Page 213 of 506

211 Controls in detail
4-zone automatic climate control*
Adjusting manually
Turn air distribution controls on each 
side of the passenger compartment to 
the desired symbol.
The indicator lamp in theU button 
goes out.
Adjusting automatically
Press left or rightU button 
(page 206) or (
page 207).
The indicator lamp in theU button 
illuminates. The air distribution is ad-
justed automatically.
Windshield fogged on the outside
Switch the windshield wipers on.
Press the left or rightU button 
(page 206) or (
page 207).
Adjusting air volume
Adjusting manually
Nine blower speeds are available.
Press to decrease or Q 
(page 206) or (
page 207) to in-
crease air volume to the desired level.
The 
AUTO
 display disappears and the 
automatic mode is switched off. The 
selected blower speed is shown in the 
display.
Adjusting automatically
Press left or right U button 
(page 206) or (
page 207).
The 
AUTO
 display appears and the air 
volume is adjusted automatically.
Defrosting
Activating
Press buttonP(
page 206) or 
button0 (
page 207).
The indicator lamp on the button 
comes on.
The air conditioning switches 
automatically to the following functions:
maximum blowing and heating 
power
air flows onto the windshield and 
the front side windows
the air recirculation mode is 
switched off
iThese settings should only be selected 
for a short time. 
     
        
        Page 305 of 506

303 Operation
Engine compartment
Engine compartment
Hood
Opening
1Hood release
Pull lever1 downwards.
The hood is unlocked and handle2 
will extend out of the radiator grille. 
2Handle for opening the hood
Pull handle2 to its stop out of radia-
tor grille.
Pull up on the hood (do not pull up on 
the handle) and then release it.
The hood will be automatically held 
open at shoulder height by gas-filled 
struts. 
Warning!
G
Do not pull the release lever while the vehi-
cle is in motion. Otherwise the hood could 
be forced open by passing air flow.
!To avoid damage to the windshield wip-
ers or hood, never open the hood if the 
wiper arms are folded forward away 
from the windshield.
Warning!
G
To help prevent personal injury, stay clear of 
moving parts when the hood is open and the 
engine is running. Make sure the hood is 
properly closed before driving. When closing 
the hood, use extreme caution not to catch 
hands or fingers.
The radiator fan may continue to run for ap-
proximately 30 seconds or even restart af-
ter the engine has been turned off. Stay 
clear of fan blades. 
     
        
        Page 353 of 506

351 Operation
Vehicle care
Cleaning the Distronic* system sensor 
cover
1Distronic system sensor cover
Use a mild car wash detergent, such as 
Mercedes-Benz approved Car Shampoo, 
with plenty of water to clean sensor 
cover1.
To prevent scratches, never apply strong 
force and use only a soft, non-scratchy 
cloth when cleaning the sensor cover. Do 
not attempt to wipe dirty sensors with a 
dry cloth or sponge.Cleaning the Parktronic system* 
sensors
1Parktronic system* sensors
Clean the sensors1 on the bumpers 
using a mild car wash detergent, such 
as Mercedes-Benz approved Car Sham-
poo, with plenty of water and a soft, 
non-scratchy cloth.
When using a steam cleaner or power 
washer, aim nozzle only briefly from a min-
imum distance of 12 in (30 cm) at 
sensors1.
Do not apply strong pressure to the sensor 
cover, applying strong pressure may dam-
age the sensor cover.To prevent scratches, never apply strong 
force and use only a soft, non-scratchy 
cloth when cleaning the sensor. Do not at-
tempt to wipe dirty sensors with a dry cloth 
or sponge.
Wiper blades
Turn on the wipers and place it in a ver-
tical position.
For information on placing the wipers in a 
vertical position, see “Replacing wiper 
blades” (
page 423).
!The windshield wipers must be in a ver-
tical position before folding them away 
from the windshield. They could other-
wise damage the hood. 
 
     
        
        Page 354 of 506

352 OperationVehicle care
Clean the wiper blade inserts with a 
clean cloth and detergent solution.Window cleaning
Turn on the wipers and place it in a ver-
tical position.
For information on placing the wipers in a 
vertical position, see “Replacing wiper 
blades” (
page 423).Use a window cleaning solution on all glass 
surfaces. An automotive glass cleaner is 
recommended.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the 
vehicle's on-board electronics have status 
0) before cleaning the wiper blades. Other-
wise, the wiper motor could suddenly turn 
on and cause injury.!Fold the windshield wiper arms back 
onto the windshield before turning the 
SmartKey in the starter switch.
Hold on to the wiper when folding the 
wiper arm back. If released, the force 
of the impact from the tensioning 
spring could crack the windshield.
!The windshield wipers must be in a ver-
tical position before folding them away 
from the windshield. They could other-
wise damage the hood.Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the 
vehicle's on-board electronics have status 
0) before cleaning the windshield. Other-
wise, the wiper motor could suddenly turn 
on and cause injury.
!Fold the windshield wiper arms back 
onto the windshield before turning the 
SmartKey in the starter switch.
Hold on to the wiper when folding the 
wiper arm back. If released, the force 
of the impact from the tensioning 
spring could crack the windshield.
 
