Important safety notes

Do not leave the SmartKey in the trunk/cargo compartment. You could otherwise lock yourself out.

WARNING
When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle.

Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could:

- injure themselves on vehicle parts
- be seriously or fatally injured by extreme heat or cold
- injure themselves or have an accident with vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.

If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic.

Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and a child could be burned on these parts.

Do not carry heavy or hard objects in the WARNING Do not carry heavy or hard objects in the passenger compartment or trunk/cargo compartment unless they are firmly secured in place.

Unsecured or improperly positioned cargo increases a child's risk of injury in the event
of
- strong braking maneuvers
- sudden changes of direction
- an accident

WARNING
Ensure that the trunk/tailgate is closed when the engine is running and the vehicle is in motion. Among other dangers, deadly carbon monoxide (CO) may enter the vehicle interior and cause unconsciousness and even death.

The trunk lid/tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the trunk lid/tailgate.

Sedan: to open the trunk lid completely, a minimum clearance of 5.78 ft (1.76 m) above the ground is necessary.

Wagon: to open the tailgate completely, a minimum clearance of 6.36 ft (1.94 m) above the ground is necessary.

Sedan without trunk lid remote closing feature: the trunk lid can be:

- opened and closed manually from outside
- opened automatically from outside
- opened automatically from inside
- locked separately
- opened with the emergency release button
- unlocked with the mechanical key

Sedan with trunk lid remote closing feature: the trunk lid can be:

- opened and closed manually from outside
- opened and closed automatically from outside
- opened and closed automatically from inside
- locked separately
- opened with the emergency release button
- unlocked with the mechanical key

Wagon: you can:

- open and close the tailgate manually from outside
- open the tailgate manually from inside (Wagon with a folding bench seat)
- open and close the tailgate automatically from outside
- open and close the tailgate automatically from inside
- limit the opening angle of the tailgate
- unlock the tailgate using the mechanical key.

    See also:

    Unlocking the driver's door (mechanical key)
    If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

    Floormat on the driver's side
    WARNING   Whenever you are using a floormat, make sure there is enough clearance and that the floormat is securely fastened. The floormat should always be securely fastened using the fa ...

    Snow chains
    For safety reasons, Mercedes-Benz recommends that you only use snow chains which have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...