2009 Mercedes CLS-Class Owner's Manual - Page 278

Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence Key Not Detected The SmartKey with KEYLESS-GO is not detected while the engine is running because the SmartKey is not in the vehicle. Possible solution X X X I Stop the vehicle as soon as it is safe to do so. Engage the parking brake. Search for the SmartKey. The vehicle cannot be centrally locked nor can the engine be started again after the engine is stopped. Stop the vehicle as soon as it is safe to do so. Engage the parking brake. Operate the vehicle with the SmartKey with KEYLESS-GO in the starter switch. Change the position of the SmartKey in the vehicle. Operate the vehicle with the SmartKey in the starter switch if necessary. Connect the telephone to the COMAND system via Bluetooth®. Add washer fluid (Y page 203). I Key Not Detected The SmartKey with KEYLESS-GO is not detected while the engine is running because there is strong radio-frequency interference. The SmartKey with KEYLESS-GO is momentarily not detected. X X X I Key Not Detected X X t W Bluetooth Ready The telephone has not yet been connected to the COMAND system via Bluetooth®. X Top Up Washer Fluid The fluid level has dropped to approximately 1/3 of total reservoir capacity. X 276