[W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES

[Satish Tummala]

The 540i (E39 chassis) will fully accept a group 49 battery with no
problem.  We have  a 540i 6-speed and have installed several group 49
batteries into E39 chassis 540s  all day long.

Satish


> I had a 540 (2001) as well.
>
> Although I never pulled the batteries out of both cars to compare, they
> appeared to be the same size to me. Sounds kind of strange that the BMW
> battery would be of a unique size.
>
> Cheers,
> Axel
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of Shayegan, Richard
> Sent: Wednesday, October 19, 2005 8:55 PM
> To: Mercedes Coupes Mailing Lists
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> There is no way they are the same size. We own both, the 540's is huge.
> The length and width may be the same (but even that I don't think is),
> but I know for a fact it's taller. Maybe size 49 is the closest thing,
> but there is no battery except for the Douglas battery made for BMW that
> is the same size.
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Axel Wulff
> Sent: Wednesday, October 19, 2005 7:58 PM
> To: 'Mercedes Coupes Mailing Lists'
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> The MB batteries for the w126 model is a size 49 (same as the BMW 540)
> and I
> believe they are "rated" at 850cca.
>
> However, the ratings are for a new battery in optimal condition. How
> long
> does that last?
>
> Batteries can deteriorate very quickly if the quality is not there.
>
> Cheers,
> Axel
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of Shayegan, Richard
> Sent: Wednesday, October 19, 2005 7:51 PM
> To: Mercedes Coupes Mailing Lists
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> How many cca are the big MB batteries (there are two W126 batteries, a
> little one and a longer one)? The Optimas are 720, does that meet spec?
> The baddest batteries I've seen are in E39 BMW 540's 850cca.
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Axel Wulff
> Sent: Wednesday, October 19, 2005 7:33 PM
> To: 'Mercedes Coupes Mailing Lists'
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> To quote George Murphy, tech guru at Mercedes-Benz Club USA, "MB
> batteries
> are crap, never even think about buying one".
>
> I've made a habit of replacing the stock batteries with an Optima unit
> when
> they expire. Never had to replace an Optima.
>
> Put an Optima in a '66 Mustang a few years back. Never had any issues
> with
> crank power after that.
>
> Cheers,
> Axel
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of Shayegan, Richard
> Sent: Wednesday, October 19, 2005 6:01 PM
> To: Mercedes Coupes Mailing Lists
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> How long have your optima's been lasting? I've never gotten less than 5
> years out of an MB battery (well, except for the one that came with the
> car from the factory, that one only lasted 1 year for some reason).
> Richard
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Axel Wulff
> Sent: Wednesday, October 19, 2005 5:16 PM
> To: 'Mercedes Coupes Mailing Lists'
> Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> I'm an Optima fan. You can only get those at batteries.com.
>
> Cheers,
> Axel
>
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of bruce tranter
> Sent: Wednesday, October 19, 2005 4:29 PM
> To: mbcoupes at mbcoupes.com
> Subject: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES
>
> I am in the market for a new battery, and was wondering what the
> consensus
> was, and also who has the best price for both Optima and Mercedes?
> Thanks
> Bruce
>
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