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Discussion Starter #1
I bought a replacement 12v battery at my local MB dealer last winter to have on standby for my 2014 ED. Today I decided to make the swap and after pulling out the old battery, I noticed that the new one is noticeably larger. Did they sell me the wrong battery?

65978
 

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Appears so, dunno that the longer battery would fit in the well?

I’d call them immediately but also put ED back on the old 12V so as to not have HV battery meltdown!
 

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Looks like two different part numbers.

Len
 

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Discussion Starter #4
Yes, I put the old, original battery back in right away. I called the dealer and the parts guy confirmed the part number on the new battery as being the correct battery for my VIN. He said the part number has changed, but it’s the correct part for my car. I told him that it was noticeably larger and questioned whether it would fit. He said he’s never had anyone complain that it didn’t fit. Even if I can somehow shoehorn it into the recess, I don’t think the hold-down strap will fit. I’m not sure what to do at this point.
 

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Print your picture and take it with you to the M-B parts guy. He must have made a mistake. If you google the two part numbers you can find that both fit some model of smart, my guess is your new battery is for the newer smarts. Maybe have him look up the 2013 part.


 

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He said the part number has changed, but it’s the correct part for my car. I told him that it was noticeably larger and questioned whether it would fit. He said he’s never had anyone complain that it didn’t fit. Even if I can somehow shoehorn it into the recess, I don’t think the hold-down strap will fit.
Sadly, I don’t think that M-B employees can hear Customer complaints???

I too would be concerned about the hold down clamp fit, may require bending?
 

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Or just tell him you want the 451 part number on your old battery. I got one about a year ago with no issues - perfect fit.

Len
 

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Discussion Starter #8 (Edited)
I just found my receipt. I bought it back on July 6, so I’m SOL on returning it. This is the second time they‘ve sold me the wrong part. I’m done doing business with them.

Now my bigger issue is finding a dealer who has the the correct battery and will ship it.
 

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Discussion Starter #9
Just found this thread about modifying the clamp. I guess I’ll give it a try.

 

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Discussion Starter #10
Well I never would have believed it, but the dealer was right and I was wrong. All I had to do was flatten the tab on the hold-down bracket. Other than that, it fits snug as bug.

65979
 
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