C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Any Battery Experts ?

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Old Oct 4, 2016 | 08:41 PM
  #26  
reyn3545's Avatar
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Joined: Sep 2010
Posts: 16
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From: Atlanta, GA
GL450 E350 C350 S550
PROBLEM SOLVED!!

After replacing the front SAM, rear SAM, headlight switch, ignition switch, A/C buttons, and God knows what else, they finally found a faulty wiring harness that connected to the rear SAM. Once they replaced that harness and another rear SAM, all was good. The dealership logged about 45 hours on this car, and I was expecting to have a shop bill that was more than I paid for the car... but the dealership was more than reasonable with the charges for their time and attention.

Back on the road, my son is happy to get his wheels back!
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Old Oct 6, 2016 | 02:07 AM
  #27  
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From: 1 hours drive north of Sydney Australia
2007 W204 220CDI Classic Sedan
Thanks for the follow up.
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Old Oct 6, 2016 | 12:48 PM
  #28  
MercedesJr's Avatar
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From: Minnesota
2008 C300 6-Speed - Retired Land Rover Disco II
Originally Posted by Carsy
Can I state the obvious, the modern cars electrics are a PITA to fault find.

Persistence pays off, usually !!
Electrical problems.. the hardest to find, and typically the easiest to fix!!

SIDE NOTE: I'm not a battery expert but I learned from a lifetime mechanic that keeping batteries CLEAN is one of the most important things to maintain your battery! You want to keep them as clean as possible, because with dirt and grime along their surface, over time they short themselves out! VOLTS an travel across grime on your battery.

Last edited by MercedesJr; Oct 6, 2016 at 12:51 PM. Reason: Side note
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