Page 255 of 498

253 Controls in detail
Power tilt/sliding sunroof*
Opening and closing the power
tilt/sliding sunroof with the SmartKey
The power windows (
page 249) will also
be opened or closed when you operate the
tilt/sliding sunroof with the SmartKey.
Aim transmitter eye at the driver’s door
handle.
Opening (Summer opening feature)
Press and hold button Œ after
unlocking the vehicle.
The windows and the tilt/sliding
sunroof begin to open after
approximately one second.
Release the Œ button to stop
procedure.Closing (Convenience feature)
Press and hold button ‹ after
locking the vehicle.
The windows and the tilt/sliding
sunroof begin to close after
approximately one second.
Release ‹ button to stop
procedure.
Make sure all side windows and the
tilt/sliding sunroof are properly closed
before leaving the vehicle.
Closing the power tilt/sliding sunroof
with KEYLESS-GO* (Convenience
feature)
The power windows (
page 249) will also
be closed when the power tilt/sliding
sunroof is operated with the KEYLESS-GO
function.
Press and hold lock button at door
(page 58) until the side windows and
the tilt/sliding sunroof are closed.
Warning!
G
Never operate the windows or tilt/sliding
sunroof if there is the possibility of anyone
being harmed by the opening or closing pro-
cedure.
In the event that the procedure causes
potential danger, the procedure can be
immediately halted by releasing the
transmit button on the SmartKey. To reverse
direction of movement, press button Œ
for opening or ‹ for closing.
Page 256 of 498

254 Controls in detailPower tilt/sliding sunroof*
Synchronizing the power tilt/sliding sunroof
The tilt/sliding sunroof must be
synchronized each time after:
the battery has been disconnected or
discharged
the tilt/sliding sunroof has been closed
manually (
page 401)
the tilt/sliding sunroof does not open
smoothly
a malfunction
Switch on the ignition (
page 36).
Move and hold the sunroof switch in
the direction of arrow 1 (
page 251)
until the tilt/sliding sunroof is fully
raised at the rear.
Hold the sunroof switch for
approximately one second.
Check the Express-open feature
(page 252).
If the tilt/sliding sunroof opens
completely, the tilt/sliding sunroof is
synchronized. Otherwise repeat the
above steps.
Warning!
G
When closing the windows and the
tilt/sliding sunroof, make sure there is no
danger of anyone being harmed by the clos-
ing procedure.
The tilt/sliding sunroof will not automatical-
ly reopen if blocked during convenience
closing.
If potential danger exists, proceed as fol-
lows:
Release the lock button.
Pull on the door handle and hold firmly.
The side windows and the tilt/sliding
sunroof will open for as long as the door
handle is held but the door not opened.
Page 266 of 498
264 Controls in detailLoadingRoof rack
1TrimPreparing roof rack installation
Open trim1 at the trim strips in the
roof.
Secure the roof rack according to
manufacturer’s instructions for
installation.
Ski sack*
Unfolding and loading
1Handle
2Cover
3Armrest
Fold armrest3 down (arrow).
Pull handle1 and swing cover2
down.
Warning!
G
Only use roof racks approved by
Mercedes-Benz for your vehicle model to
avoid damage to the vehicle. Follow manu-
facturer’s installation instructions.
!Load the roof rack in such a way that
the vehicle cannot be damaged while
driving.
Make sure
you can fully raise the tilt/sliding
sunroof*
you can fully open the trunk
Page 390 of 498
388 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
K
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
J
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
t
Function
Unavailable
This display appears if button t or
son the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Trunk open!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 315).
Page 403 of 498
401 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Power tilt/sliding sunroof*
You can open or close the tilt/sliding
sunroof manually should an electrical
malfunction occur.
The tilt/sliding sunroof drive is located
behind the lens 1 of the interior overhead
light.
Remove SmartKey from the starter
switch.
Pry off lens1 using a flat blade
screwdriver.
Slide both locking tabs2 in direction
of arrows.
Lower the rear of the cover and
remove.
Remove the cover.
Take the crank 3 out of the Operator’s
Manual pouch.
Insert crank3 through hole on the left
side.
Turn crank3 clockwise to:
slide sunroof closed
raise sunroof at the rear
Turn crank3 counterclockwise to:
slide sunroof open
lower sunroof at the rear
iDo not disconnect electrical
connectors.
iTurn crank3 slowly and smoothly.
The tilt/sliding sunroof must be
synchronized after being operated
manually (
page 254)
Page 424 of 498

