2010 Mercedes C-Class Owner's Manual - Page 79

Starter switch positions X X 77 X Briefly press emergency release button :. The emergency release button unlocks and opens the trunk while the vehicle is standing still or in motion. Illumination of the emergency release button: RThe RThe button flashes for 30 minutes after opening the trunk. button flashes for 60 minutes after closing the trunk. Valet locking: Close the trunk. Remove the mechanical key from the SmartKey (Y page 309). X Insert the mechanical key in the trunk lid lock. X Turn the mechanical key clockwise to position 2 and remove the mechanical key in that position to lock the trunk. The trunk remains locked even when the vehicle is centrally unlocked. You can then only open the trunk with the mechanical key. X Canceling: Insert the mechanical key in the trunk lid lock. X Turn the mechanical key counterclockwise to neutral position 1 and remove the mechanical key in that position to unlock the trunk. You can now open the trunk. The emergency release button does not open the trunk, if the vehicle battery is discharged or disconnected. Starter switch positions SmartKey G Observe Safety notes, see page 54. Valet locking You can lock the trunk separately with the mechanical key. This denies unauthorized access to the trunk, e.g. when you valet park the vehicle. X Leave only the SmartKey less its mechanical key with the vehicle. Starter switch g For removing SmartKey Vehicles with automatic transmission: Gear selector lever must be in park position P. 1 Power supply for some electrical consumers, e.g. wipers Z Controls in detail