[W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES

[Shayegan, Richard]

Are you using the top brace that is supposed to hold the battery down?
The only battery I could find tall enough was the Douglas battery
labeled with a BMW sticker. In the car we have an interstate right now,
but we had to shim some wood in there for the top brace to actually do
anything for the battery.
Richard

-----Original Message-----
From: mbcoupes-bounces at mbcoupes.com
[mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Satish Tummala
Sent: Friday, October 21, 2005 6:45 AM
To: Mercedes Coupes Mailing Lists
Subject: RE: [W126 Coupe] BATTERIES: OPTIMA VS. MERCEDES

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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