GLK-Class (X204) Produced 2008-2014

GLK MPG Achieved

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Old Dec 28, 2009 | 10:18 PM
  #1  
glkbeige's Avatar
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From: Georgia
2010 GLK 350 Sandstone Beige
Cool GLK MPG Achieved

I just drove from Atlanta to Ft Lauderdale and managed to get 26.2 mpg's with the AC on. I'm curious if any one is getting some decent mpg with their GLK and under what conditions?

GLK Sand Beige RWD with Premium Pkg & UMI.
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Old Dec 28, 2009 | 10:30 PM
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From: Ft Myers FL
2010 Barolo Red-Almond/Black GLK 350, 2008 Cadillac Gold Mist LUX III DTS
Wow. That's good.

Details. We need Details!
How many miles on the GLK?
What Gasoline?
Average driving speed?
C or S?
How many people in the car?
Tire inflation?
What kind of Tire?
Measured or computer readout?
How accurate is the readout? Most are not "consistent".
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Old Dec 29, 2009 | 02:33 AM
  #3  
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From: Far West Texas
GLK 4Matic
...and to continue with RedRover's questions

what color is your hair?
what sign are you?
are you a cat person or a dog person?
paper or plastic?
up or down?
Just kidding of course. That is really good. We still haven't been on any long road trip so I can't say what we'd get but we regularly get 24/25 mpg at around 65/70 mph. I was hoping there wasn't going to be too much loss of mpg with our 4matic.
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Old Dec 29, 2009 | 09:25 AM
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Nissan GT-R BE / '12 Ducati-1199 Panigale S / '12 C300-4M Loaded/GLK350-4M Loaded
Originally Posted by glkbeige
I just drove from Atlanta to Ft Lauderdale and managed to get 26.2 mpg's with the AC on. I'm curious if any one is getting some decent mpg with their GLK and under what conditions?

GLK Sand Beige RWD with Premium Pkg & UMI.

Excellent! But it is a RWD'er.
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Old Dec 29, 2009 | 09:52 AM
  #5  
glkbeige's Avatar
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From: Georgia
2010 GLK 350 Sandstone Beige
Cool GLK MPG Update

Here is your info!

How many miles on the GLK? 1200

What Gasoline? mid grade

Average driving speed? 67-70 mph

C or S? C

How many people in the car? 2 with the back seats down and loaded with luggage, coolers, boxes of food, etc.

Tire inflation? normal inflation ??? it only went over 1k miles.

What kind of Tire? Continental 235-50-19

Measured or computer readout? Computer & Measured (fill-up and normal math computations with gas quantity/mileage since last reading)

How accurate is the readout? Most are not "consistent". Who knows?

Base model Sand Beige (not many of this color) w/ Premium & UMI.

Last edited by glkbeige; Dec 29, 2009 at 09:54 AM. Reason: more info
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Old Dec 29, 2009 | 10:55 AM
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From: Ft Myers FL
2010 Barolo Red-Almond/Black GLK 350, 2008 Cadillac Gold Mist LUX III DTS
Cool.
Mid grade gas?
Any knocking or pinging?
(In my mind, mid grade should be fine. Nearly all cars today have knock sensors. When the sensors detect the sound of preignition,the computer dials back the timing. This is a constant sampling/adjusting cycle. It defies the imagination to think that Mercedes wouldn't do this. But, my sales guy was adamant that the gLK requires 91 octane)

Anyway, I drive a bit faster than that........pretty much 5 over......so that puts me at 75 or even 80 on the interstates.
But you did very, very well.
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Old Dec 29, 2009 | 11:54 AM
  #7  
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From: Georgia
2010 GLK 350 Sandstone Beige
No pinging or knocking and fantastic Sirius radio going south in FL. I usually use 89 or 93 and can't seem to find 91 octane. What oil/gas company specifically has 91 Octane?



Originally Posted by RedRover
Cool.
Mid grade gas?
Any knocking or pinging?
(In my mind, mid grade should be fine. Nearly all cars today have knock sensors. When the sensors detect the sound of preignition,the computer dials back the timing. This is a constant sampling/adjusting cycle. It defies the imagination to think that Mercedes wouldn't do this. But, my sales guy was adamant that the gLK requires 91 octane)

Anyway, I drive a bit faster than that........pretty much 5 over......so that puts me at 75 or even 80 on the interstates.
But you did very, very well.
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Old Dec 29, 2009 | 12:55 PM
  #8  
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From: Ft Myers FL
2010 Barolo Red-Almond/Black GLK 350, 2008 Cadillac Gold Mist LUX III DTS
No one here in FL, but that is what MB recos I think....prolly because that is the normal premium in the most of the uS........
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Old Dec 29, 2009 | 05:48 PM
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911
How were the seats? I am considering a GLK and do a lot of long distance driving. Were you and your passenger confortable?

Thanks
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Old Dec 29, 2009 | 06:42 PM
  #10  
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From: Georgia
2010 GLK 350 Sandstone Beige
Pretty much! It has lumbar support and I did play with the seat controls until it felt right. The passenger had me remove the head cushion on the rear seat so she could be fully reclined. She slept and I cruised I75 & the FL parkway listening to some great SAT radio. In town I'm still getting a decent 20-22 mpg.

Originally Posted by pb12
How were the seats? I am considering a GLK and do a lot of long distance driving. Were you and your passenger confortable?

Thanks
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Old Dec 30, 2009 | 11:42 AM
  #11  
NYCGLK's Avatar
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From: Northern NJ
GLK 350 / Porsche 993
Here I have 20's pirrellis, drive in S, fill up "ultimate" at BP (the top grade with 93? octane) in NJ.

I get:
20 mpg going 80-90
22 mpg going 65-75

16-18 in town going 25-50 with occasional stops.
13-15 driving in NYC

This is quite interesting:
http://blogs.consumerreports.org/car...l-economy.html

So I think at a steady 55mph GLK can def get 24-26 range.
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