Starting procedure with the SmartKey
To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/ Stop button out of the ignition lock.
•► To start a gasoline engine: turn the SmartKey to position 3 in the ignition lock and release it as soon as the engine is running.
•► To start a diesel engine: turn the SmartKey to position 2 in the ignition lock.
http://strategic-human-resource.com/The 
preglow indicator lamp in the
instrument cluster lights up.
•► When the 
preglow indicator lamp
goes out, turn the SmartKey to position 3 and release it as soon as the
engine is running.
You can start the engine without preglow if the engine is warm.
See also:
Important safety notes
WARNING
Make sure the tailgate is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter vehicle interior resulting in
unconsci ...
Important safety notes
ATTENTION ASSIST helps you during long,
monotonous journeys such as on freeways and interstate highways. It is active in
the
range between 50 mph (80 km/h) and
112 mph (180 km/h).
If ATTENTIO ...
Message memory
The message memory allows you to call up previous display messages.
Press
or
on the steering wheel to select the
Serv. menu.
If there are display messages, the multifunction display shows 2 Me ...