See also:

Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer Assis ...

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, ...

Deactivating/activating PARKTRONIC
1. To deactivate/activate PARKTRONIC 2. Indicator lamp If indicator lamp ; lights up, PARKTRONIC is deactivated. PARKTRONIC is automatically activated when you turn the SmartKey to positio ...