KEYLESS-GO
General information
Vehicles with KEYLESS-GO are equipped with a SmartKey featuring an integrated KEYLESSGO function and a detachable Start/Stop button.
The Start/Stop button must be inserted into the ignition lock and the SmartKey must be in the vehicle.
Pressing the Start/Stop button several times in succession corresponds to the different SmartKey positions in the ignition lock. This is only the case if you are not depressing the brake pedal.
If you depress the brake pedal and press the Start/Stop button, the engine starts immediately.
The Start/Stop button can be removed from the ignition lock. Then, you can insert the SmartKey into the ignition lock.
You do not have to remove the
Start/Stop
button from the ignition lock when you
leave the vehicle. However, you should
always take the SmartKey with you when
leaving the vehicle. The vehicle can be
started with the Start/Stop button if the
SmartKey is in the vehicle.

1 Start/Stop button
2 Ignition lock
Insert Start/Stop button 1 into
ignition
lock 2.
When you insert Start/Stop
button 1
into ignition lock 2, the system requires a
detection time of approximately two
seconds before you can use Start/Stop
button 1.

Start/Stop button
3 USA only
4 Canada only
Position 0: if Start/Stop
button 1 has not
yet been pressed, this corresponds to the
SmartKey being removed from the ignition.
Position 1: press Start/Stop
button 1. You can now activate the windshield
wipers, for example.
If you then open the driver's
door when in
this position, the power supply is
deactivated.
Position 2 (ignition): press Start/Stop
button 1 twice.
If you press Start/Stop button 1
once
when in this position and the driver's door
is open, the power supply is deactivated
again.
As soon as the ignition is switched on, all the indicator lamps in the instrument cluster light up. If an indicator lamp does not go out after the engine is started or if it lights up while the vehicle is in motion.
See also:
ESP® trailer stabilization
If your vehicle with trailer (vehicle/trailer
combination) begins to lurch, you can only
stabilize the vehicle/trailer combination by
depressing the brake firmly.
In this situation, ESP® assists ...
Limited braking performance on salt
treated roads
WARNING
The layer of salt on the brake discs and the
brake pads/linings may cause a delay in the
braking effect, resulting in a significantly
longer braking distance, which could lead to
...
Safety systems
Problem
Possible causes/consequences and •► Solutions
(USA only)
(Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning ...
