See also:

Hiding display messages
You can hide some display messages with a low priority. Press the or button on the steering wheel to hide the display message. The display message is cleared. Display messages with a hig ...

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 ...

Checking the battery
Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is dischar ...