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Auto dimming mirror

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by VicInCornwall, Jan 4, 2013.

  1. VicInCornwall

    VicInCornwall Active Member

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    Your Mercedes:
    2015 E400 Sport Coupe // 2005 Suzuki Jimny // Wife = SLK 230
    Hello
    Does anyone know if the auto dimming mirror is adjustable (via STAR) - to say darken more than it does already?
    At night, it works ok, but during early morning half light it does not seem to darken appreciably, especially when someone comes up behind me with Xenons.
    My car is a 2008 C Class 180 sport
    Thanks
    Vic
     
    Last edited: Jan 4, 2013
  2. whitenemesis

    whitenemesis Senior Member

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    Pretty certain there is nothing that can be adjusted. It's a simple differential between front and rear facing light sensors on the mirror. You can test it quite easily by placing a fingertip over the forward facing sensor in the mirror housing (IGN on), the mirror will dim to its max.
     
  3. OP
    VicInCornwall

    VicInCornwall Active Member

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    2015 E400 Sport Coupe // 2005 Suzuki Jimny // Wife = SLK 230
    Ok thanks for the prompt reply
    Cheers
    Vic
     
  4. television

    television Always remembered RIP

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    No adjustment possible, you could fit a resistor in series with the dimming part, that would stop it from going so dark
     
  5. EmilysDad

    EmilysDad Senior Member

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    Stick some tape over the forward facing sensor so it's always dark ....... never been particularly keen on auto dim mirrors. I've always left old style mirrors in the anti-dazzle position both day & night.
     
  6. OP
    VicInCornwall

    VicInCornwall Active Member

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    Your Mercedes:
    2015 E400 Sport Coupe // 2005 Suzuki Jimny // Wife = SLK 230
    Thanks, I will give the tape trick a go.
     

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