C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe
View Poll Results: how much do you spend on gas for your car per month?
less than $25
1
1.61%
$25 to $50
16
25.81%
$51 to $75
9
14.52%
$76 to $100
20
32.26%
more than $100
16
25.81%
Voters: 62. You may not vote on this poll

The C-Class GAS MILEAGE thread

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Old Nov 19, 2007 | 06:33 PM
  #426  
seagel1000's Avatar
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05 C230 Kompressor
Originally Posted by BlackLiquorish8
throw in a octane booster might help
Dude.

Dont.
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Old Nov 19, 2007 | 06:48 PM
  #427  
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2001 c240
also check your tire pressure. That can make a big difference.
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Old Nov 19, 2007 | 07:59 PM
  #428  
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2019 C300 Wagon; '75 Triumph TR6; previous: 2004 C230 6spd sold after 17 years of driving
Originally Posted by BlackLiquorish8
throw in a octane booster might help
for the cost of one can I can buy about 9 liters of gas that will give me about 100km so actually I am better off without it
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Old Nov 19, 2007 | 10:20 PM
  #429  
e1000's Avatar
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a quarter mile at a time
as said earlier, check your tire pressures. Do you usually drive short distances? I get 18-20mpg average when travelling short distances. I've gotten as high as 31mpg driving from Pennsylvania to Chicago and 29.5mpg from Vegas to Phoenix.
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Old Nov 19, 2007 | 10:53 PM
  #430  
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From: Richmond, B.C
2007 C280 Avantgarde
umm, well I drive around 17 miles? is that a short distance?

Tire pressures looks to be fine...

I have no idea...
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Old Nov 19, 2007 | 11:04 PM
  #431  
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From: vancouver
10 C350
lol ur lucky
mine ranges from 13-15L/100km

once i saw it at 16.0L/100km, i was just =O
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Old Nov 19, 2007 | 11:56 PM
  #432  
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From: Richmond, B.C
2007 C280 Avantgarde
Originally Posted by vinci313
lol ur lucky
mine ranges from 13-15L/100km

once i saw it at 16.0L/100km, i was just =O
do u slam on the gas or something?

I have never gotten over 14...

And I am not the most "passive" driver either
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Old Nov 30, 2007 | 08:08 PM
  #433  
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2001 c320 - 2002 ml55 - 2011 c300 - 2014 slk350 - 2015 cla45
old thread..

took this picture the other day...

hi-way...

-carino

Last edited by ML55CLA45; Mar 19, 2019 at 05:54 AM.
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Old Dec 1, 2007 | 01:39 AM
  #434  
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From: Molde, Norway
C200TCDI Sports Edition
Go diesel, I was thinking 44mpg open road and 38mpg city weren't very good, looks like I'm doing ok, just have to not think about my neighbours BMW 320d which is getting 50mpg open road and 44mpg city.
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Old Dec 1, 2007 | 02:51 AM
  #435  
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From: Peoria, Arizona
RENNtech C32 AMG
Carino

Nice MPG! Was that when you first hit the button, or did you wait for it to drop? I was never able to get that MPG in my C320SS The best I could get was 26.5 @ 65MPH I had 50K on the clock. I guess it's not that big of a difference though. Well I guess I can't complain about my current MPG of 24.5 in a nearly 400 HP car now!
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Old Dec 1, 2007 | 02:54 AM
  #436  
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From: Peoria, Arizona
RENNtech C32 AMG
KiwiRobbie

I'm Dieing to get my hands on an 08/09 C Turbo Diesel! That will be a torque MONSTER with an ECU tune!
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Old Dec 1, 2007 | 02:58 AM
  #437  
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From: Peoria, Arizona
RENNtech C32 AMG
Carino

oops, I guess that was after it averaged the MPG, as I just noticed the car's speedometer was at 0 MPH
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Old Dec 1, 2007 | 10:21 AM
  #438  
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From: Molde, Norway
C200TCDI Sports Edition
Originally Posted by calimax
I'm Dieing to get my hands on an 08/09 C Turbo Diesel! That will be a torque MONSTER with an ECU tune!
I have a Carlsson CD20 power box on order, I get an extra 26hp and 60Nm of torque all for 10,000 NOK and it's supposed to give better economy to. I might get up to 50mpg on the highway.
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Old Dec 2, 2007 | 12:36 AM
  #439  
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From: Peoria, Arizona
RENNtech C32 AMG
Originally Posted by KiwiRobbie
I have a Carlsson CD20 power box on order, I get an extra 26hp and 60Nm of torque all for 10,000 NOK and it's supposed to give better economy to. I might get up to 50mpg on the highway.
HOLY CRAP 50MPG???!!! I'd trade the power in my Renntech for that kind of milage in a new Benz ANY DAY!!!
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Old Dec 3, 2007 | 03:32 AM
  #440  
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From: NorCal
'02 CL203 M111
If you guys REALLY wanted to improve MPG I would suggest you drop your 19" wheel at 30 lbs each and get stock 16 under 24lbs or some 15", but I'm sure none of you would consider this option, or maybe that's NOT an option at all. lol.
Can anyone remember the rule when you add 1lbs on each wheel and you end up getting something like 8lbs or so to the car???
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Old Dec 3, 2007 | 05:26 PM
  #441  
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excites your girlfriend
damn, i'm gonna pick me up some 14" steelies tonight!
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Old Dec 3, 2007 | 06:33 PM
  #442  
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2001 c320 - 2002 ml55 - 2011 c300 - 2014 slk350 - 2015 cla45
...

