See also:

Opening
Switch off the engine. Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the Sma ...

Roadside Assistance button
•► Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistanc ...

Checking tire pressure electronically
► Make sure that the SmartKey is in position 2 in the ignition lock. ► Press and hold the button on the multifunction steering wheel until the standard display appears in the mu ...