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raising temperature!! please help!

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Old May 15, 2013 | 05:24 PM
  #1  
Liam soms's Avatar
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2005 clk320
raising temperature!! please help!

Long story short! I've notice my water temp is getting hotter than usual. Its hitting 100°c and I haven't had any malfunction notice. Any help would be greatly appreciated!
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Old May 15, 2013 | 08:07 PM
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Glyn M Ruck's Avatar
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
MB thermostats usually fail open so unlikely the problem. Is your radiator clear of bugs & debris? Is this with A/C on or off? Is the electric fan operating?
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Old May 15, 2013 | 09:02 PM
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fivepointnine's Avatar
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From: Olympia, Wa
2004 CLK500
mine goes up to that in traffic, but never ever goes above the 100 deg line.
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Old May 16, 2013 | 12:44 AM
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M Ashmore's Avatar
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2004 MB CLK 500
Mine cycles between 85 and 100 degrees c with the AC on and 95 degrees f outside.
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Old May 16, 2013 | 09:22 PM
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2004 CLK320
How do you clear the bugs and debris on the radiator? Spray with water from the outside, through the front grille?
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Old May 17, 2013 | 11:26 AM
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Glyn M Ruck's Avatar
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Yes or take the top shroud off & use a soft brush plus water.
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