2004 Mercedes C-Class Owner's Manual - Page 231

Controls in detail Useful features Garage door opener Warning! The built-in remote control is capable of operating up to three separately controlled devices, for example garage door openers, gate openers, or other devices compatible with HomeLink® or some other systems. You can program the signal transmitter buttons. Remote control integrated into the interior rear view mirror G Before programming the integrated remote control to a garage door opener or gate operator, make sure people and objects are out of the way of the device to prevent potential harm or damage. When programming a garage door opener, the door moves up or down. When programming a gate operator, the gate opens or closes. Do not use the integrated remote control with any garage door opener that lacks safety stop and reverse features as required by U.S. federal safety standards (this includes any garage door opener model manufactured before April 1, 1982). A garage door that cannot detect an object - signaling the door to stop and reverse does not meet current U.S. federal safety standards. 1 5 6 Indicator lamp Hand-held transmitter button Hand-held remote control transmitter (not part of the vehicle equipment) 2 3 4 Signal transmitter button 231