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.

start the vehicle manually without inserting The Start/Stop button can be used to start the vehicle manually 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. This mode for starting the engine operates independently of the ECO start/stop automatic engine start function.

depressed. Depress the brake pedal and keep it depressed.

Start/Stop button once. To start a gasoline engine: press the Start/Stop button once.

The engine starts.

Preglow is activated and the engine starts. To start a diesel engine: press the Start/Stop button once.

Preglow is activated and the engine starts.

shortened. If the engine is warm, the preglow time is shortened.

    See also:

    Additives
    Do not use any additives in the engine oil. This could damage the engine. ...

    Frequencies for the garage door opener
    The radio type approval number and the frequency range for the garage door opener can be found on the Internet at: http://www.mercedes-benz.de/betriebsanleitung. ...

    Radiator
    Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of these ...