152 Controls in detailClimate controlThe climate control is operational whenev-
er the engine is running. You can operate
the climate control system in either the au-
tomatic or manual mode. The system cools
or heats the interior depending on the se-
lected interior temperature and the cur-
rent outside temperature.
Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.
The air conditioning will not engage (no
cooling) if the AC
OFF
mode is selected
(
page 157).
Setting the temperature
Use temperature controls2 and3 to sepa-
rately adjust the air temperature on each
side of the passenger compartment. You
should raise or lower the temperature set-
ting in small increments, preferably start-
ing at 72°F (22°C).Increasing
Turn the temperature control a few de-
grees to the right.
The climate control system will corre-
spondingly adjust the interior air tem-
perature.
Decreasing
Turn the temperature control a few de-
grees to the left.
The climate control system will corre-
spondingly adjust the interior air tem-
perature.
Warning!
G
Follow the recommended settings for heat-
ing and cooling given on the following pag-
es. Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
iIf the vehicle interior is hot, ventilate
the interior before driving off.
Keep the air intake grille in front of the
windshield free of snow and debris.iWhen operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.
334 IndexCHECK ENGINE malfunction indicator
lamp 243
Checking
Coolant level 215, 220
Oil level 215, 217, 218
Checklist
Off-road driving 205
Child safety 63
Infant and child restraint systems 54,
60, 63
LATCH child seat mounts 68
Child safety switch see Blocking of rear
door window operation 69
Cigarette lighter 181
Cleaning
Cup holder 235
Gear selector lever 235
Hard plastic trim items 236
Headlamps 148
Headliner 236
Illuminated door sill panels 236
Instrument cluster 235
Leather upholstery 236
Light alloy wheels 235
MB Tex upholstery 236
Plastic and rubber parts 236Rear Park Assist sensors* 234
Seat belts 236
Steering wheel 235
Windows 235
Windshield 47
Wiper blades 235
Climate control 150
Adjusting 153
Defogging windshield 153
Defrosting 154
Rear window defroster 155
Setting the temperature 152
Clock 25
Closing
Glove box 176
Hood 217
Side windows 158
Sliding/pop-up roof 160, 276
Sliding/pop-up roof
with SmartKey 161
Tailgate 88
Windows 158
Windows with SmartKey 159
Closing sliding/pop-up roof
In an emergency 276
Cockpit 22, 325Cockpit management and data system
(COMAND) 325
COMAND 325
COMAND see separate operating
instructions
Combination switch 23, 103
High beam flasher 46, 103
Turn signals 46
Windshield wipers 47
Consumer information 322
Control and operation of
radio transmitters 210
Control system 111, 325
AUDIO menu 116
Convenience submenu 128
Display digital speedometer 116
Functions 112, 115
Instrument cluster submenu 122
Lighting submenu 124
Malfunction memory menu 118
Menus 114, 115, 327
Multifunction display 111
Multifunction steering wheel 112
NAVI menu 118
Selecting radio system 117
Settings menu 119
