Contents
Maximum tire inflation pressure .. 347
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 348
Tire ply material ........................... 350
Tire and loading terminology ........ 350
Rotating tires ............................... 353
Winter driving .................................... 355
Winter tires .................................. 355
Block heater* (Canada only) ........ 356
Snow chains................................. 356
Maintenance...................................... 358
Maintenance service indicator
message....................................... 358
Calling up the maintenance
service indicator display............... 360
Resetting the maintenance
service indicator........................... 361
Vehicle care ....................................... 362
Cleaning and care of vehicle ........ 362
Practical hints.................................. 371
What to do if … ................................... 372
Lamps in instrument cluster ......... 372
Lamp in center console................. 381
Vehicle status messages in the
multifunction display..................... 383
Where will I find ...? ............................ 419
First aid kit.................................... 419
Vehicle tool kit, jack and
spare wheel .................................. 419
Unlocking/locking in an emergency... 424
Unlocking the vehicle.................... 424
Locking the vehicle ....................... 425
Fuel filler flap emergency release . 425
Manually unlocking the gear
selector lever ................................ 426
Opening/closing in an emergency ..... 427
Power tilt/sliding sunroof* ........... 427
Resetting activated head restraints .... 428
Replacing SmartKey batteries ............ 429
SmartKey ...................................... 429
SmartKey with KEYLESS-GO* ....... 430Replacing bulbs .................................. 431
Bulbs............................................. 431
Replacing bulbs for front lamps .... 434
Replacing bulbs for rear lamps ..... 436
Replacing wiper blades ...................... 437
Removing front wiper blades ........ 437
Installing front wiper blades ......... 438
Removing rear wiper blade ........... 438
Installing rear wiper blade ............ 439
Flat tire............................................... 440
Preparing the vehicle .................... 440
Sealing tires with TIREFIT ............. 440
Mounting the spare wheel ............ 445
MOExtended system* ................... 451
Batteries............................................. 452
Disconnecting the battery ............ 453
Removing the battery ................... 454
Charging and reinstalling the
battery .......................................... 454
Reconnecting the battery ............. 455
Jump starting...................................... 456
Towing the vehicle.............................. 458
Installing towing eye bolt .............. 461
37 Getting started
Unlocking
For information on starting the engine
using the SmartKey, see “Starting with the
SmartKey” (
page 50).SmartKey with KEYLESS-GO*
Pressing the KEYLESS-GO start/stop but-
ton on the gear selector lever corresponds
to turning the SmartKey to the various
starter switch positions.
If you firmly depress the brake pedal dur-
ing pressing the KEYLESS-GO start/stop
button, the engine starts automatically.
iWhen you switch on the ignition, the in-
dicator and warning lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. The indicator and warning lamps
(except low beam headlamp indicator
lamp, high beam headlamp indicator
lamp, and turn signal indicator lamps if
activated) should go out when the en-
gine is running. This indicates that the
respective systems are operational.iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in position P.
!If the SmartKey cannot be turned in the
starter switch, the starter battery may
not be sufficiently charged.
Check the battery and charge it if
necessary (
page 429).
Get a jump start (
page 456).
To prevent accelerated battery dis-
charge or a completely discharged bat-
tery, always remove the SmartKey from
the starter switch when the engine is
not in operation.
iThe function of the SmartKey overrules
the KEYLESS-GO function.
51 Getting started
Driving
Starting with KEYLESS-GO*
You can start your vehicle without the
SmartKey in the starter switch using the
KEYLESS-GO start/stop button on the
gear selector lever.
For information on turning off the engine
with KEYLESS-GO, see “Turning off with
KEYLESS-GO*” (
page 61).
The SmartKey with KEYLESS-GO must be
located in the vehicle.
KEYLESS-GO start/stop button1USA only
2Canada only
Make sure the gear selector lever is set
toP.
Depress the brake pedal during the
starting procedure. Do not depress ac-
celerator.
The gear selector lever lock is released.
Press KEYLESS-GO start/stop button
once.
