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. ...

Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer Assis ...

Replacing the windshield wiper blades
Removing the wiper blades •► Remove the SmartKey from the ignition lock or turn it to position 0 (KEYLESS-GO). •► Fold the wiper arm away from the windshield until it engages. •` ...