Smart Key functions

See also:

Petrol engines: 20 percent fuel saving thanks to direct injection
The E 200 CGI and E 250 CGI are equipped with the newly developed four-cylinder direct-injection engine with a displacement of 1.8 litres, turbocharging and variable intake and exhaust camshafts. ...

Switching to audio CD, audio DVD or MP3 mode
Insert a CD/DVD. The Rear Seat Entertainment System loads the inserted disc. Select Disc in the menu using the buttons on the remote control and press the button to confirm. The corresp ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 () in the ignition lock. On vehicles with KEYLESS-GO, press ...