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.
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:
Additives
Do not use any additives in the
engine oil.
This could damage the engine. ...
Cleaning genuine wood and trim
elements
– Wipe the wooden trim and trim pieces with
a damp, lint-free cloth, e.g. a microfiber
cloth.
– Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
...
Calling up a stored parking position
setting
•► Turn the SmartKey to position 2 in the
ignition lock.•► Adjust the exterior mirror on the frontpassenger
side with the corresponding
button•► Engage reverse gear.
The exter ...