See also:

Activation conditions
You can activate the HOLD function if: Rthe vehicle is stationary. Rthe engine is running. Rthe driver's door is closed or if your seat belt is fastened. Rthe electric parking brake is released. ...

Important safety notes
WARNING Do not park this vehicle in areas where combustible materials can come into contact with the hot exhaust system. Do not park the vehicle on dry grassland or harvested grain fields. ...

Internet
Further information about Mercedes-Benz vehicles and about Daimler AG can be found on the following websites: http://www.mbusa.com (USA only) http://www.mercedes-benz.ca (Canada only) ...