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2012 G550 gas mileage

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Old Aug 9, 2018 | 10:19 PM
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2012 G550 gas mileage

hi everyone new to the forum and new to Mercedes. Just bought a beautiful 2012 G550 3 weeks ago and I’m learning my way around it. I just went through my first tank of gas and only got 240 miles. Is that normal? When I first filled up the range said I’d get 345. Also, any tips or tricks from current owners on what I should know on this thing would be greatly appreciated.
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Old Aug 9, 2018 | 10:45 PM
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From: Calabasas, CA
2018 G63 AMG x2, 2017 BMW M6
G-Class gas mileage is dismal. I got my 2018 G63 in late June and I had a 2016 G550. It seems mpg is almost always 8-14 :-O

I had a 2017 X5 35d and I would go 500-600 miles per tank of diesel. 2018 G63....200-250 miles!
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Old Aug 9, 2018 | 11:41 PM
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Thanks for the reply. I knew what I was getting into but it’s crazy this thing gets about the same mpg as my Hummer it’s lighter with 3 more gears...
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Old Aug 10, 2018 | 11:04 AM
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18 G550, 24 EQB3504M
Same observation here. 8-16 in my G550. 8 going around in the city of San Francisco over hills and stuff, 16 on flat highways going 55mph - I very much expected it. It's also hard to resist opening up the throttle to listen to the V8
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Old Aug 11, 2018 | 06:45 PM
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2012 G550 - Capri Blue Metallic
Yes, around 11-12 mpg around town for me... Premium 93 octane, of course...
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Old Sep 13, 2018 | 10:36 PM
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take your brush guard off and you MPG will go up. funny but true for me
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Old Sep 29, 2018 | 02:08 AM
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I'm getting about 14 mpg, but I drive in "E" not "S"

Last edited by Sarlox; Sep 29, 2018 at 02:09 AM. Reason: forgot some items
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Old Sep 29, 2018 | 09:25 AM
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Originally Posted by Sarlox
I'm getting about 14 mpg, but I drive in "E" not "S"
E is not an option for the AMG, but I keep mine always in C. On the highway, around 60-65mph, flat road of course, low wind and perfectly calibrated humidity LOL....I can get 14 mpg! But honestly, kind of no matter what I do, MPG is just always about 10-12mpg generally

LOVE my G63, but I better get a damn fruit basket from Chevron this December!!
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Old Sep 29, 2018 | 02:06 PM
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One tip is - get a lift! These trucks look SO much better lifted 2-3 inches (about the most you can do without spending $$$). You'll need 35 mm wheel spacers, and the optimal tire size is 34 inches. Night and day difference in look, should've come from the factory that way.

Last edited by Limey Hooligan; Sep 29, 2018 at 02:10 PM.
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