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GLE 450 "Engine Screen"

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Old May 1, 2020 | 02:58 PM
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From: Gresham, OR
2020 GLE 450
GLE 450 "Engine Screen"
Along with HP, Torque etc. there is a graph for "Charge -air Press". Called the dealer maint department who did not know what it was for. Best guess is turbo boost pressure or when a diesel comes along for it. Mine reads 0 all the time no matter what load I put on the motor. I figured someone here would know. Had the car 5 months now and I am still trying to figure some things out. lol
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Old May 1, 2020 | 03:16 PM
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GLC 300d 4matic
No idea what it means tbh. ....

Air suspension?
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Old May 1, 2020 | 05:21 PM
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2020 GLE 350d AMG Line Prem+
On mine the reading increases under load so I’m guessing it’s a reading for the turbo boost - can’t say for certain though.
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Old May 1, 2020 | 05:47 PM
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From: Gresham, OR
2020 GLE 450
I see you have the AMG. Perhaps this is an AMG feature.
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Old May 1, 2020 | 05:57 PM
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2020 GLE 350d AMG Line Prem+
I have the 350 diesel, it’s an AMG line but not an actual AMG. Maybe it only shows readings on the Diesel engines?
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Old May 2, 2020 | 09:16 AM
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Originally Posted by frtdog
Along with HP, Torque etc. there is a graph for "Charge -air Press". Called the dealer maint department who did not know what it was for. Best guess is turbo boost pressure or when a diesel comes along for it. Mine reads 0 all the time no matter what load I put on the motor. I figured someone here would know. Had the car 5 months now and I am still trying to figure some things out. lol
Thanks
I have the 450 and it’s the turbo boost pressure. Only registers when accelerating hard.
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Old May 2, 2020 | 06:23 PM
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From: Gresham, OR
2020 GLE 450
Originally Posted by jcapotos
I have the 450 and it’s the turbo boost pressure. Only registers when accelerating hard.
Interesting. I have floored it a few times and saw no indication. Perhaps my system is malfunctioning. It would seem that if it was to show boost, it would show it all the time just like it does HP and Torque.
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Old May 2, 2020 | 07:32 PM
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Originally Posted by frtdog
Interesting. I have floored it a few times and saw no indication. Perhaps my system is malfunctioning. It would seem that if it was to show boost, it would show it all the time just like it does HP and Torque.
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It’s the same on our Audi and GLE 450...there is no Boost to register unless you are driving with some decent acceleration or pulling a hill or trailer. HP & Torque readings are there from the start (even at idle) unless the vehicle is Coasting with the Engine off. If yours doesn’t register at hard acceleration then something is malfunctioning.
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Old May 5, 2020 | 07:22 PM
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2020 GLE 350d AMG Line Prem+
It must be different for the diesels as mine always shows a reading unless in park or I have my foot completely off the accelerator.

Driving at 30mph I see readings between 50/70 kPa, this was on a very slight incline.

The most I’ve been able to get it to is about 270 kPa.
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