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Amazing fuel economy

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Old Aug 31, 2020 | 12:20 PM
  #1  
Ralph112's Avatar
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From: Frisco, TX
2013 BMW 5 Series, 2020 GLE 350
Amazing fuel economy

I was skeptical of the gas mileage for an "SUV" since it was going to be used mostly for grocery shopping and driving around the suburbs, but this was a pleasant surprise. Yes my wife is light footed, but nevertheless!


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Old Aug 31, 2020 | 12:42 PM
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bmw 535i xdrive
Best I've gotten is 27.5mpg. Just filled up and the estimated range was 568 miles. Unbelievable for an SUV.
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Old Aug 31, 2020 | 01:34 PM
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2020 GLS
Nice! I just returned from a road trip in my 2020 GLS450 with 5 passengers, full luggage and averaged 25.8 mpg. Agree - Not bad for SUV

Last edited by Bayern; Aug 31, 2020 at 02:02 PM.
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Old Aug 31, 2020 | 01:55 PM
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bmw 535i xdrive
Mine is the 4 banger so I guess that explains the difference.
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Old Aug 31, 2020 | 06:12 PM
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2020 GLC43 | 2020 GLE350 | 2014 E350 (sold)
Anyone else notice that the app mpg and in-car mpg readings are different for the same trip??
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Old Aug 31, 2020 | 07:12 PM
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2024 GLE 450 4matic
Originally Posted by MercOne1
Anyone else notice that the app mpg and in-car mpg readings are different for the same trip??
I always reset my trip odometer at fill up and do the math. Actual mpg is usually 10% lower than the onboard computer reports. Still pretty respectable for a vehicle of this size and weight.
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Old Aug 31, 2020 | 09:18 PM
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2024 E450 AT Wagon, 2024 EQS450+ / Had: 2021 E350, 2019 E300, 2021 + 20 GLE350, 2019 E450 Wagon(s)
Just did 1,600 miles round trip in mine - 26mpg, which includes about two hours of parked idling time, so actual mpg was likely higher. Amazing getting that kind of mileage and decent performance from a big vehicle with a 4cyl engine. I am sure the new 6cyl is awesome, but they really made it easy to like the 4cyl.

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Old Sep 1, 2020 | 08:22 AM
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2020 GLE 350
Originally Posted by Lucky 777
I always reset my trip odometer at fill up and do the math. Actual mpg is usually 10% lower than the onboard computer reports. Still pretty respectable for a vehicle of this size and weight.
I do the same thing. I am a retired engineering manager so I have to have a spreadsheet!! I calculate my mileage and compare that to the displayed value at each tank fill. I have filled my tank 33 times since taking delivery about 15 months ago. I have averaged 22.8 mpg over 8063 miles. Amazingly, my display has been within 1% on virtually every fill! My MB trip computer is the most accurate of any vehicle I have ever owned!!
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Old Sep 1, 2020 | 08:55 AM
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2024 GLE 450 4matic
Originally Posted by WA3CUJ
I do the same thing. I am a retired engineering manager so I have to have a spreadsheet!! I calculate my mileage and compare that to the displayed value at each tank fill. I have filled my tank 33 times since taking delivery about 15 months ago. I have averaged 22.8 mpg over 8063 miles. Amazingly, my display has been within 1% on virtually every fill! My MB trip computer is the most accurate of any vehicle I have ever owned!!
I've worked with engineer types most of my career...you're among friends. There's a Dilbert short called "The Knack", look it up on YouTube.
Anyway, maybe I'm looking at the wrong mpg log. I just glance at the average from start which is usually just a few miles and I normally only drive the car once or twice a week.
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Old Sep 1, 2020 | 01:59 PM
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'12 Ducati 1198S, GLE C292
*Yes this is a hybrid, but still!:
https://www.autocar.co.uk/car-review...ic-2019-review

One of the first GLE350de's that were sold in my town now has 12000km on it. Owner claims he filled the tank 4 times since he got it, and has a mileage of 0,31L / 100km
Does 100km commute to work back/forth.

The hybrid version is allmost 10k cheaper than the regular 350 here in Norway due to tax incentives for hybrid/electric cars.
320hp and 700nm (516 foot pound). Still impressive numbers for a 4 cyl.
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Old Sep 1, 2020 | 06:30 PM
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2020 GLE 350
Originally Posted by Lucky 777
I've worked with engineer types most of my career...you're among friends. There's a Dilbert short called "The Knack", look it up on YouTube.
Anyway, maybe I'm looking at the wrong mpg log. I just glance at the average from start which is usually just a few miles and I normally only drive the car once or twice a week.
Oh my, that was funny!! It pretty much describes me back in my youth when I became a ham radio operator. I would take anything apart and try to put it back together again as described in the video. Thanks for giving me a heads up on that.
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Old Sep 1, 2020 | 08:04 PM
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2024 GLE 450 4matic
Originally Posted by WA3CUJ
Oh my, that was funny!! It pretty much describes me back in my youth when I became a ham radio operator. I would take anything apart and try to put it back together again as described in the video. Thanks for giving me a heads up on that.
I don't want to take this too far off topic, but I'd say we have walked similar paths. 73, N3BV
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Old Sep 1, 2020 | 08:57 PM
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2023 GLC 300 4MATIC
Today for me. Love the 350. And in sport mode it is amazingly quick. If I want pure speed I’ll take my other car.



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Old Sep 3, 2020 | 12:55 AM
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2020 Mercedes GLE350 4Matic; 2023 Tesla Model Y



No complaints here. I had my, parents, and two teenagers in the vehicle when I achieve this mileage on an 89 mile trip. That said, it's a little odd we all 3 got exactly 29.4 MPG, wonder if there was some computer glitch with Mercedes and Me?

Last edited by TexAg91; Sep 4, 2020 at 07:13 PM.
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Old Sep 3, 2020 | 03:29 PM
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ES350 E300 GLE350 GMC3500 Duramax
Originally Posted by guitarplayer
Today for me. Love the 350. And in sport mode it is amazingly quick. If I want pure speed I’ll take my other car.

And the other car is????
i know a 1962 Impala SS 409 4 speed?
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Old Sep 6, 2020 | 06:00 PM
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
That looks like the mileage from our ML350 BlueTec, which we just traded for a GLE450. We'll miss the mileage, I suppose.
But we have the 4-cyl in a GLC300 and it gets @30 also.
Any more reports on a GLE450?
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Old Sep 6, 2020 | 08:09 PM
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2020 Mercedes GLE 450
Here is mine. The last trip consist of mostly city driving (stop and go) with ~3 miles of highway.


And here is my average MPG based on my fuel tracking app.
Before the lockdown, I was trying ~60miles highway and 10 miles local per day on my commute, with heavy traffic from time to time.
Since the lockdown, I did mostly local with grocery shopping so a lot of idles and very slow speed of travel (and much less mileage) which result in the 18MPG one.
(You can also tell I only fuel up once in that 3 months window )


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