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:

    Switching on the manual drive program
    The manual drive program is only available for vehicles with the dynamic handling package and for AMG vehicles. Manual drive program M is different from drive program S (in AMG vehicles, drive ...

    Transmission position and drive program display
    Transmission position display Drive program display The current position of the selector lever is shown by the indicators next to the selector lever. The indicators light up when the Smar ...

    Notes on driving
    • If the vehicle is heavily laden, check the tire pressures and correct them if necessary. • When parking your vehicle, make sure that the tires do not get deformed by the curb or other obstacl ...