See also:

Warranty
The Service and Warranty Information booklet contains detailed information about the warranties covering your vehicle. Your authorized Mercedes-Benz Center will exchange or repair any defective par ...

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. ...

Locking the vehicle
If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. ► Close the front-passenger door, the rear door on the front-passenger side and the ...