R170 Error Lights

Discussion in 'Electronics' started by el.gizmo, Mar 28, 2014.

  1. el.gizmo

    el.gizmo New Member

    Messages:
    14
    Joined:
    Dec 20, 2013
    Location:
    Spain
    Car:
    1993 A124 300CE 24v, 1998 R170 SLK 230
    I have an intermittent ABS and BAS/ASR error light fault. When these show up with the engine running my vario roof also wont operate, the switch lamp just flashes.
    The error lights sometimes go out whist driving.
    Any clues please.
     
  2. Ted

    Ted Hardcore MB Enthusiast

    Messages:
    4,973
    Joined:
    Feb 26, 2004
    Location:
    Bourton on Dunsmore
    Car:
    A209 CLK AMG Sport Convertible, Yamaha XVS 1100, Jeep Renegade
    I would check the battery and charging circuit.
    I can't see any relationship between the two other than a low battery voltage
     
  3. OP
    OP
    el.gizmo

    el.gizmo New Member

    Messages:
    14
    Joined:
    Dec 20, 2013
    Location:
    Spain
    Car:
    1993 A124 300CE 24v, 1998 R170 SLK 230
    Hi, Thanks for your reply.
    Battery voltage is reading 12.8, charging 13.6 so these seem ok.
    Just started the engine and ABS, BAS/ASR still on but this time the roof works properly up and down. I too can not see a connection, maybe 2 faults, need the warning lights solved soon as she is due ITV (MOT) in May.
     
  4. racall

    racall Hardcore MB Enthusiast

    Messages:
    720
    Joined:
    Dec 13, 2003
    Location:
    london
    Car:
    Silver C270 oil burner Silver R171 SLK
    Brake light switch can cause these problems but in my case it was the lateral position sensor under the centre consul.Star should find the fault.
     

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