Mercedes E320 (W211) Anti-theft siren replacement! FAULTY ALARM

Welcome back! Today we will be addressing the issue with the alarm going off constantly on this E320!! The only way I was able to source a new part was through ebay. Currently the siren alarm is not available at the moment due to supply shortage.
Alarm keeps going off.
W211Alarm
Anti-theft system
why does my alarm keep going off?
E320 Mercedes alarm system
Email: [e-mail]
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Due to factors beyond the control of Foreign Werks, I cannot guarantee against improper use or unauthorized modifications of this information. Foreign Werks assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information AT YOUR OWN RISK. Foreign Werks recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Foreign Werks, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Foreign Werks!

[@Houstonpaki1]

Informative Video. Is it possible to know the old or used part number. Thanks

[@Fwerks.1592]

I'm sorry, I did keep the old part so I wouldn't able to get the part number. Also for the new part, I ordered it from ebay, since no one at the time carries it. I called the dealer, Ecs tuning, pelican, Fcp Euro, rm European and no one has this part in stock! So I went with something similar on ebay.

[@jamesregister3734]

battery ! ! , did not test the battery ! ? .

[@Fwerks.1592]

The battery on the siren alarm? Which battery are you referring to?

[@vidsforsquids]

Let us know if that fixed it !!! 🙂👍🏼

[@Fwerks.1592]

So far so good this E class has not went off since Sunday!

[@motomoto8080]

I think I have the same issue..parasitic draw to my battery.now no sound from alarm and my car won't even start.

[@brungbraze]

@@motomoto8080 i have this issue right now with my car alarm goes off only fog lighta blink no sound then battery dies , what was your issue and how did you repair it ?