2003 E500 aux battery
It seems like and my manual says the aux battery is 12v but the one in my car seems like a 6v motorcycle battery. It's a oem battery with MB stickers on it so I don't think anyone installed it by mistake. My question is the aux battery 6v or 12v, can either version be installed without hurting anything?
Autozone GTX 14-BX FG AGM
Walmart everstart Maxx 14-BS AGM
Interstate CYTX 14-BS (at local firestone) Or Harley Davison
Delco GTX 14-BS
Napa 740-1866?? Not sure if # is correct
Yacht CTX12-BS ETX-12/12BS
Sears CB12C-A
Yuasa YB12AL-A2
Possible just 14-BS will work.
Battery dimensions
WxDxH 6”x3 ¼”+ x 6”
Note + Terminal is on right side when looking at the back side of the battery.
Don't be all 'brand new' and try something unproven..
Take it from me, I get advice from some of these peeps on here ALL THE TIME..
I've learned to trust what the Corvette says.....
Get one of the batteries on the list.....
Don't be all 'brand new' and try something unproven..
Take it from me, I get advice from some of these peeps on here ALL THE TIME..
I've learned to trust what the Corvette says.....
Get one of the batteries on the list.....

On the side I did went to Autozone but they don't have the GTX 14 bx model in stock. I'll probably check on Walmart for the everstart tomorrow.
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Autozone GTX 14-BX FG AGM
Walmart everstart Maxx 14-BS AGM
Interstate CYTX 14-BS (at local firestone) Or Harley Davison
Delco GTX 14-BS
Napa 740-1866?? Not sure if # is correct
Yacht CTX12-BS ETX-12/12BS
Sears CB12C-A
Yuasa YB12AL-A2
Possible just 14-BS will work.
Battery dimensions
WxDxH 6”x3 ¼”+ x 6”
Note + Terminal is on right side when looking at the back side of the battery.
Pull the aux bat, match it with one of these. Note the type of terminals and +post location. Remember don't short the termials if you don't disconnect the main (trunk) battery.
Autozone GTX 14-BX FG AGM
Walmart everstart Maxx 14-BS AGM
Interstate CYTX 14-BS (at local firestone) Or Harley Davison
Delco GTX 14-BS
Napa 740-1866?? Not sure if # is correct
Yacht CTX12-BS ETX-12/12BS
Sears CB12C-A
Yuasa YB12AL-A2
Possible just 14-BS will work.
Battery dimensions
WxDxH 6”x3 ¼”+ x 6”
Note + Terminal is on right side when looking at the back side of the battery.
So to answer your question YES I have heard of Braille and they make the OEM battery which is the same battery HD sells under the HD name.








