can somebody give a help?

Dec 7, 2004 | 12:44 AM

jemmy

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99' E320

can somebody give a help?

can somebody give me tip for new battery installation?and uh, i am not really sure which color has to go to which terminal on the battery? (i think i'm going crazy that i forgot when i unplugged them off)
thanks guys

Dec 7, 2004 | 01:04 AM

raymond g-

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From: Seattle WA

99 E320

In most cars

red cable = POSITIVE battery terminal
black cable = NEGATIVE battery terminal

but if your vehicle is like my 99, both cables are black...but (!) the positive
cable has additional bundle of RED/ORANGE wires which also share the same
battery connector.

So, the single black cable is to be attached to NEGATIVE terminal.
The multiple (which includes REDs) cable is to be connected to POSITIVE.

Last edited by raymond g-; Dec 7, 2004 at 01:12 AM.

Dec 7, 2004 | 01:46 AM

Green E-300 DT

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Posts: 783

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From: Murrieta, Southern California

Late Built 2005 W-211 E-320 CDI

Careful Now!

You DO NOT want to get those cables reversed! Bad things can and will result. :v

You do know that ( - ) or negative means ground? Look for that cable to go to the frame or some direct metal connection. You see, the body is grounded.

The other connection is ( + ) for posiitive, and generally is red and slightly larger in diameter than the other smaller usually black cable.

If you have any doubts, do not proceed without seeing another car similar to yours, and copy it.
Is your battery under the rear seat?

HTHs.

Dec 7, 2004 | 02:36 AM

jemmy

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99' E320

thanks

raymond&green> yes mine is 99'e320 and the batt is located under the rear seat along with that fuse box.

well, i think i get 'em clear enough and i will start to proceed now
thanks a lot guys

Dec 7, 2004 | 02:43 AM

Whitey

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From: HK (but constantly travelling)

98 W210 Advantgarde

Unfortunately if you've had the original battery unplugged for so long, your computer would have been reset......you will experience some weird things with your electricals and you're computer may need to be reprogrammed by someone who has a MB computer diagnostic program.......that's why you should not fully unplug your battery when you change it..but I guess its too late now.

Dec 7, 2004 | 04:49 AM

jemmy

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99' E320

sadly the car had to sit in the garage for 10 months without my attention, so the battery died and i unplugged it, i think the computer has to be reset anyway...
only i don't know what kind of wierd computer things would happen after i have replaced the battery...
and i am not really sure about the oil that hasn't been used inside the engine and transmision for that length of time...
i hope the tires doesn't expire yet....
wow i gotta a lot things to do for the baby..... please give me some tips since this is my first time leaving her for that long

i really can't stand any longer

Dec 7, 2004 | 05:19 AM

Whitey

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From: HK (but constantly travelling)

98 W210 Advantgarde

Last time my battery was unplugged, the windows wouldn't open but I'm sure other things such as seat and mirror operations and maybe something to do with the gear shifts may have been deleted. Fortunately for me, I was leaving my mechanic's place when I discovered it, so all I had to do was turn back

Depending on where you are, the guys in the US should be able to point you in the right direction as to where to get the computer reprogrammed.....hope your car starts and run properly at least....good luck

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Dec 7, 2004 | 09:02 AM

jemmy

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99' E320

Ah my engine runs completely normal and the transmision is as good as new too

the down side after giving the car new battery is everything reset, oh ya and the onboard computer is informing that it got failure on BAS and ABS system, i hope that's only required some reprogramming
maybe tomorrow i will turn it into my dealer and get everything fixed

Dec 7, 2004 | 09:36 AM

#10

Whitey

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From: HK (but constantly travelling)

98 W210 Advantgarde

Quote:

Originally Posted by stemags

Whats that about not fully disconnecting Dave?You mean like leaving the pos on the old one while you change the ground on the new,then do the pos last?That ,,,you say eliminates loss of function???

No, I mean when you change your battery you should keep a battery connected, e.g. with a jump lead to another external one, so that you car is powered at all times. When mine was changed, they had a spare to which they connected to the car with the jumper leads (i.e. in addition to the original battery) before they disconnected the original battery. Hooked up the new one, before disconnecting the spare one etc. The reason for the windows not working that one time was because they'd disconnected the battery when installing the new steering wheel and had forgotten to format my computer afterwards.

Yes, BAS/ABS warning is one thing that lights up and on the (external) computer diagnosis, it will show up as an error but it's not necessarily a real failure (which many here have experienced). Best to get them to reset everything, including the error readings then run the car for a while - if there's no further warning lights, then its OK, if the lights come on again, have your car thoroughly checked...but of course, I'm sure you won't forget to check the regular things such as coolant, oil, transmission and brake fluids etc.

Last edited by Whitey; Dec 7, 2004 at 09:42 AM.

Dec 25, 2004 | 01:42 PM

#11

jemmy

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99' E320

[QUOTE=Whitey]No, I mean when you change your battery you should keep a battery connected, e.g. with a jump lead to another external one, so that you car is powered at all times. When mine was changed, they had a spare to which they connected to the car with the jumper leads (i.e. in addition to the original battery) before they disconnected the original battery. Hooked up the new one, before disconnecting the spare one etc. The reason for the windows not working that one time was because they'd disconnected the battery when installing the new steering wheel and had forgotten to format my computer afterwards.
QUOTE]

yes i totally agree with that safe battery changing procedure to prevent the need of reseting.
well i did the "non-safe" procedure and i had gotten everything reset
cool man.