2003 Mercedes SLK-Class Owner's Manual - Page 151

Controls in detail Useful features i The indicator lamp in the respective button flashes until the call is concluded. Calls can only be terminated by a Response Center or Customer Assistance Center representative, except Roadside Assistance and Information calls. Remote door unlock In case you have locked your vehicle unintentionally (e.g. key inside vehicle), and the reserve key is not handy: Contact the Mercedes-Benz Response Center at 1-800-756-9018 (in the USA) or 1-888-923-8367 (in Canada). You will be asked to provide your password which you provided when you completed the subscriber agreement. Then return to your vehicle and pull outside trunk handle for minimum of 20 seconds until the SOS button is flashing. As an alternative, you may unlock the vehicle via Internet using the ID and password sent to you shortly after the completion of your acquaintance call. The Response Center will then unlock your vehicle with the remote door unlocking feature. i The remote door unlock feature is available if the relevant cellular phone network is available. The SOS button will flash to indicate receipt of the door unlock command. Once the vehicle is unlocked, a Response Center specialist will attempt to establish voice contact with the vehicle occupants. If the trunk handle was pulled for more than 20 seconds before door unlock authorization was received by the Response Center, you must wait 15 minutes before pulling the trunk handle again. i When a Tele Aid call has been initiated, the audio system is muted and the selected mode (radio, tape or CD) pauses. The optional cellular phone (if installed) switches off. If you must use this phone, the vehicle must be parked. Disconnect the coiled cord and place the call. 151