429 Controls in detail
Driving systems
Active Body Control (ABC)
The ABC system is an active, comput-
er-controlled system that hydraulically ad-
justs the suspension at all four wheels in
response to various driving situations. It
automatically selects the optimum suspen-
sion tuning and ride height for your vehicle.
Vehicle level controlYour vehicle automatically adjusts its ride
height to:
increase vehicle safety
reduce fuel consumption
The 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 0.4 in
(10 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 “Raised” level setting only when
required by current driving conditions.
Otherwise:
Fuel consumption may increase.
Handling may be impaired.
Warning!G
To help avoid personal injury, keep hands
and feet away from wheel housing area, and
stay away from under the vehicle when
lowering the vehicle chassis.
iThese height adjustments are so small that
you may not notice any change.
Level
NormalFor driving on normal roads.
The indicator lamp is off.
RaisedFor driving on rough roads or
with snow chains. The indica-
tor lamp is on.
iThe selected vehicle level setting remains
stored in memory even if the engine is turned off
and restarted.
711 Index
Operating via COMAND 250
Ventilation* 347
Selector lever
Lock 378
Selector lever see Gear selector lever
Self-test
OCS 51
Tele Aid 483
Service and warranty information 14
Service intervals see
Maintenance service indicator
Service life, Tires 521
Service see Maintenance
Service system see FSS (Canada vehicles)
or Maintenance System (U.S. vehicles)
Service, Parts 672
Setting
Cruise control 407
DISTRONIC Plus* time interval 425
Following distance in
DISTRONIC Plus* 425
Higher speed in cruise control 408
Higher speed in
DISTRONIC Plus* 421
Lower speed in cruise control 409Lower speed in
DISTRONIC Plus* 422
Slower speed in cruise control 409
Slower speed in
DISTRONIC Plus* 422
Speed in DISTRONIC Plus* 421
Suspension tuning (ABC) 429
Temperature (interior) 456
To last stored speed
(“Resume” function)
in cruise control 410
To last stored speed in
DISTRONIC Plus*
(“Resume” function) 423
Vehicle level control (ABC) 429
Setting current speed 407
Settings
Calling up DISTRONIC Plus* 416
Control system
instrument cluster menus 271
Daytime running lamp mode 271
Resetting trip odometer 261
Shelf below rear window,
Cleaning and care of 564
Shift program mode,
Automatic transmission 399Shifting, Automatic transmission 389
Side impact air bags 46
Side marker lamps
Cleaning lenses 558
Messages in display 620
Side windows see Power windows
Sidewall 546
SIRIUS satellite radio see Satellite radio
SmartKey see Key, SmartKey
SmartKey with KEYLESS-GO* see
Key, SmartKey with KEYLESS-GO*
SMS messages 145
Snow chains 550
Spare wheel see Minispare wheel
Speed
Setting current 407
Setting to last stored speed in
DISTRONIC Plus*
(“Resume” function) 423
Speed settings
Cruise control 408, 409
DISTRONIC Plus* 421, 422
To last stored speed
(“Resume” function)
in Cruise control 410
