2011 Mercedes C-Class Owner's Manual - Page 79
2011 Mercedes C-Class Manual
Page 79 highlights
Doors Problem The engine cannot be started using the SmartKey. Possible causes/consequences and M Solutions The on-board voltage is too low. X Switch off non-essential consumers, e.g. seat heating or interior lighting, and try to start the engine again. If this does not work: X Check the starter battery and charge it if necessary (Y page 259). or X Jump-start the vehicle (Y page 262). or X Consult a qualified specialist workshop. The engine cannot be started using the SmartKey. The steering lock is mechanically blocked. X Remove the SmartKey and re-insert it into the ignition lock. While doing this, turn the steering wheel in both directions. 77 The engine cannot be A door is open. Therefore, the SmartKey cannot be detected as started using KEYLESS- easily. GO. The SmartKey is in X Close the door and try to start the vehicle again. the vehicle. There is interference from a powerful source of radio waves. X Start your vehicle with the SmartKey in the ignition lock. Doors Important safety notes G Warning! When leaving the vehicle, always remove the SmartKey from the starter switch. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, even if they are secured in a child restraint system, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. The children could Rinjure even if the SmartKey is removed from the starter switch or removed from the vehicle, such as seat adjustment, steering wheel adjustment, or the memory function If children open a door, they could injure other persons or get out of the vehicle and injure themselves or be injured by following traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and the child could be burned by these parts. G Warning! themselves on parts of the vehicle Rbe seriously or fatally injured through excessive exposure to extreme heat or cold Rinjure themselves or cause an accident with vehicle equipment that can be operated Do not carry heavy or hard objects in the passenger compartment or trunk unless they are firmly secured in place. Z Opening and closing