Downloaded from www.Manualslib.com manuals search engine Activating and deactivating the start/stop
system manually
• Press the 0 button in the centre console
~Fig. 146.
• If the start/stop system has been deactivated,
the indicator lam p in the button lights up.
The engine will start if the vehicle is in stop mode
when the system is deactivated manually.
Start/stop
mode when adaptive cruise
control (ACC) is active
The engine will be switched off after the adaptive
cruise control (ACC) has brought the vehicle to a
standstill with an active braking intervention
~page 226.
In the following instances, the engine will restart
when the ACC is active:
• If the accelerator is depressed.
• When the ACC has resumed speed and dis
tance control.
• If the vehicle ahead has moved on.
The brake servo and the electromechanical
steering will not function if the engine is
switched off.
• Never allow the vehicle to roll if the engine
is switched off.
• The start/stop system must be deactivated
if work is to be carried out in the engine com
partment.
Downhill driving assistant
rf'n First read and observe the introductory
~ information and safety warnings £ on
page 196.
The downhill driving assistant in veh icles with an
~utomatic gearbox helps when braking and travel
ling downhill ~ £. The downhill driving assistant
uses the braking power of the engine .
The automatic gearbox selects the best gear for
t~e circums tances by taking the steepness of the
h1l.l and the current speed into consideration. To do
th1s the selector lever must be in position D or S.
The downhill driving assistant is not active in Tip
Ironic mode .
As the downhill driving assistant can only shift
down as far as the 3rd gear, it may be necessary
to activate the Tiptronic mode when driving down
If the start/stop system is used in very high
outside temperatures over a long period, the
vehicle battery can be damaged.
m In some cases, it may be necessa ry to restart
L!J the engine manually. F ollow any correspond
ing messag es on the instrument cluste r display.
m The start/stop system is automatically activa
L!J ted when the Eco driving mode is selected in
vehicles that have Driving Mode Selection
~page 248 .
select the 2nd or 1st gear manually in order to
make use of the braking effect of the engine and to
relieve the brakes .
Activating the downhill driving assistant
automatically:
• If the incline is greater than approximately 6%.
• AND: if the selector lever is in position 0 or s.
• In addition, if the CCS or ACC is switched
off: if the vehicle speed is less than approximately
80 km/h (50 mph) or the brake pedal is depressed.
• In addition if the CCS or ACC is active: if the
stored speed is exceeded .
Driver
assist systems 199
..
Downloaded from www.Manualslib.com manuals search engine J J
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traff ic c ond itions allow, briefly take your foot
When accle rator to activate the newly selected off the . . .
9 mode fo r the eng me. dnvm
daptive chassis control (DCC)
~h·le the vehicle is in motion , the DCC constantly
d.
1
sts the suspensio n characteristics to match the
a J~ surface and the cu rrent driving situation, in
~~~ordance with the preset vehicle setti ngs.
If there is a fault in the DCC, th e ~ symbol appears
in the instrument cluste r display along with the
message Fault: damper control.
Steering
In Sport mode, power steerin~ is r~duced and the
effort required to stee r the vehicle mcreases. The
vehicle's driving response becomes more agile.
Powertrain (engine and gearbox)
The engine and gearbox will give either a more dy
namic or more balanced response to the move
ment of the accelerato r, depending on th e selec ted
driving mode . In vehicles with an automatic gear
box, the gear shift po ints and the coasting mode
will also change . An active cruise contro l sys tem
(CCS) can affec t the acceleration response.
Adaptive Cruise Control (ACC)
When the ACC is active, accele ratio n and deceler
ation of the vehicle becomes more ecological or
sporty.
Dynamic bend lighting and automatic main
beam assist
The dynamic bend lighting and the automatic main
beam assist will give either a more dynamic or
more balanced respo nse to the current driving sit
uation, depe nding on the selected driving m ode.
Air conditioning system
In Eco mode , the air cond itio ning will be set to run
even more economica lly.
Displaying the driving mode
• Ensure that the ignition is switched on.
• Press the Driving Mode Selection button(~ MOD£)
~Fig. 177 . The Driving Mode Selec tio n menu ap
~ears in the infotainment system display. The ac
tive driving mode is selected .
• Touch the (Informa tion ) function button to disp lay
additional information about the current driving
rnode.
..,...,_ . _ ..
-
Selecting the driving mode
• Ensure that the igniti on 1s swit c hed on.
• Press the Driving Mode Se lection button (t:'t wooe)
~Fig. 177 and touch the fun ction button for the se·
lected driving mode in the lnfota inm ent system dis
pla y.
The selec te d driving mode
will re m ain set e ve n a f
t e r the ignition has bee n swi tc he d off . Th e las t acti ·
va ted driving mode will be assigned to the ve hic le
key that h as been use d.
Changing the driving mode can alter the vehi
cle handling. Never allow Driving Mode S elec
tion to tempt you into taking any risks when
driving.
• Always adapt your speed and driving style
to suit visibility, weather, road and traffic con
ditions.
It A WARNING . ~
Failure to observe illuminated w arning lamps
and text messages can lea d to your vehicle
breaking down in traffic, and can cause acci
dent and serious injury.
• Never ignore any illuminated warning
lamps or text messages.
• Stop the vehicle as soon as possible and
when safe to do so.
---
Failure to observe illuminated indicator lamps
and text messages can lead to your vehicle be
ing damaged.
r::l The Eco mode is blocked when the ve hicle is
l!J towi ng a trai le r. If the vehi cle is in Eco mode
when a trailer is hitched and electrica lly connected
to the towing
ve hicle via th e trailer socket. the sys
tem will automatica lly swi tch to
Normal mode.
r::l In vehicles with an automa tic gearbox, the
l!J system automatically switches to gear posi
tion S when the
Sport drivin g mode is se lected .
The syste m aut omatically switches to
gear position
E when the
Eco driving mode is se lected .
r::l The driver can adjust certain vehicle fun c
l!J tions irrespective of the selected driving
mode . For examp le, the driver can swi tc h to
gear
position
S wh en the Eco driving mode is selected.
r::l In some model ve rsions the highest speed of
l!J th e veh ic le ca n only be achie ved in the Nor-
mal or Sport driving modes.