W212 AMG Discuss the W212 AMG's such as the E63

Temp Sensor Question

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Old 08-02-2024 | 07:20 PM
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GinDistiller's Avatar
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14 E63s AMG, 03 E55 AMG, 13 GL63 AMG, 95 M3
Temp Sensor Question

Do our cars have two coolant temp sensors? Mine is a 2014 S trim.

I was monitoring IATs in the heat we're getting and noticed my coolant temp via OBD readout on my scan tool was staying around 106-107 deg C, while the dash display and gauge show closer to 90 deg C. That's a 25 degree difference in fahrenheit... I doubt many of you monitor scan tools on a regular basis, but I'd be curious if anyone else has seen the same thing?

Old 08-02-2024 | 08:31 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
https://mbworld.org/forums/ml63-amg-...-location.html

https://mbworld.org/forums/w212-amg/...-liar-too.html
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Old 08-02-2024 | 08:52 PM
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14 E63s AMG, 03 E55 AMG, 13 GL63 AMG, 95 M3
Oh wow, thanks @PeterUbers , apparently my searching skills were exceptionally lacking today and typical parts sites just list 'temp sensor' as if there is only one. I'll grab a drink and read through that technical second thread you listed
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