G Class (W463A) Produced 2019-Present: G550, G63 AMG

Oil Temp not Increasing

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Old 04-03-2021, 06:38 PM
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2021 G550, BMW X5M, 2020 Toyota Supra LE
Oil Temp not Increasing

I am pretty OCD with my rides and make sure they are fully warmed up before going WOT.

However, my oil temp reading appears accurate some of the time but other times sits at 32 degrees.

It has been 70 here the past few days, as well I park it in a heated garage....The oil temp shows a temp of 32 and doesn’t increase even after 20-30 minutes of driving.

I called my dealer and they said the sensor is slow to update.

It doesn’t really bother me, but I am wondering if other vehicle systems are affected as the car thinks that it isn’t warmed up....?

Coolant temp reads fine.





Old 04-04-2021, 12:54 AM
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2018 G63
What is that lower screen shot from?
Old 04-04-2021, 10:20 AM
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I don't recall ever seeing the screen in your lower photo anywhere in my 2019 G550, but I'll check again. Do you have MercedesMe service? Maybe it's a temperature that gets calculated by MercedesMe and there's a 4 hour update delay (lol).
Old 04-04-2021, 12:45 PM
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Originally Posted by Mopars
What is that lower screen shot from?
Originally Posted by streborx
I don't recall ever seeing the screen in your lower photo anywhere in my 2019 G550, but I'll check again. Do you have MercedesMe service? Maybe it's a temperature that gets calculated by MercedesMe and there's a 4 hour update delay (lol).
It’s the Engine Data screen.

Access it by:

1). Pressing the vehicle button to the right of the analog clock.

2). Click on “Dynamic Select”

3). Click on “Engine Data”

(There is also a “vehicle data” which I have used, more for fun, to see the steepness of a hill).

I have these saved as favorites as it is sort of clunky to quickly pull up.
Old 04-04-2021, 03:24 PM
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I had this issue and as a result the fan ran constantly ... they had a whole series of software updates to fix it ... took a few annoying days
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Old 04-04-2021, 04:31 PM
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Originally Posted by ThreeGs
I had this issue and as a result the fan ran constantly ... they had a whole series of software updates to fix it ... took a few annoying days
Any chance you can send me a pic of the work order? Do you know if the repair was part of a TSB?

I would have thought that it would make the fan never run (because it thinks the car is cold) strange...
Old 04-04-2021, 05:22 PM
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Here you go
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Old 04-04-2021, 05:34 PM
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Originally Posted by ThreeGs
Here you go

Thank you!!! I appreciate it!

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