M-Class (W166) Produced 2012-2015

What range has the ML63? (highway mpg)

Old Feb 20, 2013 | 04:36 AM
  #1  
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Question What range has the ML63? (highway mpg)

How many miles a tank do you get on the ML63 -- on a long drive. Just cruising?

EPA highway suggests 400 miles, is that right?

How about if you're pushing it around a city on random short trips without regard for gas consumption?
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Old Feb 20, 2013 | 10:22 AM
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On my daily commute to work (22 miles each way, all freeway) I only average 12-13 mpg but the freeway is mostly hills and I do have a heavy right foot :-)

I get around 250 miles on a tank of gas...but then again, I didn't buy this vehicle for fuel economy. Gotta pay to play!
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Old Feb 20, 2013 | 02:46 PM
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Originally Posted by another_geek
On my daily commute to work (22 miles each way, all freeway) I only average 12-13 mpg but the freeway is mostly hills and I do have a heavy right foot :-)

I get around 250 miles on a tank of gas...but then again, I didn't buy this vehicle for fuel economy. Gotta pay to play!
I hear ya, if I’m lucky I am getting the same mileage as you with my CTS-V. But when I drive that car my right foot is usually planted to the floor and I have a grin on my face from ear to ear, and like you the mileage is the last thing on my mind.

It would be the same way if I owned an ML63, it must be a blast to drive.
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Old Feb 21, 2013 | 01:04 AM
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with great power comes greater gas money..
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Old Feb 21, 2013 | 11:05 AM
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In my experience, the mpg figures of MB and EPA are much higher than reality. This car is meant to drive without any regard to mpg. Same as a Ferrari or Bentley.
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Old Feb 21, 2013 | 05:50 PM
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I don't really understand why although not achievable day to day, you can't achieve *tested* consumption if you actually try.

I don't think anyone has any difficulty achieving the EPA rated consumption of a Prius if they aim to, in fact it is possible to do better if you drive especially gingerly.

But the official figures of these MLs (not picking on the AMG here) seem impossible to replicate.

For instance the highway cycle consumption of the 350 diesel is 6.8l highway 8.3l urban. No way no how can I get 6.8 on highway trip even if I hypermile, and urban would be more like 12 or 13. Even using the optimistic dash readout.

So how does an "official" test presumably on a new tight engine spit out 6.8 ?

Are official tests missing something dramatic like they are done on rollers and are missing the weight of the car, or the aerodynamics?
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Old Feb 21, 2013 | 05:59 PM
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I wouldn't say the mileage figures are impossible to achieve. I've gotten around 16mpg (based on the built-in computer) when keeping to the speed limit of 65mph which isn't too far off from the rated 17 mpg. It is just that I choose not to drive at that speed most of the time :-)
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Old Feb 21, 2013 | 06:15 PM
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Originally Posted by another_geek
I wouldn't say the mileage figures are impossible to achieve. I've gotten around 16mpg (based on the built-in computer) when keeping to the speed limit of 65mph which isn't too far off from the rated 17 mpg. It is just that I choose not to drive at that speed most of the time :-)
Hmm.
I'll have to experiment some more with mine. The gulf between claimed highway consumption of 34.5mpg and a long trip where I didn't go above 55mph but only achieved 25mpg seems too big to ever be reconciled.
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Old Feb 21, 2013 | 07:45 PM
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where are you getting 34.5 mpg from? I dont know if you have a bluetec or gas model but here in the US, the 350 is only rated at 23 mpg highway and the 350BT is rated at 28 mpg highway
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Old Feb 21, 2013 | 08:33 PM
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The government rated economy in australia is listed as:
6.8l/100km highway
8.3l/100km urban
7.3l/100km "combined"

In addition the Australian MB brochure lists the "combined" consumption as 7.3l/100km "ADR 81/02"

So I get 34.5 US MPG by using google.
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Old Feb 21, 2013 | 08:35 PM
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hasten to add .. this is for the diesel

And just going by my undoubtably optimistic dash readout:

lazy highway trips (but not dead flat): 9.0l/100km
lazy short urban trips (slow average speed, hills): 13 to 15l/100km
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Old Feb 21, 2013 | 09:06 PM
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I think the Australian government figures are no where near realistic. For an ML63, they list it as 11.8L/100km combined which translates to almost 20mpg! Compared to the 13/17mpg specs in the US, I think the US specs are more in line with reality.

What you are getting on your car seems to be much closer to the US specs also for a 350BT
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Old Feb 21, 2013 | 09:17 PM
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from wikipedia, Australia uses the EU testing methodology - http://en.wikipedia.org/wiki/Fuel_ec...in_automobiles
The urban economy is measured using the test cycle known as ECE-15, first introduced in 1970 by EC Directive 70/220/EWG and finalized by EEC Directive 90/C81/01 in 1999. It simulates a 4,052 m (2.518 mile) urban trip at an average speed of 18.7 km/h (11.6 mph) and at a maximum speed of 50 km/h (31 mph).

