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- Deactivate Alarm on Mercedes W124: Battery Connection, Remote Control, Engine Start

alankulak1901 8739 10
Best answers LABEL_AI_GENERATED

How can I deactivate or reset the alarm on a Mercedes W124 so the remote works and the engine will start?

You need to identify the alarm unit first, because the usual fix is either to re-pair the remote or disconnect the alarm controller itself [#16399354] A common pairing method is to close all doors, arm the alarm, then disarm it and open a door; another method is to sit inside with the door closed, switch on the ignition, then press close and open on the remote [#16398705] If that does not help, locate the alarm control unit/service button and follow the instructions for that exact alarm type [#16399354] The unit may be hidden under the rear seat, in the passenger footwell, or above the driver’s knees [#16399402] [#16399431]
AI summary based on the discussion. May contain errors.
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  • #1 16398236
    alankulak1901
    Level 13  
    Posts: 237
    Help: 6
    Rate: 35
    Hello, this car is in my garage and I want to leave it, but I have a problem, I cannot turn off the alarm after connecting to the battery, so I replaced the battery in the remote control with a new one, but also nothing, it never was, and I will not start the engine with the alarm. The alarm loudspeaker has been disconnected because it sometimes turns on by itself.
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  • #2 16398325
    marianm68
    Level 18  
    Posts: 204
    Help: 19
    Rate: 85
    What is this alarm? 124 had "factory" alarm?
    If there is a "out of factory" alarm, there should be no problem with disconnecting it. It is a matter of knowledge and skills.
    Basic question: what is this alarm?
    Perhaps it is enough to "pair" the remote control with the control unit.
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  • #3 16398584
    alankulak1901
    Level 13  
    Posts: 237
    Help: 6
    Rate: 35
    I don't know what the alarm is, apparently the sensor is near the battery. How to pair it with the switchboard?
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  • #4 16398705
    tzok
    VIP Meritorious for electroda.pl  
    Posts: 38899
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    Rate: 6559
    Most often, you just need to close all the doors, arm the alarm, then disarm it and open the door, another option is sitting inside, the door closed, turn on the ignition and press closing and then opening on the remote control.
  • #5 16398826
    Ireneo
    Level 42  
    Posts: 7845
    Help: 747
    Rate: 2473
    Give me a photo of the pilot at least ....
  • #6 16399354
    marianm68
    Level 18  
    Posts: 204
    Help: 19
    Rate: 85
    Photo of the remote control may not help. It would be best to locate the switchboard and determine what the alarm is. There should be a "service button" for pairing at the switchboard. You need to define the type of alarm and then find instructions for it.
    Or find the control panel and disconnect the alarm.
    I'm afraid you won't leave this garage without knowing what the alarm is!
  • #7 16399387
    alankulak1901
    Level 13  
    Posts: 237
    Help: 6
    Rate: 35
    - Deactivate Alarm on Mercedes W124: Battery Connection, Remote Control, Engine Start

    It's from the net but it's the same remote.
    The remote control is infrared, I wonder what the green button is for.
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  • #8 16399402
    Ireneo
    Level 42  
    Posts: 7845
    Help: 747
    Rate: 2473
    Extra bed, radio, search for central and disconnect.
  • #9 16399411
    alankulak1901
    Level 13  
    Posts: 237
    Help: 6
    Rate: 35
    What places could she be? Apparently near the battery, but I'm not sure.
  • #11 16585444
    alankulak1901
    Level 13  
    Posts: 237
    Help: 6
    Rate: 35
    Ok sensor replaced and everything works.
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Topic summary

LABEL_AI_GENERATED
The discussion revolves around deactivating an alarm system on a Mercedes W124 after reconnecting the battery. The user is unable to turn off the alarm despite replacing the remote control battery. Responses suggest that the alarm may be factory-installed or aftermarket, and recommend pairing the remote with the control unit. Various methods to disarm the alarm are proposed, including closing all doors, arming and disarming the alarm, and using the ignition. Locating the alarm's control unit and service button is advised for further troubleshooting. Ultimately, the user successfully replaced a sensor, resolving the issue.
AI summary based on the discussion. May contain errors.
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