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Home >> Mercedes Benz >> 2003 >> ML 320 (163.154) V6-3.2L (112.942) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Keyless Entry >> Keyless Entry Transmitter >> Testing and Inspection >> Synchronization/Reprogramming of Transmitter Keys
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Synchronization/Reprogramming of Transmitter Keys


Synchronization of Transmitter keys
In order to synchronize the transmitter keys, please perform the following steps:
- Insert the transmitter into the ignition lock
- Test to see if the transmitter key has been recognized as a valid (ATA status indicator lamp [E33) Minks)
- Remove the transmitter key from the ignition lock
- Then within 1 minute: Press and hold the open button and at the same time press the "close all" button five (5) times Lastly, press one of the desired buttons as necessary
Only after the completed synchronization process is the remote function of the transmitter possible

Additionally, it may be necessary to resynchronize a transmitter key if the transmitter battery has been replaced.
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