2008 Mercedes C-Class Owner's Manual - Page 408

Practical hints What to do if ...? Display Possible cause/consequence Key Not Detected Possible solution Stop the vehicle in a safe location or as soon as it is safe to do. Search for the SmartKey. Otherwise the vehicle cannot be centrally locked nor can the engine be started again after the engine is stopped. Stop the vehicle in a safe location or as soon as it is safe to do. Remove KEYLESS-GO* button (Canada only) from the starter switch ( page 83). Operate the vehicle with the SmartKey in the starter switch. I The SmartKey with KEYLESS-GO* (Canada only) is not recognized while the engine is running because the SmartKey with KEYLESS-GO* (Canada only) is not in the vehicle. The SmartKey with KEYLESS-GO* (Canada only) is not recognized while the engine is running because there is strong radio-frequency interference. I Key Not Detected The SmartKey with KEYLESS-GO* (Canada only) is momentarily not recognized. Change the position of the SmartKey in the vehicle. If necessary, operate vehicle using SmartKey with KEYLESS-GO* (Canada only) in starter switch under KEYLESS-GO* button (Canada only) ( page 83). 407