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Home >> Mercedes Benz >> 1995 >> E420 >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Anti-Theft & Central Locking System - 140 Chassis) >> Basic Knowledge >> Locking status confirmation, function - GF80.30-P-3005A

Locking status confirmation, function - GF80.30-P-3005A

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 129, 140 as of 1.6.97 

MODEL 170 as of 1.6.97 except CODE (491) US version except CODE (498) Japanese version 

MODEL 170 as of 1.2.97 with CODE (491) US version 

MODEL 170 as of 1.3.97 with CODE (498) Japanese version 

The locking status of the radio frequency/infrared DAS control module is confirmed by the turn signals. The radio frequency DAS control module (N54/3) or the radio frequency/infrared DAS control module (N54/4) transmits a ground signal to the combination relay or the lock confirmation relay.

Lock confirmation relay models 129/140 

Radio frequency/infrared DAS control module (N54/4) ↓ combination relay (N10/2) ↓ turn signals

Lock confirmation relay model 170 

Radio frequency DAS control module (N54/3) ↓ lock confirmation relay (K54) ↓ turn signals

IMPORTANT When the hazard warning flasher is switched on the turn signals are not actuated.

When vehicle is locked 

the turn signals flash 3 times at a frequency of 1.5 Hz.

When vehicle is unlocked 

the turn signals flash once

IMPORTANT

If desired by customer the programming for confirmation with the turn signals can be cancelled with the version coding feature using the handheld tester.

USA ONLYJAPAN ONLY

Unlocking or locking the vehicle manually with the driver's door lock cylinder or the trunk lid lock cylinder also triggers an unlocking or locking procedure.

In this case the turn signals are not actuated.

  Remote control key with transponder, purpose/design/function   GF80.30-P-4001B
  Pneumatic system equipment (PSE), purpose/design/function/location   GF80.30-P-4004A 
  Infrared remote control receiver, purpose/function/location MODEL 129, 140 GF80.30-P-4009A 
  DAS radio frequency/infrared control module, purpose/location MODEL 129, 140 GF80.30-P-4012A 
  Lock confirmation relay, purpose/function/location MODEL 170 GF80.30-P-4005A
  Remote control key, purpose/design /function MODEL 170 GF80.57-P-4101B
  DAS radio frequency control module, purpose/location MODEL 170 GF80.57-P-4105A