12V socket live

Discussion in 'Electronics' started by DrunkenDuncan, Nov 12, 2012.

  1. DrunkenDuncan

    DrunkenDuncan New Member

    Messages:
    10
    Joined:
    Nov 8, 2012
    Car:
    SLK 55 AMG
    Can anyone advise if the auxiliary 12V socket in the passenger footwell of a 2008 SLK is permanently live? I would like to use this for a trickle charger instead of croc clips on the battery terminals.
     
  2. tode

    tode Active Member

    Messages:
    281
    Joined:
    Aug 13, 2011
    Location:
    NW FRANCE
    Car:
    S350 BTEC
    It shouldn't be. Too easy to run the battery flat if something left plugged in. ;)
     
  3. Gollom

    Gollom MB Enthusiast

    Messages:
    4,275
    Joined:
    May 10, 2006
    Location:
    Preston, Lancs
    Car:
    S211 E220CDi AvantGarde, NTG 2.5 with Linguatronic
    Plug a phone charger in with your phone on the end of it, put phone on dash so you can see it outside the car then take keys out and lock car. Is phone still charging?

    Or am I missing the point?
     
  4. OP
    OP
    DrunkenDuncan

    DrunkenDuncan New Member

    Messages:
    10
    Joined:
    Nov 8, 2012
    Car:
    SLK 55 AMG
    You are not missing the point.
    I was intending to physically check when I got back to the car tonight, but thought I'd ask on here before buying a plug (original is long gone) from Maplins on the way home (just in case I was wasting my time).
     
  5. GP801

    GP801 MB Enthusiast

    Messages:
    2,904
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    Jun 18, 2010
    Location:
    Sussex and Tuscany
    Car:
    2003 W209 CLK, 2005 R171 SLK in UK, 1995 S124 E280 in Italy
    On our 2005 SLK its switched with the ignition. In fact I can tthink of any MB that has a permanent live power socket. No doubt someone will know otherwise.
     
    1 person likes this.
  6. John

    John Hardcore MB Enthusiast

    Messages:
    12,179
    Joined:
    Mar 3, 2011
    Location:
    Daan Saaf
    Car:
    I wish.
    I've recently installed a subwoofer, and during that I managed to discover that both of my 12v sockets are switched off with the ignition.
     
    1 person likes this.
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