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 ...

Changing the battery
You require a CR 2025 3 V cell battery. Take the mechanical key out of the SmartKey. Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tra ...

Multifunction display
Values and settings as well as display messages are shown in the multifunction display. 1 Time 2 Outside temperature or speed 3 Description field 4 Menu bar 5 Transmission position For fur ...