The extra-urban driving cycle or EUDC lasts 400 seconds (6 minutes 40 seconds) at an average speed 62.6 km/h (39 mph) and a top speed of 120 km/h (74.6 mph).[21]

EU fuel consumption numbers tend to be considerably lower than corresponding US EPA test results for the same vehicle. For example, the 2011 Honda CR-Z with a six-speed manual transmission is rated 6.1/4.4 L/100 km in Europe and 7.6/6.4 L/100 km in the United States
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Old Feb 21, 2013 | 09:18 PM
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Yes, done some digging and Australia despite labelling the results "ADR" are actually just copy/pasting the Euro results for co2 and l/100km, word for word.

So the UK/Euro ratings for the ML350 (and other cars) are unrealistically high. I checked a Prius as well, and the Euro highway rating for the prius is 30% higher than the US EPA rating, and I hasten to add, at 3.7, is probably unachievable unless the prius owner slipstreams a truck.

I honestly had no idea. It makes considering fuel economy figures in australia/UK by comparing the published ratings to what your current older car actually reports, completely ridiculous.

When I weighed up the pro/con of the 350 diesel I actually thought that I was buying a car that could realistically manage ~7 liter / 100km on a long trip at the speed limit because I thought while Urban figures were going to be optimistic, how could they get highway really wrong?

The take away for me is to ignore manufacturers figures in Australia/Europe and pay closer attention to the EPA figures.
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Old Feb 23, 2013 | 12:34 AM
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Jellies, To add to your suspicions MB created a 70 litre fuel tank for Europe with the 93 litre as an option.

Why? - To minimise the weight for the economy and performance testing.

And you can bet your bottom dollar they had the tyre pressures so high that if you ran over a sixpence, you could tell if it was heads or tails.
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Old Feb 23, 2013 | 12:47 AM
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today we drove 300km to Canberra flat as a pancake with a 110kmh speed limit, 20c temps so the ac didn't have to work hard 2 adults 2 kids, the trip computer reported 9.2 l/100km which is higher than city consumption euro..
I don't think it is even possible on a flat road to do less then 8.3 (the city rating) for a trip over 20 minutes long. maybe if you drove at 40mph?
I think it is outrageous. If the euro cycle is more accurate for lighter smaller cars then it is overselling the SUV economy ratings. if the euro ratings are open to manufacturer cheating then they are useless for car to car comparo. Didn't Hyundai get nicked for overstating their figures by only a bit?
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Old Feb 28, 2013 | 12:42 PM
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Originally Posted by jellies

Are official tests missing something dramatic like they are done on rollers and are missing the weight of the car, or the aerodynamics?
Yes Sir thats exactly what i red. It's done inside on a sort of dyno not in the real world.

I think it s the same with the hp of engine advertised not fair to us, the buyers
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Old Mar 1, 2013 | 07:08 AM
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It is possible to se 7.8l/100km on the gauge if you cruise at 80km.

Today I drove 250km from near Melbourne to Bairnsdale, flat Highway 1. The panel showed 9.0l/100km. Then took B500 to Dinner Plain, watching the figure drop to 9.8 as we climbed the mountain.
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Old Mar 1, 2013 | 07:34 AM
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on ml350 or ml63?

I got 6.6 l / 100km by reset during cruising and watching it for 30 minutes (all cruising at 110) but if the trip includes starting and stopping, hills, traffic, wind, etc this very quickly rises so most highway trips are 9

in cities, with traffic, things are much worse. last night an hour return trip at a terrible average speed of 18kmh showed 16.5l/100km !

so the euro/aus ratings are a pipe dream fantasy

Last edited by jellies; Mar 1, 2013 at 07:55 AM.
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Old Mar 1, 2013 | 07:48 AM
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Definitely the diesel to get those figures.

Just calculated the mountain climb averaged 11.0l/100km which pleases me.
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Old Mar 1, 2013 | 02:56 PM
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Originally Posted by BlackSL
with great power comes greater gas money..
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Old Mar 14, 2013 | 07:29 PM
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came across this article today and it is an interesting read on how manufacturers are able to manipulate the EU fuel economy numbers because the EU test standards are 30 years old.

http://green.autoblog.com/2013/03/14...-by-taping-up/
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Old Mar 14, 2013 | 11:19 PM
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cheeky buggers!
of course the thing is that the tricks are going to vary the results depending on the ability of the engineers to cheat the system, and the style of the car, and the value of recording a good headline combined figure.
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