im running on 18's...
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Old Dec 9, 2007 | 11:24 PM
  #443  
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2013 S550, CLS500, ‘03 SL500, “92 190E Sportline
Gas Mileage c230 Kompressor Sedan SITUATION

Hey guys. Need your assistance lol...I just purchased my c230 sedan about a month ago. When I first got it, I would drive pretty aggressively, flooring it here and there, down shifting to go faster, taking it 100mph + ...But, lately I have been babying the engine, I mean REALLY babying it, I think I have annoyed people at how slow I've been accelerating and cruising. I try not to take it above 3000rpms before shifting, and cruise in 6th gear at about 68mph. But I have noticed that I have been getting roughly the same mpg when I baby it, as when I drove hard. (about 320 miles per tank, or about 22-23 mpg average) Have any of you noticed this? Does the supercharger (or something else) play a role in gas consumption when driving aggressively? I'm thinking that if I get the same mpg by either driving characteristics, maybe it's better for the engine to keep it revving a little higher, rather than undertaking it. What do you guys think?

maybe i should add that i live in new york, and it has been quite cold lately, like around 30 degrees, sometimes more, sometimes LESSS!!! BRRR!!!

p.s. sorry if this has already been discussed, i did a a search but found nothing...

Last edited by aolsen; Dec 9, 2007 at 11:28 PM.
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Old Dec 9, 2007 | 11:39 PM
  #444  
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2004 C32 ///AMG
I notice less MPG when I drive hard. A lot less.
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Old Dec 9, 2007 | 11:40 PM
  #445  
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From: Charlotte, NC
2013 S550, CLS500, ‘03 SL500, “92 190E Sportline
lol..i would imagine, haha

Originally Posted by rlee02135
I notice less MPG when I drive hard. A lot less.
with all that hp, lol, must be FUNNN!!!
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Old Dec 10, 2007 | 01:30 PM
  #446  
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2002 C230K, 2013 BMW 328, 2015 BMW X5
What in the world is up with that rhyme at the end of your sig?!

Start with easy stuff first. Check tire pressures, condition of your engine air filter, spark plugs. Perhaps try using a fuel injector cleaner.

Something is going on, you if you baby it like you say you are, you should be getting way better mileage.

E
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Old Dec 10, 2007 | 01:33 PM
  #447  
aolsen's Avatar
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From: Charlotte, NC
2013 S550, CLS500, ‘03 SL500, “92 190E Sportline
Originally Posted by emrliquidlife
What in the world is up with that rhyme at the end of your sig?!

Start with easy stuff first. Check tire pressures, condition of your engine air filter, spark plugs. Perhaps try using a fuel injector cleaner.

Something is going on, you if you baby it like you say you are, you should be getting way better mileage.

E
haha, you have to see my other thread "Bad Weather Driving Experiences" to understand the signature lol...

Perhaps that's an issue, I dunno if the AMG wheel setup and brakes on my car has an effect. But true, I should be getting better mileage, I feather the throttle, leave it in neutral at times going downhill, slow down slowly, etc...

As far as the fuel injector cleaner, do u have any recommendations as to which is the best for this car? Or would it not matter?

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Old Dec 10, 2007 | 02:35 PM
  #448  
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From: Seattle
w203 m112
Originally Posted by emrliquidlife
What in the world is up with that rhyme at the end of your sig?!
lol.. you'd have to understand that lil dancing smiley face on top of the rhyme too...

aolsen, Do what E said and do the lil gas pedal reset thingie...
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Old Dec 10, 2007 | 05:06 PM
  #449  
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2013 S550, CLS500, ‘03 SL500, “92 190E Sportline
i'm not sure I know what you mean

Originally Posted by TruTaing
aolsen, Do what E said and do the lil gas pedal reset thingie...
I didn't notice that on this thread, what is it? lol...
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Old Dec 10, 2007 | 05:47 PM
  #450  
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w203 m112
Search "Throttle Reset" - It should be in the stickies.
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