422 Practical hintsBatteryCharging and reinstalling battery
Charge battery in accordance with the
instructions of the battery charger
manufacturer.
Reinstall the charged battery. Follow
the previously described steps in
reverse order.
Reconnecting the battery
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Vehicles with KEYLESS-GO*:
Press the start / stop button until
the engine shuts off.
Open the driver’s door.
Connect the battery positive lead and
fasten its cover 2.
Connect the battery negative lead.
Reinstall the filter box (
page 420).Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12-volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
Warning!
G
Never charge a battery while still installed in
the vehicle. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
!NEVER invert the terminal connections!!The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnect-
ing):
Set the clock (
page 151) (vehi-
cles with COMAND*: see COMAND
operator’s manual).
Resynchronize the side windows
(page 250).
Resynchronize the tilt/sliding
sunroof* (
page 254).
Page 468 of 498

466 IndexClimate control 184
Activating 185
Adjusting air distribution 188
Air recirculation mode 190
Deactivating 185
Defrosting 189
Rear window defroster 183
Clock 25, 152
Closing
Cup holder 275
Glove box 272
Hood 309
Power tilt/sliding sunroof* 251, 401
Power tilt/sliding sunroof*
with KEYLESS-GO* 250, 253
Power tilt/sliding sunroof*
with SmartKey 253
Side windows 248
Trunk 107
Windows 247
Windows
with KEYLESS-GO* 250, 253
Windows
with SmartKey 249Closing power tilt/sliding sunroof*
In an emergency 401
Cockpit 22, 455
Cockpit management
and data system (COMAND*) 456
Cold tire inflation pressure 338
Collapsible tire (CLK 55 AMG only) 394
Collapsible wheel chock 392
COMAND* see separate
operating instructions
Combination switch 129
High beam flasher 129
Turn signals 51
Windshield wipers 52
Comfort driving
Transmission program mode 170
Control and
operation of radio transmitters 302Control system 137, 456
AUDIO menu 143
Convenience submenu 158
Display digital speedometer 142
Functions 138, 141
Instrument
cluster submenu 149, 151
Lighting submenu 154
Menus 140, 141, 457
Multifunction display 137
Multifunction steering wheel 138
NAV menu 144
Operate CD player 144
Selecting radio system 143
Selecting satellite radio* system 143
Settings menu 146
Standard display menu 142
Submenus 139, 141
TEL* menu 162
Trip computer menu 160
Vehicle status
message memory menu 145
Vehicle submenu 158
Page 471 of 498

469 Index
E
Easy-entry/exit feature 112
Activating 159
Electrical fuses 429
Electrical outlet in
rear passenger compartment 278
Electrical system
Technical data 444
Electronic Stability Program see ESP
Emergency call
911 245
Emergency call system* 280
Emergency calls
Initiating an emergency call 282
With Tele Aid 281
Emergency operation
(Limp Home Mode) 177
Emergency operations
Closing
power tilt/sliding sunroof* 401
Locking the vehicle 398
Opening
power tilt/sliding sunroof* 401
Remote door unlock 286
Unlocking the vehicle 397Emergency tensioning device see ETD
Emission control 304
Emission control information label 436
Ending
A call (telephone) 163
Engine
Compartment 308
Message in display 356
Starting 47
Starting with KEYLESS-GO* 47
Starting with the SmartKey 47
Technical data 438
Turning off 56
Engine cleaning 349
Engine compartment 308
Fuse box in 431
Hood 308
Engine malfunction
indicator lamp 25, 356
Engine number 436, 456Engine oil 309, 449
Adding 312
Additives 449
Checking level 310
Consumption 309
Filler cap 312
Filler neck 312
Message in display 379
Messages in display 311
Viscosity 456
Engine oil level see Oil level
ESP 25, 86, 456
Messages in display 367
Switching off 87
Switching on 88
Warning lamp 358
ETD 69, 456
Safety guidelines 64
Exterior lamp switch 124
Exterior rear view mirrors
Adjusting 41
Parking position for 160