2003 Mercedes CLK-Class Owner's Manual - Page 288

Practical hints What to do if ...? Display Possible cause Key Check battery! Key not recognized! Suggested solution Change the batteries ( page 312). Stop the vehicle as soon as it is safe to do so. Search for the key. F The SmartKey with KEYLESS-GO* batteries are discharged. The SmartKey with KEYLESS-GO* is not recognized while the engine is running because the key is not in the vehicle Otherwise the vehicle cannot be centrally there is strong radio-frequency inter- locked nor can the engine be started again after the engine has been stopped. ference The SmartKey with KEYLESS-GO* is momentarily not recognized. Change the position of the key in the vehicle. Operate the vehicle with the key in the starter switch if necessary. Key recognized in vehicle Keyless Go Check system A SmartKey with KEYLESS-GO* left in the vehicle was recognized while locking the vehicle from the outside. The KEYLESS-GO* system is malfunctioning. Take the key out of the vehicle. Visit an authorized Mercedes-Benz Center as soon as possible. 288