Hi,
If battery is dead, can it be recharged under some conditions, eg. say the cause of death was that I left the headlights on?
Car is 1995 E320 and battery is MB brand.
Thanks
farrukh

Funny you should ask that. My car just stranded me Friday night -culprit was a dead/bad battery (> 4years old). I think you can recharge by jumping the car and then let the altenator do the rest. Read the owners manual for the correct conection sequnce for the cables first.

To answer your question - there should not be any problem if you hook a charger up to it, set it on the lower setting and let it charge overnight.

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Jim

ans. most probably depends on a number of factors

>if there is a dead cell- it won't hold sufficient capacity
>if fluids are sufficient % (use hydrometer test)

doesn't hurt to try

hope this helps
-fad

>

Does "de-sulfation" actually work? Anybody have any experience with the little trickle chargers that are touted to revive dead batteries.

"A battery conditioner uses a sweep pulse technology that dissolves sulfation in lead-acid batteries to extend battery life and increase battery performance," is the claim.

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1992 Black 500e
1991 Black 300te 4m
1992 Black Renntech 620sl
1979 Porsche 911sc targa

You can trickle charge the battery and get a bit more service.

Being a four year old battery though, I would consider eventual replacement. If there is any problem with the battery (dead cell, etc.), your alternator will have to work harder...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car

thanks all.
turns out that the battery is dead as a doornail... :-)