Low-beam headlamps
•► To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to position 2 or start the engine.
•► Turn the light switch to 
.
The indicator lamp in the instrument
cluster lights up.
See also:
Roadside Assistance button
Open the stowage compartment under the
armrest.
Press and hold Roadside Assistance
button 1 for more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistance Center ...
Fuel requirements
Use only premium-grade unleaded gasoline. The octane number
should be at least 91. Details can be found on the gas pump. The octane number is
the average value of the Research Octane Number (RON) ...
Important notes on the use of KEYLESS-GO
• The KEYLESS-GO key can be used like a conventional key.
• You can combine KEYLESS-GO functions with those of a conventional key, e.g.
unlock with KEYLESS-GO and lock with the
button.
• Always c ...