Page 128 of 521

127 Controls in detail
Locking and unlocking
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk opens.
Illumination of the emergency release but-
ton:
The button will flash for 30 minutes af-
ter opening the trunk.
The button will flash for 60 minutes af-
ter closing the trunk.
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the locking/clos-
ing switch can be operated. Therefore do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing still or in motion.iThe emergency release button does
not open the trunk, if the vehicle bat-
tery is discharged or disconnected.
Page 129 of 521

128 Controls in detailLocking and unlocking
Valet locking
1Neutral position
2Locked
Close the trunk (
page 122).
Pull the mechanical key out of the
SmartKey (
page 426).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position 2 to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position 1 to unlock
the trunk.
You can now open the trunk
(page 120).
iIf the emergency release button is
pressed and the vehicle was centrally
locked using the SmartKey, the exterior
lamps will flash and the alarm will
sound as the trunk opens.
To cancel the alarm, do one of the
following:
Insert the SmartKey in the starter
switch.
Press button Œ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*
Pull an outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft (1 m) of the ve-
hicle.
Press the KEYLESS-GO* start/stop
button (
page 37).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
iTo deny any unauthorized person ac-
cess to the trunk, e.g. when you valet
park the vehicle, lock it separately with
the mechanical key. Leave only the
SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key
with the vehicle.
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
Page 272 of 521

271 Controls in detail
Loading
Removal of ski sack
For removal of the ski sack, we recom-
mend that you contact an authorized
Mercedes-Benz Center.
Split rear bench seat*
To expand the trunk, you can fold down the
left and right rear seat backrests.
The two sections can be folded down sep-
arately to enlarge the trunk.Folding the backrest forward
1Release handle
Warning!
G
Never drive vehicle with trunk open while
the ski sack is removed. Deadly carbon
monoxide (CO) gases may enter vehicle in-
terior, resulting in unconsciousness and
death.iTo prevent unauthorized persons from
access to the trunk, always close the
cover.
Warning!
G
When expanding the luggage compartment,
always fold the seat cushions fully forward.
Unless you are transporting cargo, the back-
rests must remain properly locked in the up-
right position.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle, and cause injury
to vehicle occupants unless the items are
securely fastened in the vehicle.
Always use the cargo tie down rings
(page 275).
!You must always release the seat cush-
ion and fold it up before folding the seat
backrests forward. The upholstery on
the seat backrest may otherwise be
damaged.
Page 273 of 521

272 Controls in detailLoading
Pull release handle1.
The seat cushion automatically springs
upward slightly.
1Seat cushion
2Seat backrest
Grip the back of seat cushion1 and
fold forward.
Push the rear seat head restraints all
the way in.
Pull the handle in the trunk.
The seat backrest is released and the
head restraints fold back.
Fold the seat backrest forward.Returning seat backrest to original po-
sition
1Seat cushion
2Seat backrest
Swing seat backrest2 to the rear until
it engages.
Swing seat cushion1 to the rear and
press the center front of the cushion
until it audibly engages.
iIf tall persons have occupied the driv-
er’s and front passenger seats, it may
be necessary to move these seats for-
ward slightly in order to fold the rear
seat backrests forward.
iI f t h e r e a r c e n t e r s e a t i s t o b e o cc u p i e d
while driving, it may be necessary to
fold the seat belt buckle up again.
!Make sure the head restraints fit all the
way into the seat cushion pockets. This
will prevent the backrests from being
damaged during loading.
Page 274 of 521
273 Controls in detail
Loading
Swing the head restraint forward by
hand until it engages.
Expanding the cargo area*
Removing the rear seat cushions will pro-
vide you with a larger, flat cargo area.
Fold the seat cushions and the back-
rests forward (
page 271).
Remove the head restraints
(page 133).
Fold the backrest into the vertical posi-
tion.
1Release lever
Pull seat cushion release lever1 and
remove the seat cushion by pulling it
upward.
Warning!
G
Always lock backrest in its upright position
when rear seat bench is occupied, or the ex-
tended trunk compartment is not in use.
Check for secure locking by pushing and
pulling on the backrest.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle, and cause injury
to vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when transporting cargo.
Page 429 of 521
428 Practical hintsUnlocking/locking in an emergencyFuel filler flap emergency release
In case the central locking system does
not release the fuel filler flap, you can open
it manually.
1Release knob
Open the trunk.
Remove right-side tail trim.
Turn release knob1 clockwise (ar-
row).
The fuel filler flap can know be opened.Manually unlocking the gear selector
lever
In case of power failure, the gear selector
lever can be manually unlocked, e.g. to tow
the vehicle.
1Pin
Open the storage compartment in the
center armrest (
page 279).
Take out the cup holder (
page 279).
Insert a suitable object1 (e.g. a pin)
through the hole and press the pin
downward.
Remove pin1.
iThe gear selector lever is locked again
when moving it to positionP.
Page 518 of 521

517 Index
Trunk
Cargo area
Closing the lid 121
Fuse box 462
Lamp 149
Lock button, KEYLESS-GO* 117
Message in display 419
Opening 110, 120
Tie-down rings 275
Trunk lid emergency release 127
Unlocking in an emergency 427
Valet locking 128
Turn signal lamps
Cleaning lenses 367
Messages in display 415
Replacing bulbs 437
Turn signals 55
Additional in mirrors 434
Bulbs 434
Cleaning lenses 367
Indicator lamps 25
Turning off engine 62U
Uniform Tire Quality Grading
Standards 356
Units, Settings
Speedometer 166
Temperature 166
Unleaded gasoline, Premium 488
Uphill driving
Cruise control 244
Upholstery
Cleaning 371
Useful features 276
V
Vacuum line routing diagram label 468
Valet locking 128
Vehicle
Battery 450
Care 364
Control system, settings menu 153
Dimensions 482
Individual settings 163, 165
Locking/unlocking 34, 60, 106
Locking/unlocking in an
emergency 426, 427
Lowering 447Modifications and alterations, Operat-
ing safety 16
Towing 457
Washing 364
Weights 483
Vehicle capacity weight 356
Vehicle Identification Number see VIN
Vehicle jack 422, 424
Vehicle level control see Airmatic DC (Dual
Control)*
Vehicle lighting 318
Vehicle loading
Cargo tie-down rings 275
Instructions 274
Load limit 334
Roof rack* 268
Ski sack* 268
Split rear bench seat* 271
Terminology 353
Vehicle maximum load on the tire 356
Vehicle Recovery services, Stolen (Tele
Aid) 293
Vehicle status message memory 162
Vehicle tool kit 424
Vehicle washing 366
VIN 499