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2012 G550 gas mileage

Old 08-09-2018, 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.
Old 08-09-2018, 10:45 PM
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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!
Old 08-09-2018, 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 08-10-2018, 11:04 AM
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18 G550, 18 C350e
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 08-11-2018, 06:45 PM
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2012 G550 - Capri Blue Metallic, 2018 Porsche 911 GT3 - Silver
Yes, around 11-12 mpg around town for me... Premium 93 octane, of course...
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Old 09-13-2018, 10:36 PM
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06 CLS55 & 2011 G55
take your brush guard off and you MPG will go up. funny but true for me
Old 09-29-2018, 02:08 AM
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I'm getting about 14 mpg, but I drive in "E" not "S"

Last edited by Sarlox; 09-29-2018 at 02:09 AM. Reason: forgot some items
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Old 09-29-2018, 09:25 AM
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2018 G63 AMG x2, 2017 BMW M6
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!!
Old 09-29-2018, 02:06 PM
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2012 G550 - Capri Blue Metallic, 2018 Porsche 911 GT3 - Silver
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; 09-29-2018 at 02:10 PM.

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