See also:

Making adjustments in 5 mph (Canada: 10 km/h) increments
•► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Remote vehicle locking
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely ...

Folding the exterior mirrors in or out electrically
This function is only available in vehicles for Canada. Make sure that the SmartKey is in position 1 or 2 in the ignition lock. Briefly press button 1. Both exterior mirrors fold in or out ...