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 ...

Setting the rear-compartment side air vents
These rear-compartment side air vents are only available if your vehicle has 3-zone automatic climate control. 1 B-pillar air vent 2 Thumbwheel for B-pillar air vent - To open/close: turn thu ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle ...