1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Dear Guest, Official Club stickers are now available, if you have not already ordered some go grab them now! To order click this Link ----> CLICK ME Go get them whilst stocks last! To dismiss this notice click the cross to the right of this message.

Battery issue

Discussion in 'Electronics' started by Bigrichw, Nov 17, 2016.

  1. Bigrichw

    Bigrichw Hardcore MB Enthusiast

    Messages:
    237
    Joined:
    May 25, 2016
    Location:
    Nottingham
    Car:
    CLS 55
    Looks like a new battery is required on the CLS55 - over the past couple of days its been throwing up a battery protection message in the mornings, didnt think anything of it - but today, she dead - no life..
    Is it the main battery in the boot that needs changing?
     
  2. DSB SL AMG

    DSB SL AMG Hardcore MB Enthusiast

    Messages:
    1,599
    Joined:
    Jan 28, 2010
    Location:
    Cheshire
    Car:
    300SL (R129 1992 pre-facelift), Volvo V70 SE D5 Auto Geartronic
    You need to firstly have the main battery tested to see if its holding a charge or defective, if your in a recovery service they will usually do this test for you....i think battery should be in the boot but i am sure others will confirm.
     
  3. OP
    OP
    Bigrichw

    Bigrichw Hardcore MB Enthusiast

    Messages:
    237
    Joined:
    May 25, 2016
    Location:
    Nottingham
    Car:
    CLS 55
    Sorted. New battery fitted. Thats a battery and a half


    Sent from my iPhone using Tapatalk
     
  4. AMGeed

    AMGeed Hardcore MB Enthusiast

    Messages:
    7,476
    Joined:
    Nov 1, 2008
    Location:
    Bournemouth/Poole Dorset
    Car:
    2004 W211 E55K ///AMG
    Check the condition of the one under the pollen filter on the passenger side bulkhead Rich. If that is going down it will draw power from the main battery.

    They are about £75 from MB or ECP do one for about £50.
     
  5. whitenemesis

    whitenemesis Hardcore MB Enthusiast

    Messages:
    12,760
    Joined:
    May 7, 2007
    Car:
    Lexus RC300h F-Sport 2016
    Not sure that's correct ^^^^

    The AUX battery is out of circuit until called on by a low system battery voltage so won't impact on general charge levels but agree it should be checked and probably replaced if original.

    A new AUX battery did nothing to improve i.e. reduce the number of battery messages I got in the CLS. Only thing that worked was to put the car on trickle charge every couple of weeks
     
  6. andy27168

    andy27168 Hardcore MB Enthusiast

    Messages:
    4,190
    Joined:
    Nov 27, 2004
    Location:
    Southampton
    Car:
    1997 C230K, 1999 C43/55 AMG
    I am sure you are correct on this Peter, as you I have similar issues.
    If the battery under the bonnet is date stamped older than four years, replace it as a matter of course.
     
  7. C240Sport97

    C240Sport97 Hardcore MB Enthusiast

    Messages:
    8,303
    Joined:
    Feb 22, 2004
    Location:
    London E1
    Car:
    SL400 and 911 GT3
    my CLS55's factory fitted main battery lasted 7.5 years. Car was on original small bonnet battery when I sold the car at 10 years old.
     
  8. whitenemesis

    whitenemesis Hardcore MB Enthusiast

    Messages:
    12,760
    Joined:
    May 7, 2007
    Car:
    Lexus RC300h F-Sport 2016
    I guess journey types and typical usage has a big effect on battery life?
     
  9. Cyclone1

    Cyclone1 Hardcore MB Enthusiast

    Messages:
    1,192
    Joined:
    Jun 6, 2009
    Location:
    Nottingham
    Car:
    W218 CLS63 AMG
    Check your new battery over the next 5 days or so, if it starts to lose voltage then it's alternator time.......ouch

    Jules
     
  10. OP
    OP
    Bigrichw

    Bigrichw Hardcore MB Enthusiast

    Messages:
    237
    Joined:
    May 25, 2016
    Location:
    Nottingham
    Car:
    CLS 55
    I managed to jump start it, and drove it around for a few miles, which charged the battery, so dont see it being an alternator issue. I will monitor the situation, but so far so good.
     
  11. AMGeed

    AMGeed Hardcore MB Enthusiast

    Messages:
    7,476
    Joined:
    Nov 1, 2008
    Location:
    Bournemouth/Poole Dorset
    Car:
    2004 W211 E55K ///AMG
    Fair enough guys. That was my understanding which appears wrong. Sorry for giving wrong info Rich.:fail
     
  12. DSB SL AMG

    DSB SL AMG Hardcore MB Enthusiast

    Messages:
    1,599
    Joined:
    Jan 28, 2010
    Location:
    Cheshire
    Car:
    300SL (R129 1992 pre-facelift), Volvo V70 SE D5 Auto Geartronic
    Did you get the old battery tested before you changed it? its a really easy check red or green result....you need to have done this to eliminate Alternator issues as highlighted by Jules above...

     
  13. OP
    OP
    Bigrichw

    Bigrichw Hardcore MB Enthusiast

    Messages:
    237
    Joined:
    May 25, 2016
    Location:
    Nottingham
    Car:
    CLS 55
    Everything working as normal now. Thanks chaps


    Sent from my iPhone using Tapatalk
     
Tags:

Share This Page