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How to replace the Battery in a 2018 Mercedes-Benz Sprinter 3500 RV Group H8/49

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Here is a How-To video to replace the chassis battery in a 2018 Mercedes-Benz Sprinter 3500 RV. The battery on our 2019 Thor Freedom Elite 24fe went dead and would not hold a charge. Decided to go with an AGM replacement with a 4 year warranty at Battery+Bulbs.
Replacement Battery specs: Group H8 or 49.
12V 49 AGM
DUR-9A49
SLI49AGM
Battery drain is a problem on Sprinter based RV's and there is a disconnect switch you should unplug if not running it for a week or so.
Tools needed-
10mm socket with extension
10mm wrench
T25 Torx
Some electrical tape if you want to clean up the wiring.
It's a pretty easy job to do yourself. Just lifting battery in and out can be a little tricky.

Опубликовано:

17 авг 2024

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Комментарии : 30

@tblink1930 4 месяца назад

Thanks for the detailed video. I have a similar year and model MBS RV and I am replacing my battery. I had a problem as I discovered a random blue wire connected to a 30 amp fuse which was not connected to anything. The red wire was connected to the positive terminal. Upon watching your video I noticed you have a similar fuse container, and that your blue wire was not connected as well. Thanks and this was very helpful.

@jweesies1 10 месяцев назад

Thanks for this!! You saved me so much money in NOT having to get my RV towed to Mercedes. I got a friend to help me and we were able to swap the battery.

@DonaldBlodger 7 месяцев назад

Thanks for the video. Never could have replaced the battery w/o your video.

@bdwillis8284 11 месяцев назад

Thank you for showing me this. One of my chores this weekend.

@bdwillis8284 11 месяцев назад

Completed, wasn't bad as all, thanks again.

@jchaput3 2 года назад

OMG..Thanks so much for the video. After taking off the cover plate and looking at the wiring I decided it was not a job for me. Thanks to you I will be surely save some money doing this myself.

@DeeYohsGarage 2 года назад

It's not a hard job. Glad I could help you.

@jasonp1319 2 года назад

Thanks. Really appreciate the detail on the tools to bring. Helpful.

@markpoedtke6259 2 года назад

I have a 2013 sprinter reyo mercedes, just a heads up in the Manuel it said to turn the engine key to the on position wait 20 seconds before disconnect, also same for reconnecting battery so you don't mess up the electric system. But of course I didn't do this but so far so good.

@ericfenclau159 6 месяцев назад

Very Good detailed video. Thanks

@dawnross644 11 месяцев назад

May try to do myself…….weak 67 yo woman. But, will see….EXCELLENT HOW TO VIDEO !! TY !!

@earthling1900 3 года назад

Great video. About to change the battery on my 2016 View. Thanks!

@DeeYohsGarage 3 года назад

There's alot of good information on our Facebook page Mercedes-Benz Sprinter RV group. Join that.. others have posted video's of Sumo Spring install and so forth :D

@maratik999 3 года назад

Thanks for sharing. Very helpful

@davidfoppe636 3 года назад

Great tutorial. It really helped.

@mehmetkozansoy6808 3 года назад

thanks mate

@markpoedtke6259 2 года назад

Thank you for making a great video

@brianshoemaker8393 3 года назад

Thank so much!

@skippy9659 3 года назад

Thanks!

@nancycrosby3153 4 года назад

Thank u

@DeeYohsGarage 4 года назад

Welcome :D

@dianathiel5595 3 года назад

What battery did you use for your replacement I'm trying to find a battery for a 2017 Merecedes Sprinter Era but I'm not having any luck. It has the 3 post like what you just installed but I couldn't tell what that battery was. Any help would be greatly appreciated. Thanks

@DeeYohsGarage 3 года назад

Replacement Battery specs: Group H8 or 49. 12V 49 AGM Model Numbers- DUR-9A49 Or- SLI49AGM

@dennishyde7008 3 года назад

Appreciate the video. In the future, cut out the removing the bolts and just say what size. I didn’t see or hear what type of battery is actually in there!

@DeeYohsGarage 3 года назад

Size and type is in the description. :D

@HRradness 3 года назад

Thanks I am about to replace the battery on our 2017 Via. This looks like the Duracell battery at batteries+? I was going to go with the die hard AGM group 49 battery but this one gets great reviews and has a four year warranty ….is that why you chose this one?

@DeeYohsGarage 3 года назад

Yes, I wanted the 48 Month Free Replacement Warranty. Our sprinter will kill our battery if we don't run it. Since it's an RV, it does sit for extended periods.

@HRradness 3 года назад

@@DeeYohsGarage ok great info I priced out the Duracell and I will probably get it tomorrow. Ours is the original and it seemed to be doing fine but I let it sit a few weeks without running it and I didn’t know about the battery disconnect plug by the drivers footwell. It was as dead as a door nail, couldn’t bring it back to life with a trickle charger. Lesson learned and it was supposed to be replaced this year anyway from what I read

@DeeYohsGarage 3 года назад

@@HRradness Your battery did much better than ours. The orginal didn't even last us a year. I wasn't using the disconnect either :D So far the Duracel in there holds much longer than the orginal ever did. I can tell after a few weeks that its getting low but never fails to start the RV. I'll be replacing the BIM under the passenger seat with a 12v dc/dc charger. We have solar and the house battery never dies and usually has a full charge. This will let the solar charge the chassis battery also when the house battery is full.

@papabapyro8169 2 года назад

@@DeeYohsGarage guess I got lucky I’m changing mine now. It’s the original from 2008. I do keep my rv plugged in when not in use but now it will die overnight when boondocking. Cheers