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:
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
that have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Cleaning the wiper blades
WARNING
Before cleaning the windshield or wiper
blades, switch off the windshield wipers and
remove the SmartKey from the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop b ...
Tires
Problem
Possible causes/consequences and
Solutions
USA
only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
Canada onl ...