Mercedes - Horn as Alarm Chirp?

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Mon 16 Oct 2023 19:41
Mercedes - Horn as Alarm Chirp? - Simoncelli58

Hi, when I lock my car, instead of an independent alarm Chirp, the horn peeps very briefly.

Is this legal in the UK at night time?

I'm sure the Highway code says not.

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Mon 16 Oct 2023 22:13
Mercedes - Horn as Alarm Chirp? - elekie&a/c doctor
Don’t recall the horn being connected to the alarm system on a Mercedes.
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Mon 16 Oct 2023 22:23
Mercedes - Horn as Alarm Chirp? - RT
Don’t recall the horn being connected to the alarm system on a Mercedes.

Maybe a third-party aftermarket alarm?

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Mon 16 Oct 2023 22:49
Mercedes - Horn as Alarm Chirp? - Simoncelli58

The horn is used as an alarm on a few different models of Mercedes-Benz.

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Tue 17 Oct 2023 13:04
Mercedes - Horn as Alarm Chirp? - alan1302

The horn is used as an alarm on a few different models of Mercedes-Benz.

Unlikely to be illegal then.

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Tue 17 Oct 2023 17:43
Mercedes - Horn as Alarm Chirp? - Simoncelli58

Well it's illegal to use your horn at certain times of the night.

So what makes you say it's OK on an alarm system?

I'm guessing you are a lawyer, or maybe a Mercedes-Benz designer?

Edited by mickyh7 on 17/10/2023 at 17:44

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Tue 17 Oct 2023 19:08
Mercedes - Horn as Alarm Chirp? - elekie&a/c doctor
Can’t think of any Mercedes model since year 2000 that sounds the horn for alarm . Is this a UK spec car ?
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Tue 17 Oct 2023 20:05
Mercedes - Horn as Alarm Chirp? - Simoncelli58
Can’t think of any Mercedes model since year 2000 that sounds the horn for alarm . Is this a UK spec car ?

Yes, and on the M/B forums, the folk in the know, tell me that quite a few different models use this system.

I only enquired there, because I felt it sounded a bit cheap! And I'm guessing it is a cost saving on build.

I've turned it off now.

Mine is not new, but 2019.

It was on the M/B forum, where somebody mentioned the legality of using a horn at night!

So hence the question.

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Tue 17 Oct 2023 21:21
Mercedes - Horn as Alarm Chirp? - alan1302

I'm guessing you are a lawyer, or maybe a Mercedes-Benz designer?

Neither of those two options - just following the train of though Mercedes-Benz is unlikely to sell an illegal car in the UK.

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Tue 17 Oct 2023 21:33
Mercedes - Horn as Alarm Chirp? - Simoncelli58

My thoughts as well but......

It uses a Horn.

It's illegal to sound a Horn between certain hours?

Both facts can't exist together, legally?

Edited by mickyh7 on 17/10/2023 at 21:33

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Tue 17 Oct 2023 21:58
Mercedes - Horn as Alarm Chirp? - elekie&a/c doctor
I’ve not seen a 2019 Mercedes sound the horn on locking . Is it a selectable option on the car features menu ?
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Tue 17 Oct 2023 22:14
Mercedes - Horn as Alarm Chirp? - Simoncelli58
I’ve not seen a 2019 Mercedes sound the horn on locking . Is it a selectable option on the car features menu ?
Yes, in the menu.

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