C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Battery/Alternator problem

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Old Jun 8, 2009 | 07:10 PM
  #26  
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I don't think the W203 will turn off its lights in the ON position. Not willing to try it myself though. You let me know how it turns out.

The number is 1-800-FOR-MERC

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Old Jun 8, 2009 | 07:14 PM
  #27  
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Check my edit, and if I ever forget to turn off my lights, I'll let you know what happens. I keep jumper cables in my car all the time anyway, so I shouldn't have to call the 800 number.
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Old Jun 8, 2009 | 07:34 PM
  #28  
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IIRC, my owner's manual says not to jump or be jumped in the C230.
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Old Jun 8, 2009 | 07:37 PM
  #29  
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That's weird, I've never heard that. So how do the 800 number people do it?
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Old Jun 8, 2009 | 07:45 PM
  #30  
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Fairy dust, I guess. I've never had to use it. I assumed they would replace the battery but at least if they jump start it they would be responsible.
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Old Jun 8, 2009 | 08:34 PM
  #31  
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I just hope it's the battery and not the Alternator. And if its the Alternator than it's the Voltage Regulator.

Voltage Regulator - 60.00 US Dollars
Whole Alternator - 870.00 US Dollars

---------------------------------------------------
See attached pic.

1= Alternator
2= Voltage Regulator
3= Bearings

Last edited by W203E35; Apr 30, 2010 at 06:06 PM.
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Old Jun 8, 2009 | 08:59 PM
  #32  
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That's more than they are on most websites.. are you looking at a C230? Getmercedesparts will sell you one for $640. That said, I've found them for as low as $300.. if I could only remember where. Rebuilt of course.
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Old Jun 8, 2009 | 09:35 PM
  #33  
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03 g35 coupe...........02 c32 Sold
you can buy the alternators new the valeo one for $300. just do a search on the c32 thread, there's a link to a website that sells it for $300.
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Old Jun 8, 2009 | 09:56 PM
  #34  
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Originally Posted by TemjinX2
you can buy the alternators new the valeo one for $300. just do a search on the c32 thread, there's a link to a website that sells it for $300.
Originally Posted by LILBENZ230
That's more than they are on most websites.. are you looking at a C230? Getmercedesparts will sell you one for $640. That said, I've found them for as low as $300.. if I could only remember where. Rebuilt of course.
There is a big price difference for 05 and 06 - 07.

Anyone know why? Does this mean the 300 dollars one for the C32 wont work on the 06 and 07?

Last edited by W203E35; Apr 30, 2010 at 06:06 PM.
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Old Jun 8, 2009 | 09:57 PM
  #35  
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Man who is crazy enough to pay MSRP over 1,000 for an alternator?
That's insane
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Old Jun 8, 2009 | 10:29 PM
  #36  
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03 g35 coupe...........02 c32 Sold
Originally Posted by jk062602kj
There is a big price difference for 05 and 06 - 07.

Anyone know why? Does this mean the 300 dollars one for the C32 wont work on the 06 and 07?
your right, the 06 one is more expensive.

looks like its $423 with the $45 core charge.

http://www.bimmerspecialist.com/usa/...s/272154000288

i know on the newer models the voltage regulator is replaceable. on the c32 it wasn't, so i would try that first. Usually alternators last a long time. The alternator on my integra lasted 160k.

Last edited by TemjinX2; Jun 8, 2009 at 10:31 PM.
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Old Jun 8, 2009 | 10:40 PM
  #37  
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Originally Posted by TemjinX2
your right, the 06 one is more expensive.

looks like its $423 with the $45 core charge.

www.bimmerspecialist.com/usa/parts/product_details/272154000288

i know on the newer models the voltage regulator is replaceable. on the c32 it wasn't, so i would try that first. Usually alternators last a long time. The alternator on my integra lasted 160k.
Thanks for the info

Still a lot cheaper than most places from the site you provided you save almost 400 bucks
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Old Jun 9, 2009 | 02:08 AM
  #38  
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The only reason I can see for it being more expensive is that it is a completely different engine.
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Old Jun 9, 2009 | 03:26 AM
  #39  
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Ok guys, I tried it today morning and it seems the problem has gone. But I can't be 100% sure untill I try it for a couple more days, will keep you posted.
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Old Jun 9, 2009 | 03:58 AM
  #40  
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Remove alternator.
Take to electric shop.
Get it rebuilt.
Cost = or less than $200.
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Old Jun 9, 2009 | 06:07 AM
  #41  
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Now that sounds sensible!
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Old Jun 9, 2009 | 06:09 AM
  #42  
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Originally Posted by wessamzeidan
Ok guys, I tried it today morning and it seems the problem has gone. But I can't be 100% sure untill I try it for a couple more days, will keep you posted.
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Old Jun 9, 2009 | 06:12 AM
  #43  
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Originally Posted by bdgdl08
That's weird, I've never heard that. So how do the 800 number people do it?
By being really careful & praying. If they blow a SAM they pay for a SAM
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Old Jun 9, 2009 | 11:01 AM
  #44  
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Originally Posted by Glyn M Ruck
If they blow a SAM they pay for a SAM
Ha! Not if they come out from my dealership! They'll blame it on me.
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Old Jun 11, 2009 | 05:16 AM
  #45  
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This is the third day after the regulator got changed, no problems till now. Apparently the regulator was causing the problem.
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Old Jun 11, 2009 | 07:36 AM
  #46  
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good news!
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Old Sep 21, 2009 | 07:20 PM
  #47  
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My 2003 C230K is still on the original battery.

6 years old, change it or ?

I can start the car fine so the only reason to change is because of the age.
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Old Sep 21, 2009 | 07:35 PM
  #48  
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I see no reason you can't wait till the battery gives out. These batteries are really robust and last a long time. Some have gone 7 years.
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Old Sep 21, 2009 | 11:31 PM
  #49  
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Re:Stealership

Had my original battery changed earlier this year when I got the same msg. Battery was done along with my alternator when it failed the load test after the drop a new battery in the car. OEM lasted 6 years.. Better than some of the other stuff sold out there.. Oh yeah, it ran me $1300.00 to fix it..

NYC
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Old Sep 22, 2009 | 04:32 AM
  #50  
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Battery cost me 100 Alternator complete rebuild, 150.
Took about 2 hours or so.
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