GLE Class (W166) Produced 2015-2019

Temperature gauge - normal?

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Old Jan 24, 2025 | 12:42 PM
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Lexi's Avatar
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2017 GLE350
Temperature gauge - normal?

I've never had any issues but the last time I went and got my oil changed (3rd party oil only shop) the guy insisted my temperature gauge was showing the car is running HOT! He claimed the needle should be pointing to the 9 o'clock position.

News to me. I've never noticed it/any change. I think he is full of it - but just for comparisons sake - is this within range of normal?


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Old Jan 24, 2025 | 07:56 PM
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2013 ML350 Bluetec
That position is about where my bluetec stays once things have warmed up.
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Old Jan 25, 2025 | 09:16 AM
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I asked about this when I first got my 43. It seems to be the normal v temp
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Old Jan 25, 2025 | 09:44 AM
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Did the oil change guy put a thermocouple in your radiator and provide you a temperature reading in degrees so you can compare it to specifications, or does he just want to sell you a coolant flush for $250?
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Old Jan 27, 2025 | 11:51 AM
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Originally Posted by streborx
Did the oil change guy put a thermocouple in your radiator and provide you a temperature reading in degrees so you can compare it to specifications, or does he just want to sell you a coolant flush for $250?
No upselling - I think he was trying to be helpful is all. I don't think they even do that kind of work as it just an oil place.
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Old Jan 28, 2025 | 05:57 AM
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16 GLE400 4matic
Normal reading on the gauge.
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Old Jan 28, 2025 | 07:06 AM
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Originally Posted by Lexi
No upselling - I think he was trying to be helpful is all. I don't think they even do that kind of work as it just an oil place.

We had our car aligned. The mechanics suggested that we change our clearly old serpentine belt.....it was days old (OEM)
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Old Jan 30, 2025 | 01:43 PM
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2018 GLE 43 AMG, 2024 C43 AMG
Originally Posted by Lexi
I've never had any issues but the last time I went and got my oil changed (3rd party oil only shop) the guy insisted my temperature gauge was showing the car is running HOT! He claimed the needle should be pointing to the 9 o'clock position.

News to me. I've never noticed it/any change. I think he is full of it - but just for comparisons sake - is this within range of normal?



This is the same position my GLE43 sits in when warmed up........I think your oil change person is mistaken.
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Old Feb 2, 2025 | 10:52 AM
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2001 SL500, 2017 GLE350
I agree it seems normal to me. So I was looking through my manual on an unrelated issue, and came across the 'At A Glance' picture of the Instrument Cluster. My old ML500 had numbers, and so does this picture! at 6 oclock - 40 deg Celsius. At 9 o'clock - 80 deg Celsius. At 12 o'clock - 120 deg. OK, I'm totally assuming the degrees celsius, and we all know...
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Old Feb 2, 2025 | 01:14 PM
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SOLVED! NO MORE REPLIES NEEDED - THANKS TO ALL.
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Old Feb 3, 2025 | 01:02 PM
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GLE 400
Normal position for my GLE 400


Last edited by ZX81; Feb 3, 2025 at 01:03 PM.
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