CLK55 AMG, CLK63 AMG (W208, W209) 2000 - 2010 (Two Generations)

Normal Operating Temp

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Old Jun 11, 2015 | 10:24 AM
  #1  
OnAnySunday's Avatar
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CLK55 w209
Normal Operating Temp

Hi,

Just wondering what everyone's w209 CLK55 normal operating temp is.

Mine seems high to me but its always stayed the same, after coolant flushes, thermostat changes, etc

Mine runs between 90-98 sometimes hits 100.
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Old Jun 11, 2015 | 12:26 PM
  #2  
CLK55Ian's Avatar
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From: Seattle, WA
'02 W208 CLK55 AMG, '99 Lexus LS400
Mine is the same, seems to be the norm for these cars.
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Old Jun 11, 2015 | 05:35 PM
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sick430's Avatar
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CLK Cabrio
Thats about what these cars run depending on weather. They run a little hotter as it makes them more efficient in burning fuel.
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Old Jun 12, 2015 | 01:16 AM
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OGCLK320's Avatar
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From: San Diego
2004 E55 AMG, 2008 G55 AMG
^^^ +1 I just drove from San Diego to Scottsdale, AZ and back to San Diego. Outside temp ranging from 75 in San Diego to 105-110ish pretty much the whole drive through the desert.... AC Blasting the whole way down the 10. She ran at about 90-95 and was super efficient with averaging almost 25mpg with cruise at 75-80mph the whole way. I have noticed I get better fuel mileage when my motor is running a little warmer. i.e 95 instead of 80 like it normally is with no A/C on and in San Diego temps.

Last edited by OGCLK320; Jun 12, 2015 at 01:20 AM.
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Old Jun 12, 2015 | 12:37 PM
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Clk w209 AMG
strange mine always runs at 80-90 i live in the caribbean
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Old Jun 12, 2015 | 03:02 PM
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From: San Diego
2004 E55 AMG, 2008 G55 AMG
Originally Posted by Dmtypr
strange mine always runs at 80-90 i live in the caribbean

Why is that strange? You are in the average operating temps of a CLK 55. Mine ranges from 80-90 and sometimes 95 if I'm in 100+ degree heat and doing stop and go driving.
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