The engine starts if the SmartKey with
KEYLESS-GO is in the vehicle.Starting difficulties
If the engine does not start as described,
carry out the following steps:
If you are starting the engine with the
SmartKey, turn SmartKey in starter
switch to position0 and repeat starting
procedure.
If you are starting the engine with
KEYLESS-GO: Close any doors that
may be open to allow for better detec-
tion of the SmartKey with
KEYLESS-GO.
Or:
Start the engine with the SmartKey as
radio signals from another source may
be interfering with the SmartKey with
KEYLESS-GO.
Repeat the starting procedure
(page 50). Remember that extended
starting attempts can drain the battery.
Get a jump start (
page 456).
Warning!
G
As long as the SmartKey with KEYLESS-GO
i s i n y o u r v e h i c l e , t h e v e h i c l e c a n b e s t a r t e d .
Therefore, never leave children unattended
in the vehicle, as they could otherwise acci-
dentally start the engine.
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle.
101 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*
Turn off the engine by means of the
start/stop button on the gear selector
lever.
Open the driver’s door.Deactivating
With the SmartKey
Switch on the ignition.
With KEYLESS-GO*
Start the engine by means of the
start/stop button on the gear selector
lever.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens:
a door
the tailgate
the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
The alarm system will also be triggered
when
someone attempts to raise the vehicle
the vehicle is opened using the
mechanical key
someone opens a door from the inside
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
106 Controls in detailIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.Locking and unlocking
For more information on locking and un-
locking, see “Getting started” (
page 34)
and (
page 59).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key. The locking
tabs for the mechanical key portion of the
two SmartKeys are a different color to help
distinguish each key unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks
the doors
the tailgate
the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Unlock button* for the tailgate
3Mechanical key locking tab
4Œ Unlock button
5Battery check lamp
6Â Panic button (
page 90)
109 Controls in detail
Locking and unlocking
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 106)
flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver’s door and fuel filler
flap
Press buttonŒ once.
All turn signal lamps flash once.
An acoustic signal sounds once (if
equipped and feature activated).
For more information, see “Factory
setting” (
page 108).
The locking knob in the driver’s
door moves up.
The anti-theft alarm system is dis-
armed.
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once.
An acoustic signal sounds once
(if equipped and feature activated).
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
Global locking
Press button‹.
All turn signal lamps flash three
times.
An acoustic signal sounds three
times (if equipped and feature acti-
vated).
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 (
page 106)
flashes twice.
110 Controls in detailLocking and unlocking
Checking the batteries
Press button‹ orŒ.
Battery check lamp5 (
page 106)
comes on briefly to indicate that the
SmartKey batteries are in order.Unlocking and opening the tailgate
You can unlock and open the tailgate sep-
arately.
A minimum height clearance of 6.76 ft
(2.06 m) is required to open the tailgate.
Press and hold button Š until tail-
gate unlocks and begins to open.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the
SmartKey (
page 117) and re-
place them if necessary
(
page 429).
Use the mechanical key to unlock
the driver’s door (
page 424).
Use the mechanical key to lock the
driver’s door (
page 425).
Have the vehicle battery and the
battery connections checked.
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 429).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.
!The tailgate swings open upwards auto-
matically. Always make sure there is
sufficient overhead clearance.
Vehicles with tailgate opening/closing
system*: To stop the opening proce-
dure, press buttonŠ on the
SmartKey. The tailgate stops moving.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally when closed.
To confirm locking all turn signal lamps
flash three times.
111 Controls in detail
Locking and unlocking
Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key. The locking tabs for the
mechanical key portion of the two Smart-
Keys with KEYLESS-GO are a different col-
or to help distinguish each SmartKey with
KEYLESS-GO unit.
The function of the SmartKey overrules the
KEYLESS-GO function.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you pull an outside
door handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks
the doors
the tailgate
the fuel filler flap
SmartKey with KEYLESS-GO1‹ Lock button
2Š Unlock button* for the tailgate
3Mechanical key locking tab
4Œ Unlock button
5Battery check lamp
6Â Panic button (
page 90)
iWhen any outside door handle other
than the driver’s outside door handle is
pulled, the vehicle is centrally un-
locked.