Downloaded from www.Manualslib.com manuals search engine ~S~ta~~~st~o~p~s~y~s~te~m~--------------------------------------
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.