20 Most Recent 2000 Mercedes-Benz SLK - Page 6 Questions & Answers

Is the battery good? Try to sychronize the signal,Point the IR transmitter window IRLC reciever in the interior rear view mirror. Press the unlock button or lock button twice .Turn the key in the ignition switch position 2 within 30 seconds. The remote should be operational

Hi,

You can download the user manual from the below mentioned link :-

http://safemanuals.com/user-guide-instructions-owner-manual/MERCEDES/S320%20%40%40%20S420%20%40%40%20S500-_E

Hope i helped.

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Inside the key less remote there is a thin piece of copper that the battery sits under. Make sure it is in the correct spot. If it is not exactly where it is suppose to be you have no battery connection. If you find that this part has broken loose it will still work if placed correctly.