C450/C43 AMG
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Old Jul 18, 2022 | 03:19 PM
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Mechanic2022's Avatar
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C450
Fuel Economy

Hi guys, what fuel average do you guys get on your C450 (city & highway)?
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Old Jul 18, 2022 | 05:44 PM
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C43
I have a combined average of just over 15 mpg over the last 3 years of ownership (tuned for virtually all three years, running an e30 gas blend and with primarily non-freeway driving).
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Old Jul 18, 2022 | 06:05 PM
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Similar mileage as forum member C43HeartBoost but untuned but flooring it a lot of times, but mines a C 43 with the 9G if OP is specifically asking for the C 450 with the 7G, my information might not be helpful. In that case, I am sorry about that.
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Old Jul 18, 2022 | 06:13 PM
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016 c450 AMG
8.3 L/100 KM over 3 years and 20k miles, about 28 MPG..Probably 60/40 mix in favour of highway vs city..No tracking, but a few flat out runs to triple digit (MPH) to keep the pipes clean. 93 octane when I have it available..94 octane once in a while..never less than 91

'016 C450 AMG

Last edited by White One; Jul 18, 2022 at 06:15 PM.
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Old Jul 18, 2022 | 06:58 PM
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'16 AMG GTS, '21 AMG GLE53
Ignore the city highway mix as I don’t track that. Fuel ups just default to 50/50



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Old Jul 19, 2022 | 01:33 PM
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Here's my contribution (from Road Trip app): 2017 C43 sedan with top-end RaceChip always set to most aggressive setting and car normally driven with powertrain in sport and I'd guess about 50/50 in-town (but not too much stop 'n go type traffic) vs highway driving (typically averaging about 104 kph [almost 65 mph]).

Note: this is in imperial/non-US gallons - there's a nice converter at https://www.omnicalculator.com/conve...nomy-converter

So, can you identify the mileage on track days? $;-))
The nice/high-mileage spikes are for fills on long (1K+ km) highway trips, normally involving traversing the rocky mountains. Prairie/flat-road highway driving can produce 35 mpg.


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