Auxiliary Battery Replacement for Mercedes W251, R320

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  • เผยแพร่เมื่อ 23 ธ.ค. 2024

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  • @gsp911
    @gsp911 ปีที่แล้ว

    1:20 I have a R320 w251, just replaced the battery.
    I moved the seat all the way forward and removed the battery from the back.
    No need to unscrew the seat.

  • @dogshome7110
    @dogshome7110 11 หลายเดือนก่อน +1

    I can confirm you don't have to take the seat out. The side panel on my 2013 has the !£$$!!!! clip reversed though. It doesn't pull off, you have to unclip it where you can see at the door as per the video, then push it towards the bulhead. I found this after I'd half broken the clip, but its got hold of it and doesn't rattle. My battery was dated 12/11/11 and its 2023 now. So it's done good! I've had AGMs last this long or longer in bikes though.

    • @MaxReviewss
      @MaxReviewss  11 หลายเดือนก่อน

      Thanks mate.

  • @Salad_Dodger77
    @Salad_Dodger77 ปีที่แล้ว +2

    So right hand drive cars, main battery under drivers seat?
    I'm in the UK

  • @stevewilson7857
    @stevewilson7857 3 ปีที่แล้ว +4

    I just changed the big main battery in my 2006 r350. What does the small auxiliary battery actually needed for?

    • @MaxReviewss
      @MaxReviewss  3 ปีที่แล้ว +4

      The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage. Think of it this way: when you try to start your car the momentary voltage drop might cause issues to the ECU and some other components.

    • @stevewilson7857
      @stevewilson7857 3 ปีที่แล้ว +1

      @@MaxReviewss Thanks for the reply!! 👍🏼

  • @ambulancekidd
    @ambulancekidd 3 ปีที่แล้ว +5

    A good video, but painfully slow descriptions, that said, very helpful thanks.

    • @MaxReviewss
      @MaxReviewss  2 ปีที่แล้ว

      Glad it helped

    • @dogshome7110
      @dogshome7110 11 หลายเดือนก่อน

      Slow is good. it makes stepping on to see where things go very easy 🙂

  • @israelbornrich9402
    @israelbornrich9402 ปีที่แล้ว +1

    Will a bad auxiliary battery cause my radio to have no sound??????? I have a R350 2008

    • @MaxReviewss
      @MaxReviewss  ปีที่แล้ว

      I don't think so mate.

  • @chesterfraterne3364
    @chesterfraterne3364 ปีที่แล้ว +1

    Hi, i'm new to merceds benz, i recently bought 2007 R320 CDI , the previous owner told me that the battery was replaced no more than 4 months ago, now I hear the beeping sound in the dashborad, and the battery is drained to about 4.5 volts, i jumped the car and it took a while to get engine to crunk and start. Is there any thing that I am missing?

    • @MaxReviewss
      @MaxReviewss  ปีที่แล้ว +1

      Mercedes is very sensitive to battery, make sure the battery is good and the alternator works properly. Also make sure the electrical system is not draining the battery. Lastly there are 2 batteries on these car, primary and auxiliary. Don't keep jump starting any mercedes, you might fry the ECUs...

    • @benmallahsstockbroker3752
      @benmallahsstockbroker3752 ปีที่แล้ว +1

      Use a battery maintainer / trickle charger. Plug it in at home while you sleep , it will charge the 6v battery and 12v battery

  • @nicolasortiz2555
    @nicolasortiz2555 2 ปีที่แล้ว +1

    Hey this is unrelated I've been having a hard time with my r320 cdi and initially when it ran it wasn't revving over certain rpms and would have a rough idle and sound like it wasn't firing on all cylinders properly so i changed the cps to see if it would change it but it made no difference. It would crank and run for a second then die and I looked at the throttle body while it cranked at it stayed shut the whole time. Would you the fix for it?

    • @MaxReviewss
      @MaxReviewss  2 ปีที่แล้ว

      Hi Nicolas, I think your issue is more like a valve timing or diesel pressure one... I would suggest checking them one by one...

    • @nicolasortiz2555
      @nicolasortiz2555 2 ปีที่แล้ว

      @@MaxReviewss by diesel pressure you mean fuel pressure? I've ruled that out, the fuel system pressurized when I cranked it, the live data confirmed it. The odometer is at 170,000mi or 273,000km its had regular maintenance. How would the timing cause the throttle body to remain closed while firing and be wide open when key is out of the ignition?

  • @DrDioNYsos
    @DrDioNYsos 2 ปีที่แล้ว +2

    Hey Bro, is this thing just on the Diesels, or all the R-class models?

    • @MaxReviewss
      @MaxReviewss  2 ปีที่แล้ว +1

      Hi, no this is common between both petrol and diesel...

    • @kylemontgomery334
      @kylemontgomery334 2 ปีที่แล้ว +1

      It's the same for my 08 R350 as well gas powered

  • @zemoney954
    @zemoney954 2 ปีที่แล้ว +1

    Pain smfh...thanks brother

  • @Freedom-man721
    @Freedom-man721 8 หลายเดือนก่อน +1

    I get red battery signal l don’t know what l do

    • @MaxReviewss
      @MaxReviewss  8 หลายเดือนก่อน

      Multimeter is your friend, while car idling check the main battery voltage, bellow 13.5v means faulty charging system.

  • @markfitzy.86
    @markfitzy.86 2 ปีที่แล้ว +2

    what a pain in the hole. i think iv the same problem. thanks for the vid

    • @MaxReviewss
      @MaxReviewss  2 ปีที่แล้ว +1

      It doesn't really take much of a time, but still needs some moderate amount of tools and not a beginner job either...

  • @ekegbujohn6067
    @ekegbujohn6067 3 ปีที่แล้ว +1

    My Mercedes w203 always showing battery sign I changed the alternator and battery the sign still remain and still not charging

    • @MaxReviewss
      @MaxReviewss  3 ปีที่แล้ว

      Does it have an auxiliary battery?

    • @ekegbujohn6067
      @ekegbujohn6067 3 ปีที่แล้ว

      @@MaxReviewss no

  • @arturforever2060
    @arturforever2060 9 หลายเดือนก่อน +1

    My one don't show any messages is battery need to change is just ded.

    • @MaxReviewss
      @MaxReviewss  9 หลายเดือนก่อน

      No warning sign, no replacement is needed.

  • @kylemontgomery334
    @kylemontgomery334 2 ปีที่แล้ว

    Yes do not have to remove seat at all just let up and down works for me

  • @talk2stop
    @talk2stop 7 หลายเดือนก่อน +1

    You buy a Mercedes you get a Mercedes price to fix the job. Mercedes owner's dream "Hope to get a Corolla price to fix an issue on a Mercedes Benz."

    • @MaxReviewss
      @MaxReviewss  7 หลายเดือนก่อน

      DIY is the answer.

  • @valenttinkilicaslan939
    @valenttinkilicaslan939 28 วันที่ผ่านมา +1

    sehr gut ..

  • @khaledibnwaled
    @khaledibnwaled 3 ปีที่แล้ว +1

    Best