W211 2003 alarm noise coming from driver door

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Maptcuto

New Member
Joined
Aug 25, 2020
Messages
4
Location
Manchester
Car
Mercedes E270 2003
Hi guys, i have this problem with the alarm noise coming from my driver's door as soon as i unlock the car. There is no warning lights on the dashboard and this beeping noise repeats now every minute or so . Anyone had the same problem and know what it might be?
Thanks!
 
As I recall, the alarm siren is in the front wheel arch. I think it is telling you that its battery is defunct.
 
Do you mean the small battery as i changed the big one 1 year ago?
Thank you!
 
No, there is a battery incorporated in the siren so it contiues to suond if the main battery(s) are disconnected.
 
Do you mean the small battery as i changed the big one 1 year ago?
Thank you!


No, its the actual alarm battery which is sealed and attached to the Siren, you need to swap it. its located behind the wheel arch.
 
I see thanks very much. Do i need to take out the wheel arch or the cover over the tyre to change it?
Thank you!
 
Wheel off, arch liner off.

I really need to make a video on it... anyone in South east and need it doing? (for free)
 
Thanks very much mate i will try to find a video and do it by myself.
 

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