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Aux battery and stop start

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Old Sep 18, 2017 | 02:30 PM
  #1  
Tlogic17's Avatar
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W205 C220d AMG LINE 2019
Aux battery and stop start

Hi,

I took my car in to the dealers after receiving the aux battery malfunction error. My car was just out of warranty by about 3 months so ended up paying £260 to have it fixed. When i went to collect the car today and to hand over my hard earned money, i was told by the after sales guy that a new aux battery was installed. The sales invoice shows that a voltage convertor was fitted part no ma2059053414 and a capacitator for the park pawl was replaced no mention of a aux battery. Having driven the car home the eco stop start is not working as it stopped working when the error message popped up. I would of thought the replacement parts would of sorted out this issue. Any ideas?

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Old Sep 18, 2017 | 03:49 PM
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dieseldoc's Avatar
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2022 E350 Diamond White Metallic, 2016 GLC300 Dakota Brown Metallic
They should have also checked your main battery. I had this same problem on my GLC. Main Battery also needed replacing.
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Old Sep 18, 2017 | 08:53 PM
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C300 S205 AMG, GLA 45 AMG
Respectfully suggest you grab a battery charger, and charge it at least each month.
For 1/5th of the bill you just received, most of this may have been avoidable.


Especially if you use the vehicle In cold climate, have accessories (eg dash cams on smart power management) and for mostly short journeys.


Hope the dealer sorts it out for you.
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Old Sep 19, 2017 | 05:26 PM
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Tlogic17's Avatar
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W205 C220d AMG LINE 2019
Originally Posted by Shadwell
Respectfully suggest you grab a battery charger, and charge it at least each month.
For 1/5th of the bill you just received, most of this may have been avoidable.


Especially if you use the vehicle In cold climate, have accessories (eg dash cams on smart power management) and for mostly short journeys.

Hope the dealer sorts it out for you.
Thanks for the reply. Sorry to sound a bit dumb, but do you mean charging the main battery every month as I do have a dash cam, and an amp, which is connected to the battery, aswell as a usb stick with music on. I would say I do an hour driving each day in the car.

@disealdoc , thank for the tip I will get the main battery tested also . Car just over 3 year.
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