MB FBS3 BGA KeylessGo Key 4 Button
Highlights of Xhorse MB FBS3 BGA KeylessGo Key
1. Work on W204 W207 W212 W164 W166 W221
2. Support exchange frequence 433MHz/315mhz
3. Keyless entry + Push Button Start
4. No need battery insertion for writing data by infrared
5. Stable & Reliable
Mercedes-Benz Smart/Semi-Smart Instruction Manual
——Applicable to 3-button/4-button
Frequency Switching and Erasure
Press and hold the "Lock Car" + "Trunk" buttons simultaneously. Wait for 5 seconds until the light flashes once, indicating entry into the "Lock Button Combination" function.
Immediately press the "Trunk" button 3 times to switch the key to 315 frequency;
Or press the "Trunk" button 4 times to switch the key to 433 frequency;
Or press the "Trunk" button once to erase the key, with status 21 (for VVDI);
Or press the "Trunk" button 6 times to erase the key, with status 0000 (for Beast);
Then release all buttons. The light will flash after 2 seconds, indicating that the setting is effective.
Four-Door Switching
Press and hold the "Lock Car" + "Unlock Car" buttons simultaneously. Wait for 5 seconds until the light flashes once, indicating entry into the "User Combination Key" function.
Immediately press the "Lock Car" button twice to switch between single-door and four-door modes;
Then release all buttons. The light will flash after 2 seconds, indicating that the setting is effective.