2011 Mercedes ML-Class Owner's Manual - Page 248
2011 Mercedes ML-Class Manual
Page 248 highlights
246 Display messages Display messages Possible causes/consequences and M Solutions The KEYLESS-GO key is not in the vehicle. If the engine is switched off, you can no longer lock the vehicle centrally or start the engine. X Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. X Engage the parking brake. X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running because there is interference from a strong source of radio waves. X Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. X Engage the parking brake. X Operate the vehicle with the SmartKey in the ignition lock if necessary. On-board computer and displays + Key Not Detected (red display message) + Key Not Detected (white display message) The KEYLESS-GO key cannot be detected at present. X Change the location of the SmartKey with the KEYLESS-GO functions in the vehicle. If the KEYLESS-GO key is still not detected: X Change the location of the SmartKey with the KEYLESS-GO functions in the vehicle. X Operate the vehicle with the key in the ignition lock if necessary. + Key Detected In Vehicle The KEYLESS-GO key has been detected inside the vehicle during locking. X Remove the KEYLESS-GO key from the vehicle. The KEYLESS-GO key can continuously not be detected. X Insert the SmartKey into the ignition lock and turn it to the desired position. X Visit a qualified specialist workshop. + Pull starting button out then insert key