Page 44 of 473

43 Getting started
Adjusting
Seat adjustment
The seat adjustment switch is located in 
the door.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat cushion depth
5Seat fore and aft adjustment
6Seat backrest tilt
Switch on the ignition (
page 39).
or
Open the respective door.Seat fore and aft adjustment 
Press the switch forward or backward 
in direction of arrow 5.
Adjust seat to a comfortable seating 
position that still allows you to reach 
the accelerator / brake pedal safely. 
The position should be as far to the rear 
as possible, consistent with ability to 
properly operate controls.
Warning!
G
Children 12 years old and under must be 
seated and properly secured in an appropri-
ate infant or child restraint recommended 
for the size and weight of the child.
The infant or child restraint must be properly 
secured with the vehicle’s seat belt fully in 
accordance with the child seat manufactur-
er’s instructions.
A child’s risk of serious or fatal injuries is 
significantly increased if the child restraints 
are not properly secured in the vehicle and 
the child is not properly secured in the child 
restraint.
i
The memory function (
page 126) lets you 
store the settings for the seat position together 
with the settings for the steering wheel and the 
exterior rear view mirrors.
!
When moving the seats, make sure there are 
no items in the footwell or behind the seats. 
Otherwise you could damage the seats.  
     
        
        Page 123 of 473

122 Controls in detailSeatsMulticontour backrest*
The multicontour backrest has inflatable 
air cushions built into the seat backrest to 
provide additional lumbar and side sup-
port.
The seat backrest cushion height and cur-
vature can be continuously varied with 
switches on the lower left side (driver’s 
seat) or the lower right side (passenger 
side) of the seat when the ignition is 
switched on.
1Lumbar region support
2Shoulder region support
3Side bolsters adjustment
4Massage function (PULSE)
Switch on the ignition (
page 39).
Shoulder region support
Press æ or ç on switch2.
The air cushion inflates or deflates.
Lumbar region support
Press k or j on rocker 
switch1.
This selects the air cushion you wish to 
adjust.
Press æ or ç on rocker 
switch1.
The air cushion inflates or deflates.
Side bolsters adjustment
Press switch3 to the right or left.
The lateral support increases or de-
creases.Massage function (PULSE)
You can reduce muscle tension during long 
trips by periodically using the massage 
function. 
Press button4.
The indicator lamp on button4 comes 
on. The air cushions in the lumbar re-
gion inflate and deflate rhythmically.
i
The massage function switches off automat-
ically after approximately 8 minutes. The indica-
tor lamp goes out. 
     
        
        Page 227 of 473

226 Controls in detailDriving systemsThe vehicle chassis ride height is raised or 
lowered according to the selected level 
setting and to the vehicle speed:
With increasing speed, ride height is re-
duced by up to approximately 0.5 inch 
(12 mm).
With decreasing speed, the ride height 
is again raised to the selected vehicle 
level.The following vehicle level settings can be 
selected when the vehicle is stationary:
Select the level 1 and level 2 settings only 
when required by current driving condi-
tions. Otherwise:
Fuel consumption may increase.
Handling may be impaired.The ABC vehicle level control button with 
the indicator lamps is located in the lower 
section of the center console.
1Indicator lamp 1
2Indicator lamp 2
3ABC vehicle level control button
i
These height adjustments are so small that 
you may not notice any change.
Vehicle 
level
Use for
Indicator 
lamps
Normal
For driving on nor-
mal roads.
Both 
lamps off
Level 1
For driving on 
rough roads or with 
snow chains 
(page 318).
One 
lamp on
Level 2
For driving on very 
rough road surface 
conditions.
Both 
lamps on
i
The selected vehicle level setting remains 
stored in memory, even if the engine is turned off 
and restarted. 
     
        
        Page 466 of 473

465 Index
Seating capacity 287
Seats
Adjusting height 43
Adjusting lumbar support 122
Adjusting shoulder support 122
Heating 123
Massage function 122
Moving 121
Self-test
OCS 76
Service
Basic service (Service A) 319
Batteries 414
Extended service (Service B) 319
Types 319
Service life (tires) 284
Service System see Maintenance
Settings
Clock 157
Convenience functions 162
Cruise control 212
Daytime running lamp mode 159
Interior lighting delayed 
switch-off 161
Lamps and lighting 
(control system) 159Language, multifunction display 157
Locator lighting 160
Miles/kilometers in 
speedometer 156
Night security illumination 160
Resetting all (control system) 153
Selective (SmartKey with 
KEYLESS-GO*) 109
Selective (SmartKey) 104
Speedometer display mode 156
Time 157
Units in speedometer 156
Shifting
Gear selector lever 168
Gear selector lever positions 170
Into optimal gear range (Automatic 
transmission) 175
Shoulder support
Seat adjustment 122
Side marker lamps 398
Cleaning lenses 325
Side windows
Automatic closing 198
Automatic opening 197
Closing 196, 197
Closing fully 198Closing with KEYLESS-GO* 198
Express-close 198
Express-open 197
Opening 196, 197
Opening fully 197
Stopping 198
Synchronizing power windows 198
Sidewall 313
SmartKey 102
Batteries 395
Checking the batteries 105
Closing retractable hardtop 201
Global locking 103, 104
Global unlocking 103
Loss of 105
Positions in starter switch 40
Restoring factory settings 104, 109
Selective setting 104
Starter switch positions 40
Starting the engine 52
Turning off the engine 62
SmartKey with KEYLESS-GO*
Checking the batteries 110
Global locking 108, 109
Global unlocking 108
Locking 110 
     
        
        Page 467 of 473

466 Index
Loss of 110
Messages in display 379
Reprogramming 109
Selective setting 109
Unlocking 106
Snow chains 318
Spare fuses 424
Spare fuses see Vehicle tool kit
Spare tire see Spare wheel 405
Spare wheel 388, 389, 405, 440
Collapsible tire 410, 440
Inflating collapsible tire 410
Tire inflation pressure 410
Speed settings
Cruise control 212
Speedometer 27
Setting units 156
Sporty driving style 228
SRS
Indicator lamp 342
Messages in the multifunction 
display 361
Standing lamps 128, 398
Standing water
Driving instructions 267
Starter battery 281, 414Starter switch 25, 40
Starter switch positions 39
Starting difficulties 53
Starting position 40
Starting the engine
With the SmartKey 52
With the SmartKey with 
KEYLESS-GO* 53
Steering column
In/out adjustment 46
Length adjustment 46
Up/down adjustment 46
Steering wheel
Adjusting 45
Buttons 30
Cleaning 328
Heating* 240
Height adjustment 46
Steering wheel adjustment lever 25
Steering wheel gearshift control* 175
Stopping
Windows 198
Storage compartment
Center console 234Storage compartments 233
Armrest 234
Cup holder 238
Glove box 233
In door 233
Locking compartments 
separately 235
Locking storage compartments 235
Parcel net 236
Rear 235
Seats 234
Storage tray 234
Unlocking compartments 
separately 236
Unlocking storage 
compartments 236, 392
Ventilated glove box 195
Storing tires 285
Submenus 143
Convenience 162
Instrument cluster 156, 157
Lighting 159
Selecting 154
Settings menus 154
Time 157
Vehicle 162