     
        
        Page 425 of 506
423 Practical hints
Replacing wiper blades
Replacing wiper blades
Removing wiper blades
Turn SmartKey in starter switch to 
position1.
Turn combination switch to wiper 
settingII (
page 51).
With wiper arm in the vertical position, 
turn SmartKey in starter switch to 
position0.
Fold the wiper arm forward until it 
snaps into place.
Turn the wiper blade at a right angle to 
wiper arm.
Slide the wiper blade sideways out of 
the retainer.
!The windshield wipers must be in a ver-
tical position before folding them away 
from the windshield. They could other-
wise damage the hood.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: make sure the 
vehicle's on-board electronics have status 
0) before replacing a wiper blade. Other-
wise, the wiper motor could suddenly turn 
on and cause injury.  
     
        
        Page 426 of 506
424 Practical hintsReplacing wiper bladesInstalling wiper blades
Slide wiper blade onto wiper arm until 
it locks in place.
Rotate wiper blade into position paral-
lel to wiper arm.
Fold the wiper arm backward to rest on 
the windshield. Make sure you hold on 
to the wiper when folding the wiper arm 
back.
!Never open the hood when the wiper 
arm is folded forward.
Hold on to the wiper when folding the 
wiper arm back. If released, the force 
of the impact from the tensioning 
spring could crack the windshield.
Do not allow the wiper arms to contact 
the windshield glass without a wiper 
blade inserted.
Make certain that the wiper blades are 
properly installed. Improperly installed 
wiper blades may cause windshield 
damage.
For your convenience, we recommend 
that you have this work carried out by 
an authorized Mercedes-Benz Center. 
     
        
        Page 479 of 506

477 Index
A
ABS 85, 471
ABS control 86
Malfunction indicator lamp 356
Messages in display 369
Warning lamp 356
Accelerator position, automatic 
transmission* 180
Accessory weight 337
Accident
In case of 54
Activating
Air conditioning (cooling) 201, 214
Air recirculation mode 199, 212
Anti-theft alarm system 94
Automatic climate control 
(Dual-zone) 194, 195
Central locking (control system) 166
Defrosting 199
Distance warning function* 244
Distronic* 240
Easy-entry/exit feature* 167ESP 90
Exterior headlamps 50
Exterior lamps 134
Front fog lamps 136
Hazard warning flasher 138
Headlamps 50
High beams 137
Ignition 34
Ignition with KEYLESS-GO* 36
Immobilizer 56, 94
Rear fog lamp 136
Rear window defroster 191
Residual heat 202, 215
Seat heater* 128
Tow-away alarm 95
Windshield wipers 52
Adding
Engine oil 306
Additional turn signal 418
Adjustable air vents, rear passenger 
compartment 216Adjusting 37
Air distribution 198, 210
Air volume 198, 211
Backrest tilt 38
Drive-dynamic seat* with multicontour 
features 126
Exterior rear view mirror 41
Head restraint height 39
Head restraint tilt 39
Instrument cluster illumination 142
Interior rear view mirror 41
Mirrors 40
Seat cushion tilt 38
Seat fore and aft adjustment 38
Seat height 38
Seats 37
Steering column height 40
Steering wheel 39
Adjusting steering column in or out 40
Adjusting steering column up or down 40
Adjusting the dynamic seat 169 
     
        
        Page 483 of 506

481 Index
Checking
Coolant level 308
Oil level 301, 304
Tire inflation pressure 301
Vehicle lighting 301
Child safety 71
Airbags 62
Infant and child restraint systems 67, 
71
LATCH child seat anchors 81
Child safety switch see Blocking of rear 
window operation 83
Cigarette lighter 269
Cleaning
Headlamps 186, 350
Light alloy wheels 351
Parktronic* system sensor 351
side markers 350
tail lamps 350
turn signal lenses 350
Windshield 52
Wood trims 354
Cleaning tires 313Clock 160
Closing
Glove box 262
Panorama sliding/pop-up roof 227
Roller sunblinds 226
Side windows 219
Sliding/pop-up roof* 223
Trunk
Vehicle with KEYLESS-GO* 115, 
116
Trunk lid 112
Windows 218
Closing the trunk lid 115, 116
Cockpit 22, 471
Cockpit management and data system 
(COMAND) 472
Cold tire inflation pressure 337
Collapsible tire 457
Tire inflation pressure 429
COMAND 472
COMAND* see separate operating instruc-
tionsCombination switch 137
Turn signals 51
Windshield wipers 51
Control system 145, 472
AUDIO menu 150
Convenience submenu 167
Display digital speedometer 150
Distronic* menu 152
Functions 149
Instrument cluster submenu 157, 
159
Lighting submenu 162
Menus 148, 149
Multifunction display 145
Multifunction steering wheel 146
Selecting radio system 150
Selecting satellite radio* system 151
Settings menu 154
Standard display menu 150
Submenus 147, 149
TEL* menu 171
Trip computer menu 170
Vehicle status message memory 
menu 153
Vehicle submenu 166