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No warning message when hood open

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Old Apr 6, 2020 | 08:49 PM
  #1  
SunnyC257's Avatar
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From: West Midlands, U.K.
2021 CLS 400d
No warning message when hood open

Hi,

when my hood is open, no warning message appears on the instrument cluster. Is this normal, or is this a malfunction?




If it’s a malfunction, is it an easy fix?

Thanks
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Old Apr 6, 2020 | 11:57 PM
  #2  
madtrader's Avatar
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From: MO, USA
2019 E450 Wagon
I know I’ve gotten the hood message before (first drive). I had to be moving above something like 25mph to get the message. In my case the hood was closed, but not completely. One of the, I don’t know what they’re called, was misaligned. But no message when starting the car, or just putting it into drive.
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Old Apr 7, 2020 | 03:26 AM
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yah you have to be moving for it to give you a warning. It won't show on that graphic either
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Old Apr 7, 2020 | 03:49 PM
  #4  
SunnyC257's Avatar
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From: West Midlands, U.K.
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OK I've released the hood latch and driven the car down the road, and the error message does come up- so it is all working!

Thanks guys
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Old Apr 7, 2020 | 09:00 PM
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So I guess the E450's must have this message too?
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Old Apr 8, 2020 | 12:40 AM
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Originally Posted by 2012 merc amg
So I guess the E450's must have this message too?
Yes, mine is a E450.
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Old Apr 8, 2020 | 07:50 AM
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Originally Posted by SunnyCL500
OK I've released the hood latch and driven the car down the road, and the error message does come up- so it is all working!

Thanks guys
Last time my hood was ajar, I drove it a good 1/2 mile before the error message displayed.
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Old Apr 8, 2020 | 01:06 PM
  #8  
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Originally Posted by DFWdude
Last time my hood was ajar, I drove it a good 1/2 mile before the error message displayed.
So it depends on how open the hood is. For example, if you just pull the latch so the entire hood is unhooked, it will show the message pretty quickly. There have been instances where I closed the hood, and I usually just press down really hard on the center, where the entire hood looks closed. I didn't get the error messages for more than a few miles, possibly when I hit a bump in the road where the hood popped open a bit more. I learned that I shouldn't press to close the hood, but instead, drop close it so that it closes with a loud bang.
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Old Apr 8, 2020 | 02:47 PM
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Originally Posted by joshg1001
I learned that I shouldn't press to close the hood, but instead, drop close it so that it closes with a loud bang.
Yup, sounds horrible to let the hood fall, but that's how it works. My 19 year-old C-Class works the same way.
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Old Apr 9, 2020 | 11:48 PM
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Originally Posted by DFWdude
Yup, sounds horrible to let the hood fall, but that's how it works. My 19 year-old C-Class works the same way.
Most/all cars work that way. A drop from a given distance is consistent. Pushing will vary with the person's strength, and with aluminum panels, BAD© things can happen.
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Old Apr 10, 2020 | 07:57 PM
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E450 Wagon, GLC300, E550
Headlights change when opening hood

I pulled into my garage the other day and decided to add washer fluid. The headlight pattern changed as soon as I pulled the latch under the dash. I turned the car off, but I assume it puts more light on the ground.

My last several cars all closed the hood by the drop method.
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