See also:

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 ...

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences ...

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 ...