Dr iv in g
remain avai lable during the "stop" phase . The en -
gine will restart automatica lly when needed.
The Start/Stop system is automatically activated
as soon as the ignit ion is switched on .
Basic requirements
- The driver's door and hood must be closed .
- The "P", "N" or "D" selector lever posit ion must
be engaged .
- The steering wheel must not be sharp ly turned.
- The vehicle must have driven faster than 2 mph
(3 km/h) s ince the last time it stopped.
- A trailer must not be hitched to the vehicle .
@ Note
Always sw itch the Start/Stop system off when
driving throug h water ~
page 81.
(D Tips
- Depend ing on t he driving s ituation, t he e n-
gine may already stop when
coasting before
the vehicle has come to a comp lete stop
ll.
- If you se lect the "D" sele ctor lever pos ition
after shifting into reverse, t he vehicle mus t
be driven faster than 6 mph (10 km/h) in or -
der for the Start/Stop system to be active
again.
Stopping/starting the engine
App lies to: vehicles with Sta rt/S top system
"' Apply the brakes and keep your foot on the
brake pedal until the veh icle has stopped . The
[I] ind icator light appears in the instrument
cluster once t he e ngine stops automatically.
"'T he eng ine starts aga in when you take your
foot off t he brake pedal. The ind icat or light
turns off .
(D Tips
- The ign ition will tu rn off if you press t he
I START ENGINE STOP ! button dur ing a stop
phase.
- You can det erm ine for yourself if the engine
will stop or not by reducing or increasing
1) Market -spe cific
80
the amount of force you use to press the
brake pedal. For examp le, if you on ly lightly
press on the brake peda l in stop -and -go
t raffic or when turning, the engine w ill not
switch off when the vehicle is stat ionary. As
soo n as you press the brake down harder,
the engine will switch off .
- Press the brake peda l during a Stop phase
to keep t he vehicle from rolling .
Starting/stopping the engine automat-
ically
Applies to: vehicles with Start/ Stop syst em
The syst em chec ks if cer t ain condit ions a re me t
before and during t he "stop" phase, and dete r-
mines if and how long the engine is stopped de -
pending on the situation. For example, if power
usage is high, the eng ine will not be stopped.
Along with other conditions, the following fac-
tors influence the automatic engine start or stop:
- Environmental conditions (slopes, inclines, ele-
vation, temperat ure)
- Battery (cha rge status, temperature, powe r us -
age)
- Engine temperature
- Assistance systems
- Driving behav ior
If the
rjj ind icator light appears in the instru-
ment cluster d isplay, the engi ne w ill not be stop-
ped .
Switching the ignition off automatically
Applies to: vehicles with Start/ Stop syst em
If you leave the veh icle dur ing a "stop" phase, the
engine can be res t arted within approximate ly 30
seconds if t he doors are closed, the driver's safe-
ty be lt is fastened and the brake pedal is pressed.
If you leave the veh icle longer t han 30 seconds,
t he ign it ion will sw itch off a utoma ti cally t o pre -
vent the vehicle battery from draining. If t his is
the case, the message
Start/s top system: igni-
tion will be switched off in 30s
will appear in the
instrument cluster and, if the low beam
1111-
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