Mercedes CLS error codes

Discussion in 'Electronics' started by Redhammer999, Apr 2, 2014.

  1. Redhammer999

    Redhammer999 Member

    Messages:
    53
    Joined:
    Mar 22, 2014
    Car:
    Mercedes cls320
    Hi Guys,

    I having recently bought a mercedes CLS from 2006 plugged my code reader into it. It's a fairly generic bit of code reader and doesn't do anything too fancy I don't reckon.

    I get a total of three errors when I run a DTC scan.

    Attached images.
    Can you tell me if this is a really big problem and needs fixing ASAP?
     

    Attached Files:

  2. aka$h

    aka$h Hardcore MB Enthusiast

    Messages:
    3,309
    Joined:
    Jan 30, 2004
    Location:
    London
    Car:
    Anything with a 3 Pointed Star!
    Its a lambda/O2 sensor, quite common.
     
  3. OP
    OP
    Redhammer999

    Redhammer999 Member

    Messages:
    53
    Joined:
    Mar 22, 2014
    Car:
    Mercedes cls320
    Ok. Should I avoid driving the car until get it fixed? Thanks in advance..
     
  4. OP
    OP
    Redhammer999

    Redhammer999 Member

    Messages:
    53
    Joined:
    Mar 22, 2014
    Car:
    Mercedes cls320
    So, can anyone advise if I should get this replaced or not? It's not coming up as a warning light on dash but when I use my code reader it comes up.

    I could clear the code and then see if it comes back at all? Any suggestions please
     
  5. seymansey

    seymansey Hardcore MB Enthusiast

    Messages:
    733
    Joined:
    Apr 6, 2007
    Car:
    2006 CLK 320cdi Avantgarde
    First of all, clear the code. Drive the car as normal and see if it comes back (suspect it will).

    If the code comes back, it's most likely a good idea to replace the O2/Lambda sensor in general. They can cause anything from poor running to poor MPG, in the short term at least it wont cause any major harm. Car do tend to lunch on o2 sensors.
     
  6. Auto-mobile

    Auto-mobile Hardcore MB Enthusiast

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    Location:
    Birmingham
    Car:
    2x c43 Amg clio 172 turbo 314bhp
    Pre cat lambda sensor, visible/accesable from under the bonnet.
     
  7. OP
    OP
    Redhammer999

    Redhammer999 Member

    Messages:
    53
    Joined:
    Mar 22, 2014
    Car:
    Mercedes cls320
    Thanks for the suggestion. Cleared and awaiting it coming back or not.
     
  8. johnnyb

    johnnyb Member

    Messages:
    44
    Joined:
    Dec 7, 2013
    Location:
    South Yorks/North Derbyshire
    Car:
    cls 320 cdi
    Can I ask what code reader you are using? I've got two different types of code reading software on my laptop and neither can connect to my CLS so I'm looking to go down the hand held route.
     
  9. OP
    OP
    Redhammer999

    Redhammer999 Member

    Messages:
    53
    Joined:
    Mar 22, 2014
    Car:
    Mercedes cls320

    Hi Johnny,

    Sorry for late reply..
    I bought this one off of ebay for £18.

    D900 Any car OBD2 EOBD CAN Fault Code Reader Scanner diagnostic scan tool UK

    Now, from my experience with it so far it is 50/50. My reasoning. Yes it picked up my lambda o2 sensor problem, however it doesnt pickup my TPMS error (which is displaying on the dashboard). I'll let you judge it, I mean for me I think it works for engine stuff only really? Could be wrong though.
     
  10. W210Virgin

    W210Virgin Hardcore MB Enthusiast

    Messages:
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    Joined:
    Feb 25, 2014
    Location:
    Norn Iron
    Car:
    2002 S210 Avantgarde 320CDi in silver. Black leather interior
    Ok. Should I avoid driving the car until get it fixed? Thanks in advance..

    Most of these sensors have a heater as well as the O2 sensing gubbins (4 cores of wiring to each sensor). My wife's RAV had this fail a few times but if it is only the heater part, which operates during engine warm up (emissions etc I expect) don't worry about it. If the O2 sensor bit has failed also it may affect fuel consumption a bit because the car will default to some 'failsafe' value but it should not affect day to day running other than this. Easy to fix but you'll need a slotted socket to allow the cable of the sensor thro'.
     
  11. johnnyb

    johnnyb Member

    Messages:
    44
    Joined:
    Dec 7, 2013
    Location:
    South Yorks/North Derbyshire
    Car:
    cls 320 cdi
    Thanks for the info :thumb:
     

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