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BSG-0005
Fig. 146 In the centre consol e: butt on for the
s tart/s top syst em
r-T'n First read and observe the introductory
L-lcJJ information and safety warnings .&. on
page
196.
The start/stop system automatically switches the
engine off when the vehicle is stationary . When re
quired , the engine restarts automatically .
The function is automatically activated every time
the ignit ion is switched on. The instrument cluster
display will show information about the current sta
tus .
You can find additional information on the start/
stop mode by pressing
the~ button in the Vehi
cl e status menu in the infota inment system .
Always deactivate the start/stop system manually
when driving through water.
Vehicles with a manual gearbox
• When the vehicle is stat ionary , d isengage the
g e
ar and release the clutch pedal. The engine is
stopped .
• Depress the clutch pedal to restart the engine .
Vehicles with an automatic gearbox
• When the vehicle is stationary , press and hold
the brake pedal. The engine
is stopped.
• Ta ke your foot off the brake pedal, or depress
the acce lerator, to restart the engine .
Important preconditions for automatic
engine switch-off
• The driv er is wearing their seat belt.
• The driver door is closed .
• The bonnet is closed .
• The factory-fitted towing bracket is not attached
ele ctrically to a trailer .
• A minimum engine temperature has been
rea ched .
198 I While driving
• The ve hicle has been moved since the engine
was las t switc he d off.
• F or v ehicle s with Climatronic: the temperatu
inside the ve hicle is within the pre-set temperat~~e
ra nge .
• The de frost function of the air conditioning sys.
tem is not switched on.
• The charging state of the vehicle battery is suf.
ficient.
• The temperature of the vehicle battery is not
too
low or too high .
• The vehicle is not on a steep incline.
• For vehicles with an automatic gearbox: the
front wheels are not angled too sharply .
• The windscreen heating is not switched on.
• Reverse gear is not engaged .
• The park assist system (Park Assist) system is
not active .
When the condit ions
for automatic engine swit ch
off are only fulfilled when the vehicle is stationary,
the engine can also switch off subsequently :
• When the driver creates the required conditions
by performing an action , e .g . by switching off the
defrost function .
• If the @ button in the centre console is pressed
twice ~Fig. 146.
• When selector lever position P is selected in
vehicles with an automatic gearbox.
Conditions for an automatic restart
The engine can start automatically under the fol
lowing conditions :
• If the temperature inside the vehicle substan
tially increases or decreases .
• If the vehicle rolls on.
• If the voltage of the vehicle battery falls.
• If the steering wheel is moved.
Conditions that require a manual engine
start
The engine must be started manually in the folloW·
ing conditions :
• If the driver unfastens their seat belt.
• If the driver door is opened .
• If the bonnet is opened.
