
Headlamp mode (daytime driving)
see Daytime running lamps
Headlamps
Cleaning ......................................... 291
Misting up ...................................... 110
Setting ........................................... 116
Head restraint
Adjusting (electrically) .....................95
Head restraints
Adjusting (manually) ........................95
Index9BA 164.1 USA, CA Edition B 2011; 1; 2, en-USd2mskotVersion: 3.0.3.52010-04-21T17:25:06+02:00 - Seite 9

X To unlock the vehicle: touch the inner
surface of the door handle.XTo lock the vehicle: press locking
button :.
If you pull on the handle of the tailgate, only
the cargo compartment of the vehicle is
unlocked.
Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
XTo change the setting: press and hold
down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
( Y page 76) flashes twice.
The SmartKey now functions as follows:
XTo unlock the driver's door: press the
% button once.XTo unlock centrally: press the %
button twice.XTo lock centrally: press the & button.
The KEYLESS-GO function is changed as
follows:
XTo unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.XTo unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.XTo lock centrally: press locking
button : on one of the door handles.
Restoring the factory settings
XPress the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.Mechanical key
General notes
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 69).
There are several ways to turn off the alarm:
XPress the % or & button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XPress the Start/Stop button in the ignition
lock. The SmartKey must be in the vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
Removing the mechanical key
XPush release catch : in the direction of
the arrow and at the same time, remove
mechanical key ; from the SmartKey.
SmartKey battery
Important safety guidelines
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
SmartKey75Opening and closingBA 164.1 USA, CA Edition B 2011; 1; 2, en-USd2mskotVersion: 3.0.3.52010-04-21T17:25:06+02:00 - Seite 75Z

Diesel fuel with improved cold flow properties
is available during the winter months. Further
information on fuel properties can be
obtained from oil companies, e.g. at filling
stations.
Refueling
Fuel filler flap
The fuel filler flap is unlocked or locked
automatically when you open or close the
vehicle with the SmartKey or using KEYLESS-
GO.
The position of the fuel filler flap is to the rear
on the right. The position of the fuel filler cap
is displayed in the instrument cluster 8.
The arrow next to the filling pump indicates
the side of the vehicle.
:To open the fuel filler flap;To insert the fuel filler cap=Fuel type?Tire pressure table
Opening
XSwitch off the engine.
i When the engine is running and the fuel
filler flap is open, the yellow reserve fuel
warning lamp and the ! (USA only)
or ; (Canada only) engine diagnostics
warning lamp may light up.
For further information on warning and
indicator lamps in the instrument cluster,
see ( Y page 252).
XRemove the SmartKey from the ignition
lock.
KEYLESS-GO: the driver's door is open.
This returns the ignition to position 0,
which corresponds to the SmartKey being
removed. The driver's door can be closed
again.XPress the fuel filler flap in the direction of
arrow :.
The fuel filler flap opens slightly.XOpen the fuel filler flap.XTurn the fuel filler cap counter-clockwise
and remove it.XInsert the fuel filler cap into the holder
bracket on the inside of filler flap ;.XCompletely insert the filler neck of the fuel
pump nozzle into the tank and refuel.XOnly fill the tank until the pump nozzle
switches off.
! Overfilling the fuel tank could damage the
fuel system.
Closing
XReplace the fuel filler cap and turn it
clockwise. The fuel filler cap audibly
engages.
i Close the fuel filler flap before locking the
vehicle. A locking pin otherwise prevents
the fuel filler flap from closing after the
vehicle has been locked.
XClose the fuel filler flap.
Emergency fuel filler flap release
GWarning!
HYBRID vehicles: It is imperative that you read
the HYBRID Supplemental Operating
Instructions included in your vehicle literature
portfolio. You may otherwise not receive all
necessary safety information and warning for
the operation of your vehicle.
Refueling153Driving and parkingBA 164.1 USA, CA Edition B 2011; 1; 2, en-USd2mskotVersion: 3.0.3.52010-04-21T17:25:06+02:00 - Seite 153Z