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  #1  
Old 07-03-2021, 10:37 PM
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Largest battery for 05 E320 CDI?

Hey all

I know the group 49 or H8 is listed as the replacement battery for the E320 cars, but as we know, sometimes a larger battery will also fit.

The 49 is already a large battery, but I'm wondering if a 95R will fit in the space...probably not but it's worth asking about.

I also have a new AGM 94R that I know will fit (slightly shorter than 49)/

Thanks

Steve
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92 W140 OM603
97 VW Jetta TDI
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94 Chevy K1500 6.5TD
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  #2  
Old 07-03-2021, 11:02 PM
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Anybody tried a group 31P battery in place of our group 49?
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  #3  
Old 07-04-2021, 12:05 AM
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Thank you for that link.

Do you think this applies for the AGM batteries as well? The weight issue I mean? I would think you can't compare weight of the AGM vs lead acid battery.

Steve
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92 W140 OM603
97 VW Jetta TDI
90 Passat variant TDI 6 speed MT
94 Chevy K1500 6.5TD
05 E320 CDI
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  #4  
Old 07-04-2021, 01:06 AM
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Quote:
Originally Posted by glenlloyd View Post
Thank you for that link.

Do you think this applies for the AGM batteries as well? The weight issue I mean? I would think you can't compare weight of the AGM vs lead acid battery.

Steve
No idea about the weight but the form factor should be about the same. Do they even make a group 31 AGM? Those are generally truck and deep cycle batteries. On the 211 wagon at least I think there's enough vertical clearance above the battery for the group 31. I assume the sedan is the same.
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Old 07-04-2021, 12:41 PM
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Quote:
Originally Posted by tjts1 View Post
No idea about the weight but the form factor should be about the same. Do they even make a group 31 AGM? Those are generally truck and deep cycle batteries. On the 211 wagon at least I think there's enough vertical clearance above the battery for the group 31. I assume the sedan is the same.
Yeah, I wasn't referencing the group 31 battery with the question, just about AGM vs their lead acid counterparts in general.

If weight is an issue how is that dealt with on AGM vs lead acid in the same size?

I'll just have to measure the cavity and see if the 95R-950 will fit or whether I use the AGM94 I have will be it.

Thanks

Steve
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92 W140 OM603
97 VW Jetta TDI
90 Passat variant TDI 6 speed MT
94 Chevy K1500 6.5TD
05 E320 CDI
+ others
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  #6  
Old 07-07-2021, 10:23 PM
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I wouldn't use a W211 gasser station wagon application battery. Use the '05 & '06 CDI application....
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  #7  
Old 07-07-2021, 10:18 PM
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I installed the Sears Diehard AGM in my '06 CDI Winter 2014. Still excellent. Buy Sears Diehards @ Advanced Auto Parts. 850 CCA.
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