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Fuel Economy Getting Worse And Worse

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Old 04-19-2006, 10:34 PM
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Fuel Economy Getting Worse And Worse

Does Anyone Having Problem With Fuel Economy? Mine Used To Be Around 12l/100km, But Now It's Becoming More Like 16l/100km...please Advise~~~
Old 04-19-2006, 11:55 PM
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R35 GT-R, EvoX
Its probably your driving habits. The heavier the foot, the worse the mileage gets. Also, stop and go is worse than highway.
Old 04-20-2006, 01:56 AM
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G63, AMG GT S
I don't even have 1k on my car yet, but my first tank lasted me till 225, my second till 200, my third till 225, and my last one for 275. I haven't been driving rought at all, but I drive mostly in the city.
Old 04-20-2006, 12:28 PM
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2009 Audi R8
did you put rims on the car?
Old 04-20-2006, 05:18 PM
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03 CLK500, 04 X3, No 07 GT3RS :(
what is your tire pressure?
Old 04-20-2006, 06:31 PM
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2022 E350 Cabriolet
Have done 7000 Km and average is 10.1L/100Km which I think is very good for a 5 litre V8.
Old 04-21-2006, 01:38 AM
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G63, AMG GT S
Originally Posted by nytojerz
did you put rims on the car?
Nope. All stock.

Originally Posted by Frisco
what is your tire pressure?
Not sure. I'm bring the car in at the beginning of May for it's 1k check-up.


I'm convinced it's simply the city driving as I really only use it to get to work. My commute is pretty much 4 miles on the freeway, and 16 in the city (combined).
Old 04-21-2006, 12:34 PM
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S550
after 25k i havent noticed much of a difference, but with gas near 3 dollars a gallon im gonna try to take it easy on my driving habits
Old 04-22-2006, 03:47 AM
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W209
Originally Posted by smandkjc
Have done 7000 Km and average is 10.1L/100Km which I think is very good for a 5 litre V8.
WOOOW
it is incredible. Mine is 200Komp and average is 11L/100 Km. I use 98 octane.
Old 04-23-2006, 05:21 AM
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CLK 500 Convertible
yup, it all depends on your driving habits. i usually get around 17 liter per 100 km. if i remember right i even had 19.8 liters as an average when i filled up my tank before pfpfhaha
Old 04-23-2006, 10:44 AM
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2003 CLK320
I have 87,000 miles on my 209 (v6) and I can get from Jacksonville to Tampa (about 190 miles) in half a tank. Same as when it was new.
Old 04-27-2006, 04:05 PM
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CLK
My clk320 never gone beyond 300 mile for a full tank since first day; regardless freeway or city. Really bad I think. (ave. 18 mpg combined)
Old 04-28-2006, 05:21 PM
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I have a CLK 200 K. The fuel consumption really depends on how you drive it. If I drive it aggresively, I will only get max 500 km range out of full tank (14 lt / 100 km). If I drive it like a good boy, I will get 550 -600 km (11-12 lt/100 km). If I am driving it on autobahn with lower speeds than 120 kmh (74 mph). I get around 700-800 km for full tank. If I am speeding around 140-150. I get around 600 km. If my average speed is faster than 170 kmh, I get less than 500 km/full tank of gas.

The lowest gas milage I have ever seen on my car is 6.1 lt/100 km.
Highest is 14 lt/ 100 km.

My car has 50000 km on it. I have tested it on all these speeds
Old 04-30-2006, 12:03 PM
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I just added some carbon cleaner and some engine treatment, hope these would work. I have been driving the same, starting the 4th year of my car, the fuel economy went crazy. I would get 25L/100KM when i started the car....then it may go down to 15L/100km after few kilometers. It used to be much lower before, really don't know why.... or perhaps the engine oil sucks?

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