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Transmitter Key, Basic Function - GF80.35-S-2001A

Model All (Light transporter) 

Key functions (example: vehicle equipped with EASY-PACK liftgate and/or separately opening rear window) 

G16501505Courtesy of MERCEDES-BENZ USA

Structure 

An "electronic key" is integrated in the transmitter key This contains a FM radio transmitter, a computer chip as well as a battery (button cell).

In vehicles with KEYLESS-GO an RFID tag and motion detector are also integrated in the transmitter key (vehicle-dependent)

The following control elements are also integrated:

Task 

The following functions can be operated with the transmitter key:

IMPORTANT The unlock setting (selective/global) can be changed and the key functions deactivated on the transmitter key. This is described in the owner's manual for the vehicle.

The driver's door can be locked/unlocked with the integrated mechanical emergency key.

The transmitter key communicates with the vehicle via a wireless connection.

The transmitter key monitors the state of charge of its battery itself and indicates this via the red indicator lamp.

IMPORTANTVehicles with KEYLESS-GO 

Radio signals are only transmitted if the integrated motion detector detects movement

  Function schematics     
  Function schematic for detection of transmitter key position Model 420 PE80.20-S-2503-97VRA
  Additional basic functions     
  Authorization of transmitter key/mobile phone, basic function   GF80.20-S-1004A 
  Central locking system, basic function   GF80.20-S-9900A 
  Drive authorization system, basic function   GF80.57-S-9900A 
  KEYLESS-GO antenna, basic function   GF80.61-S-2001A 
  KEYLESS-GO door handle, basic function   GF80.61-S-2003A 
  KEYLESS-GO control unit, basic function   GF80.61-S-9891A 
  Detailed information     
  KEYLESS-GO antenna, detailed information Model 420
with code FX9 (KEYLESS-GO)
GF80.61-S-2500-01A