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Home >> Mercedes Benz >> 2011 >> C350 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft/Central Locking System - C63/C350 (204) - 2 Of 2 >> Basic Knowledge >> Keyless Go, function (MODEL 204.0/2 with CODE (889) Keyless Go up to Model Year 8) - GF80.61-P-0005CW

Keyless Go, function (MODEL 204.0/2 with CODE (889) Keyless Go up to Model Year 8) - GF80.61-P-0005CW

MODEL 204.0/2 with CODE (889) Keyless Go up to Model Year 8 

General information 

The Keyless Go system (KG) allows access to the vehicle and starting the vehicle engine without using the transmitter key (A8/1). It is sufficient to just carry the transmitter key

IMPORTANT Operation of the central locking (CL) via the transmitter key remains possible parallel to the Keyless Go functions.

The KG system allows the follow partial functions: 

IMPORTANT The anti-theft alarm system (ATA) (with code (551) Anti-theft alarm system (ATA)) functions in the same manner as when locking/unlocking the CL with the transmitter key.

Position determination of transmitter key (shown on model 204.0) 

A position determination of the transmitter key is required for the individual functions. When the

Fig 1: Position Determination Of Transmitter Key
G07531907Courtesy of MERCEDES-BENZ USA

The determined position is transmitted by the transmitter key via radio signal. The TV 2 and KEYLESS GO antenna amplifier (A94/2) edits the signal and relays it to the KEYLESS GO control unit (N69/5).

Keyless Go, location of components GF80.61-P-0005-01CW 
Keyless Go, block diagram GF80.61-P-0005-02CW 
Locking/unlocking, function GF80.61-P-2008CW 
Engine start/stop, function GF80.61-P-3012CW