See also:

Using the SmartKey
The SmartKey must be close to the driver's door handle. - Point the tip of the SmartKey at the driver's door handle. - Press and hold the button until the side windows and the sliding s ...

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 engi ...

DEF refill bottle
DEF refill bottles can be obtained at many gas stations or at an authorized Mercedes-Benz Center. Refill bottles without a threaded cap do not provide overfill protection. DEF may leak if over ...