E Class fails in hot weather
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Newbie
Joined: Jul 2023
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E class coupe
E Class fails in hot weather
I have a 2015 E Class coupe in the UK, Recently, in hot weather I started the car and a distance recognition failure message, check handbook, appeared. The actual warning message is irrelevant here, because I could not clear the message as all steering wheel function was not working. Worse still, the electronic gear selection was not working either. I had to use another car!. Returning to the car later when the temperature cooled, the car ran as normal, all functions working. This reoccurred the following day with the same outcome. Now the car is back to normal (there were endless malfunction messages which we cleared down). Has anyone else experience this and what is the solution? Thanks.
Super Member
Joined: Sep 2017
Posts: 738
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From: Orlando, FL
2016 E400 Coupe (C207)
It's hard to imagine such a problem being temperature-dependent, because I live in Florida, US, and I know there's nowhere in the UK that's hotter than it consistently is here!
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Joined: Feb 2020
Posts: 19
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(2008 Audi a4 Quatto 2.0t S-line)(2016 E400 Coupe)
I have a 2015 E Class coupe in the UK, Recently, in hot weather I started the car and a distance recognition failure message, check handbook, appeared. The actual warning message is irrelevant here, because I could not clear the message as all steering wheel function was not working. Worse still, the electronic gear selection was not working either. I had to use another car!. Returning to the car later when the temperature cooled, the car ran as normal, all functions working. This reoccurred the following day with the same outcome. Now the car is back to normal (there were endless malfunction messages which we cleared down). Has anyone else experience this and what is the solution? Thanks.
my coupes from LA and then texas it’s other half of its life. So its from very hot places.
Edit: the parking brakes are the unreliable part of these cars generally. That being broken is an easy fix i fixed mine in one minute with bare hands once it wouldnt engage. And the release handle was stuck out.
Also the early versions of this 7 spd did have trouble reaching reverse at points. But it was a TCU issue. Your TCU may somehow be acting up big time. Lemon TCU possibly :/
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