NOTICE
Risk of engine overheating!
▶
Do not switch the engine o immediately at the
end of your journey after the engine has been run-
ning at high loads. Leave it to run at an idling speed
for about 1 minute.
Starting issues
Troubleshooting
NOTICE
Danger of engine damage!
▶
Do not start the vehicle by towing.
The engine does not start
›
Switch o the ignition.
›
Wait 30 seconds and repeat the starting proce-
dure.
›
If the engine does not start, use the jump start ca-
bles with the battery of another vehicle » page 149
or seek the help of a specialist garage.
The engine does not start, the display shows a
message regarding the immobilizer
›
Use the other vehicle key.
›
If the engine does not start, seek the help of a spe-
cialist garage.
The key cannot be turned in the ignition
›
Move the steering wheel back and forth while
turning the key.
Starting is not possible with the starter button, the
system did not detect the key
›
Press the starter but-
ton with the key.
›
If the engine does not
start, seek the help of a
specialist garage.
The key might not be detected if the battery in
the key is nearly discharged or the signal is faulty.
The engine cannot be turned o with the starter
button
›
Hold the starter button or press twice.
The radiator fan keeps running even after the en-
gine has stopped
The radiator fan can continue to run for approxi-
mately 10 minutes after the engine is stopped. This is
not a defect.
The engine makes noises after the cold start
The increased running noise is due to the briefly in-
creased engine speed. This is not a defect.
START STOP
Usage
The START STOP system reduces environmentally
damaging emissions, including CO
2
, and saves fuel.
If the system determine that the engine is not nee-
ded when the vehicle stops, it turns o the engine
and starts it again when moving o.
Functionality
Vehicle with manual transmission
A system-related engine switch-o occurs when
stopping, when switching the gear lever into the
neutral position, and when releasing the clutch pedal.
A system-related engine start occurs when the
clutch pedal is pressed down.
Vehicle with automatic transmission
A system-related engine switch-o occurs when the
brake pedal is actuated and the engine is stopped.
A system-related engine start takes place after re-
leasing the brake pedal.
Status display in the instrument cluster display
Engine is switched o via the START-STOP
system
Engine is not switched o via the START-STOP
system due to operating conditions that are
not met
Display of detailed information in the infotainment
screen
Vehicle status
Or:
Vehicle status
Operating conditions
Some conditions are systemic and can neither be in-
fluenced nor recognised. Therefore, the system may
react dierently in situations which seem identical
from the driver's perspective.
The driver must fulfil the following conditions.
✓ The driver's door is closed.
✓ The driver has fastened the seat belt.
✓ The driving speed was higher than 4 km/h after
the last stop.
120
Starting and driving › Starting issues
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