C-Class (W202) 1995-2000: C 200 CDI, C 220 CDI, C 270 CDI, C 180, C 200 K,C 230 K, C 220, C230, C 280

C280 is this normal range for water temp

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Old Dec 11, 2015 | 06:23 PM
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my E430 rocket's Avatar
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C280 is this normal range for water temp

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Old Dec 12, 2015 | 08:09 PM
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ptcruiser's Avatar
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C230
A little high, but not dangerous. Does it get lower cruising down hill?
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Old Dec 12, 2015 | 08:11 PM
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C230
Just saw your in Florida, so the hill question isn't valid. your in flat as a pancake country
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Old Dec 13, 2015 | 05:42 PM
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If it goes over 100 then get it checked out. I'm in Florida and my 210 and 202 are always at like 90ish its hot down here man. At night though driving mine is at 80
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Old Dec 17, 2015 | 09:48 PM
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From: Mamaroneck, NY
1996 C280, 2010 E350 Previous: '52 300 Adenaeur, '59 220 S, '94 C180, '03 C320 4-Matic Sport
mine is always about 85 and I have never had any problems. These engines run hot (nice on very cold days as the heat comes up very quickly !)

Yours looks a tad high

Maybe try a flush, and add Water Wetter (supposed to help ?)

Last edited by walterk55; Dec 17, 2015 at 09:53 PM. Reason: mistake
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Old Dec 18, 2015 | 08:43 AM
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From: Treasure coast Florida
96 Imperial Red r129 SL320 and 17 MK7 GTI
A flush will always help. But I doubt it will bring the gauge down. Like I said I'm in Florida and the already hot Mercedes engines get hotter here. When I lived in Connecticut and Tennessee in the winter they would stay right in the middle. It's been in the 80s here so mine is right where his is.
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Old Dec 18, 2015 | 08:44 AM
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From: Treasure coast Florida
96 Imperial Red r129 SL320 and 17 MK7 GTI
If anything fan might not be kicking on. Listen to see if you hear it
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Old Dec 21, 2015 | 08:35 AM
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Mine runs there when idling or stopped. It runs lower, more in the middle, while at highway speeds.
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Old Dec 23, 2015 | 09:59 PM
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ptcruiser's Avatar
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C230
You can always change the thermostat to a lower temp. The truth is that the hotter an engine runs, the more efficient the engine is, as long as it's within reason of course.
And that's a fact :-)
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