GLE43 Coupe (C292) 2016 - Present (Includes GLE450 Coupe)

DTC Error on GLE43 Coupe at High Speed

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Old Nov 10, 2025 | 10:42 AM
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EmmanuelScott's Avatar
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DTC Error on GLE43 Coupe at High Speed

The 2016 GLE43 Coupe I’m working on shows this DTC code. When you drive the car at high speed, an error message appears (see image 1). After diagnosing it, this DTC code comes up (see image 2). What could be the cause?

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Old Nov 17, 2025 | 08:38 AM
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Kein Ersatz's Avatar
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From: Fly Over Land
'17 AMG GLE 43
First step to figure out is it really high temperature or is it a bad sensor / sensor reading. If a good sensor and trusted high temperature (inferred on radiator, lines, pan, etc.), then on to transmission issues. Is the radiator blocked / plugged, is a line to from radiator pinched, is fluid level correct. are there leaks, is the fluid beyond its service life?
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