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Old 05-16-2018, 12:12 AM   #1
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Default Coach alarms

Hi everyone I'm new to the site , and I was wondering if anyone added a aftermarket alarm to there class b
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Old 05-16-2018, 12:34 AM   #2
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Hi everyone I'm new to the site , and I was wondering if anyone added a aftermarket alarm to there class b
I did a Viper 5706V install a few years ago. Here is an older thread that discusses various installs (including mine) in detail:

http://www.classbforum.com/forums/f5...tems-1154.html
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Old 05-30-2018, 04:09 PM   #3
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I don’t have an alarm, but I make sure I’m fully prepared to address any threat while I’m inside the vehicle. If I’m away from the vehicle, that might be a problem.
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Old 05-31-2018, 01:24 AM   #4
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Default Alarm

We had a remote start (MB OEM) and an alarm system installed in our 2017 PW Ascent.
I wouldn’t do either again, it was a waste of money. We have never used either feature. Spend your money replacing the Becker in-dash system with something good.
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Old 05-31-2018, 01:42 AM   #5
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Putting in some kind of hot wire proof kill switch is probably one of the most effective things that you can do. With a lot of ways to do it, you can have it so the van starts, but then dies in very short time, so the van would likely be in a moved place that the thieves don't want to be.


As long as they don't get the entire van, any losses of a breakin can be kept to a minimum, especially if you also have a small safe for valuables.
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Old 05-31-2018, 05:43 AM   #6
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Default Alarm cost??

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Originally Posted by avanti View Post
I did a Viper 5706V install a few years ago. Here is an older thread that discusses various installs (including mine) in detail:

http://www.classbforum.com/forums/f5...tems-1154.html
Could you please disclose what you paid to have your alarm installed??
I've heard that they are VERY difficult and expensive on a Sprinter .. $$$$...

Thanks.
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Old 05-31-2018, 03:25 PM   #7
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Could you please disclose what you paid to have your alarm installed??
I've heard that they are VERY difficult and expensive on a Sprinter .. $$$$...

Thanks.
I did it myself. It is very easy and quick. At least it was when I did it a couple of years ago.

The key is a device called a "DBALL 2", which is what people in the car alarm world call a "bypass module". What it really is is a simple programmable interface between a "dumb" alarm and a given vehicle's CANbus. You need to either learn how to program it yourself using an inexpensive programmer, or else find a supplier (most likely on eBay) who will sell you one pre-programmed for your specific vehicle, which is what I did.

This used to be easy, but I have heard rumors that the manufacturer has recently replaced the DBALL 2 with a newer device that they have locked-down so as to protect the rip-off "certified installers" who are the source of your $$$$ rumors. I don't know for sure, but there still seem to be DBALLs around, so you may want to move quickly.

I wrote a detailed tutorial on how to do this very simple install over at Sprinter Source:

https://sprinter-source.com/forum/sh...744#post399744

I really want to emphasize how simple this really is. There are literally only FOUR wires to connect between the alarm system and your van: Power, GND, and the two CANBUS wires. The industry tries hard to make all of this difficult and mysterious, but it is not.
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Old 05-31-2018, 07:01 PM   #8
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I also have the Viper 5706V alarm that I installed myself. It was an easy installation, just 4 wires to connect to the vehicle as Avanti mentioned. The CAN Bus 2-wire connector is the tricky part, MB don’t sell those, you can either find a connector from salvaged parts or DIY one from a 2 pin PC connector.

Words of caution before you proceed though, the “bypass module” DBALL 2 has some quirks, occasionally it will randomly lock/unlock the vehicle or stops responding (at least on mine). I have read similar reports/complaints about this including owners that had their power door lock actuators burnt out from the rapid locking/unlocking cycle while their vehicle is parked. The only way to make it work again is to reset the DBALL 2 by unplugging it from power. I probably reset mine 2 or 3 times after more than 2 years of use, others have been lucky and reported no problems with theirs. DEI (maker of the alarm/ DBALL 2) will not help you or honor warranty if you get your alarm or had it installed from somewhere else other than their “Authorized Dealers”.

Another bad news is DEI had locked down their website access from casual users like us, only Authorized dealers have full access to their site. You need access to their site for programming the DBALL, although there are sellers on EBAY that sells pre-programmed DBALL 2, if you need to change settings or needs reprogramming you’re out of luck. LASTLY, DEI has dropped their support on MB Sprinters. The newest DBALL 3 does no longer support Sprinters. I have since deactivated my alarm as I got paranoid/tired of dealing with it, who needs an alarm that opens the door for the thieves to get into your van. So, do your research first and tread lightly…good luck.

Edit: The Viper 5706V is about $200 and DBALL2 is around $50. Optional sensors like glass breakage sensor is around 20 bucks.
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Old 05-31-2018, 07:17 PM   #9
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Words of caution before you proceed though, the “bypass module” DBALL 2 has some quirks, occasionally it will randomly lock/unlock the vehicle or stops responding (at least on mine). I have read similar reports/complaints about this including owners that had their power door lock actuators burnt out from the rapid locking/unlocking cycle while their vehicle is parked. The only way to make it work again is to reset the DBALL 2 by unplugging it from power. I probably reset mine 2 or 3 times after more than 2 years of use, others have been lucky and reported no problems with theirs.
FWIW: My system has performed flawlessly from day 1.

If mine ever hung in the way described, I would disconnect it, too. But so far it hasn't. I would suspect faulty programming.
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Old 05-31-2018, 07:58 PM   #10
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FWIW: My system has performed flawlessly from day 1.

If mine ever hung in the way described, I would disconnect it, too. But so far it hasn't. I would suspect faulty programming.

I highly doubt it is a programming issue. I bought it pre-programmed and even bought an XKLOADER and reprogrammed it myself, took it to BestBuy one time for reprogramming with same results. There are similar reports over at Sprinter-forum with busted door lock actuator as a result.
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