Using KEYLESS-GO to start the engine

WARNING
As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore, never leave children unattended in the vehicle, as they could otherwise accidentally start the engine.
When leaving the vehicle, always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury.

used to The Start/Stop button can be used to start the vehicle without inserting the SmartKey into the ignition lock. The Start/Stop button must be inserted into the ignition lock and the SmartKey must be in the vehicle.

it depressed. Depress the brake pedal and keep it depressed.
The engine starts. Press the Start/Stop button once.
The engine starts.

    See also:

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    Deactivating/activating ESP®
    WARNING Never switch off the ESP when you see the ESP warning lamp flashing in the instrument cluster. In this case proceed as follows:  - When driving off, apply as little throttle ...

    Activating the HOLD function
    •► Make sure that the activation conditions are met. •► Depress the brake pedal. •► Quickly depress the brake pedal further until HOLD display 1 appears in the multifunctio ...