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Old 04-17-2015, 03:49 PM   #1
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Default Brake controller

I have a 2015 Forest River Solera ( 2014 Sprinter chassis ) And want to add the new Brake Buddy Stealth Brake controller which has both Dingy and trailer braking capability. I know I have the trailer connector at the rear of my motor home but is there already wiring running to the cab somewhere to connect the controller??
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Old 06-17-2015, 01:05 PM   #2
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Default Re: Brake controller

I was informed on another forum that there is no brake feed wire on the Sprinters. This may be due to use of surge brakes in Europe. Since the installation of a feed wire is very difficult, it was suggested that a better option would be to use a wireless Tekonsha brake controller. I would suggest to Mercedes that if they intend to use their chassis in the US RV market, they would be wise to include a very inexpensive wire for this purpose that is compatible with their electronics. In the US, all towable RV brakes are electric.
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Old 06-17-2015, 01:21 PM   #3
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Default Re: Brake controller

Chances are, if you have the 7 way trailer electrical connector already in your Solera that the basic Sprinter came to Forest River equipped
with the OEM factory installed trailer towing package.
If so, there will be a green 4 pin brake controller connector already installed down in the under drivers seat box.
If you are not sure on the factory trailer wiring install (this gives you the Trailer Stability Assist) click on "sailquik" at the top of this post and
send me an email with your VIN # and a valid return email address.
I'll send you your OEM Build Data Card as a .PDF file.
Then you will know ALL the options that were installed when your Sprinter was originally built in Germany.

For Hexnut......Who ever "INFORMED" you that there is no brake feed wire in Sprinters was absolutely wrong.
You can have the full trailer electrical wiring package OEM factory installed.
It's an option, so it does not come standard on all Sprinters, but it's the only way you can get the extra safety
feature "Trailer Stability Assist".
You can suggest anything you like to Mercedes Benz on this....but they already have it covered....the prospective
Sprinter owner just needs to order it in their Sprinter.
If you are not sure, a quick VIN # search on epc.startekinfo will clearly differentiate whether or not the OEM Factory
trailer wiring and cross member were installed.
Also you can look for the "green connector" in the drivers seat box. Only one way to get that....order the OEM Trailer towing options.
Hope this helps,
2014 Sprinter 516 series (3500 DRW) 170"/4325 mm wb Hi Top Short Back
OM-651 I4 2.143 liter two stage turbo charged with 36.9 PSIA MAP Limit Valve
7 Speed 7G-Tronic, manually shiftable, automatic transmission.
Suspension Seats, Active Safety Package +, Parktronic, OEM Hitch/wiring
OEM back up camera, Bi Xenon light package, fog lamps, headlight washers.
Had 2006 T1N 3500/158|2010 NCV3 519/3500/144|2011 & 2012 NCV3 519/3500 170
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Old 06-21-2015, 08:43 PM   #4
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Default Re: Brake controller

Sorry that I was mis-informed, but I am happy to see that someone in-the-know cleared this up because I may have to make use of this information after my MBS 2400R arrives. Thanks.
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Old 06-21-2015, 09:15 PM   #5
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Default Re: Brake controller

We have a 2007 with the dealer installable towing package which we have used multiple times only to run lights.
Now we need to hook up a brake controller and we only see a single blue wire under the drivers seat to connect the brake controller.
What are we missing?
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Old 07-22-2019, 02:35 PM   #6
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Default Re: Brake controller

My Solera does not have the green connector under the seat. The trailer plug appears to have been installed by Forest River rather than Mercedes. This blue wire seems to disappear into the fuse pannel sharing space with the water pump and filter.

Can someone confirm that this is the correct wire to connect to the brake controller?

Thank you

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