Why does my SLK alarm go off at night?
If your slk alarm goes off in the middle of the night it is likely to be the back-up rechargeable battery located within the alarm unit ( not in the central locking pump ). Reason for this is the battery voltage drops in the cold just like a 12v car battery does.
When does the car alarm go off on a Mercedes?
Mercedes alarm may go off even when no one is trying to steal the car. We have seen many cases when a Mercedes alarm (siren) goes off during the night while the car is parked, when you try to lock the car or during extremely cold weather. This past week we worked on a Mercedes-Benz where the alarm would go off randomly in the middle of the night.
Why does my car alarm go off in the middle of the night?
The battery in your alarm siren can go bad causing alarm to go off. You lock the car doors and a few seconds later the car siren goes off for no apparent reason. Hazard lights start to flash. Or in the worst case scenario, the alarm goes off in the middle of the night Many cars including Mercedes-Benz have sires with build in batteries inside them.
Where is the siren pack on a SLK 320?
it should be under the windscreen scuttle in the center. I’ve got a 2000 “facelift” SLK 320, and I think the siren is under the plastic trim, between the front screen and the engine bay “wall”. I say think, because I too am having trouble with my alarm, and one of next jobs is to find the siren pack, and check its condition.
Mercedes alarm may go off even when no one is trying to steal the car. We have seen many cases when a Mercedes alarm (siren) goes off during the night while the car is parked, when you try to lock the car or during extremely cold weather. This past week we worked on a Mercedes-Benz where the alarm would go off randomly in the middle of the night.
Why does my Mercedes SLK Class alarm keep going off?
You’ll see yellow foam insulation around the PSE. Chances are, water has leaked in via the hose, and is INSIDE the PSE module.
The battery in your alarm siren can go bad causing alarm to go off. You lock the car doors and a few seconds later the car siren goes off for no apparent reason. Hazard lights start to flash. Or in the worst case scenario, the alarm goes off in the middle of the night Many cars including Mercedes-Benz have sires with build in batteries inside them.
Why does the siren go off in a Mercedes Benz?
When the siren batteries fail, it can cause the alarm to go off. Change the siren batteries or replace the siren itself if found defective. In most cases, the siren is near the driver side wheel well. Check out this post on MBWorld to learn about a few cases with this exact problem. Newer Mercedes-Benz cars are equipped with both a Horn and Siren.
What kind of battery is in SLK R170 alarm siren?
Use a wide sharpe wood chisel to split the case ( slowly and carefully – do not let the chisel enter the case ). Inside you find a circuit board with a plug and lead going the the battery. The battery is behind a cover ( 3 x screws ) and is a Varta 7.2 volt 150 mAh rechargeable Ni-MH.
Where is the PSE unit on a Mercedes SLK?
Check the PSE unit in the trunk, passenger side, towards front, behind CD-player. Fairly easy to get to just pull the trunk bottom panel out so you can see the spare tire, then it’s a few clips I think to get the panel off. You’ll see yellow foam insulation around the PSE.
Why is my SLK 230 alarm going off for no reason?
Ask a mechanic for answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. SLK 230 alarm is going off for no reason. I’m having a problem where…
What kind of battery does a Mercedes Benz alarm need?
It’s a 12 volt (motorcycle size battery), and costs about $140-$150 from the dealership. My existing battery only had a 8volt charge, and would work during the day, but drain and activate the alarm at night. After installation, the alarm works, the keyless entry works, the Radio picks up channels better, and the “Battery” warning went away.
Do you call Mercedes every time the alarm goes off?
BTW, does mercedes call you guys every time the alarm goes off, cause they do that to me. Must be annoying to be getting calls all the time [ ] [ ] [}] I like to think of the mb alarm as nice door unlock No they don’t call, or at least they dont call me. Deathy if its been raining A LOT try to get your car undercover, seriously.
What should I do if my car alarm does not shut off?
Remove the fuse. If the alarm shuts off, you have pulled the correct fuse. If the alarm doesn’t shut off, re-install the fuse and try another one until you find the correct fuse. Once the alarm has shut down, reinstall the fuse and see if this resets the system.
Is there a way to disable the alarm?
Did you ever find a solution to this? Sounds like the battery in the alarm siren is starting to go. When there isn’t enough juice to get a diagnostic back from the car’s sensors, the alarm will begin to go off at odd times, sometimes looking as if it goes into “tow mode.”
Why does my Mercedes Benz alarm keep going off?
Had same problem with my 2000 SLK230… Here’s an excerpt from the invoice for the warranty repair on my 2000 SLK230. “Customer states alarm will go off whether car is locked or unlocked. Found PSE pump & anti-tow sensor faulty test.
Why does my car alarm keep going off?
Our experience was that if we left the door ajar, the alarm would no go off. Of course, this does not work well if the car is not garaged. Hope this helps. Do a search on PSE pump in this forum and you will find that this (unfortunately) is not that uncommon.