The HOLD function is deactivated inthefo llow‐
ing situations:
RWhen Active Dis tance Assist DISTRONIC is
acti vated.
RThe transmission is switched toposition j.
RWhentheve hicle is secured with the electric
parking brake.
In thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
RWhen the seat belt is unfas tened and the
driver's door is opened.
RWhen the engine is switched off.
RWhen there is a malfunction in the sy stem or
if th e po wer supply is insufficient.
DY NA MIC BODY CONT ROL
DYNA MIC BODY CONTROL has thefo llowing
ch aracteristics:
RVa riable damping characteristics
RContinual adjustment of the damping forc es
The damping characteristics adapt tothe cur rent
operating and driving situation.
The da mping is tuned individually for each wheel
and is af fected bythefo llowing factors:
RThe road sur face conditions
RVe hicle load
RThe drive program selected
The drive program can be adjus ted using the
DY NA MIC SELECT switch.
AIR BODY CONT ROL
AIR BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt. The all-round le vel control sy stem ensures
th e best possible suspension and const ant
ground clearance, even with a laden vehicle.
When driving at speed, theve hicle is lo wered
automatically toimpr ovedriving saf etyand to re
duce fuel consum ption. The option of manually
adjusting theve hicle le vel is also available.
AIR BODY CONTROL comprises:
RAir suspension with variable spring rate
RAu tomatic le vel control sy stem
RSpeed-dependent lo wering toreduce fuel
consum ption
RManual le vel adjustment
RADS PLUS (Adaptive Damping Sy stem with
const ant damping forc e adjustment)
RDY NA MIC SELECT switch and le vel button
Driving and parking 18
7
Displaymessages
Possible causes/consequences and MSolutions
0 D O I X Q F W L R Q ' U L Y H D W 0 D [
P S K*T
he AIR BODY CONTROL function is restricted. The vehicle's handling characteristics may be af fected.
#Drive in a manner appropria teforth e cur rent le vel, but do not exceed 50 mph (80 km/h).
#Visit a qualified specialist workshop.
DY NA MIC BODY CONT ROL is malfunctioning. The vehicle's handling characteristics may be af fected.
#Do not drive fasterthan 50 mph (80 km/h).
#Visit a qualified specialist workshop.
Á
' U L Y H 0 R U H 6 O R Z O \ *Y
ou are driving toofast forth e selected vehicle le vel.
#In order toadjust theve hicle le vel,yo u must not dr ive fast erthan 50 mph (80 km/h).
#In order toadjust theve hicle le vel during trailer operation, you must not drive fast erthan 19 mp h (30 km/h).
Á
& R P S U H V V R U , V & R R O L Q J *D
uetofrequent le velch anges within a short space of time, the compressor firs t needs tocool down in order toset
th e selected vehicle le vel.
#Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is suf ficient ground clearance.
When the compressor has cooled down, theve hicle continues rising tothe selected vehicle le vel.
422
Display messages and warning/indicator lamps
