In Canadian FE tests, the CVT loses the B 200 petrol 0.5 L/100 km on the highway and they're even in the city. So it's not a huge difference but it is 42.13 MPG versus 39.2 MPG for the CVT.
In my 200 km test loop, the CVT consistently drank 1 L/100 km more than the manual, according to the car's OBC.
The CDN FE tests were done by Mercedes-Benz too, to Transport Canada protocols, and BTW they are done on a dynamometer, not a test track. Actually, the origin of fuel "official" economy figures in the 1970s was a by-product of the emissions testing, also of course done on the dyno.
Can't see why that explains the different figures then & why they are posting the "better" ones on their European website are we saying here that Mercedes are lying to us.
No-one is lying. The test protocols are different. The driving cycles are very specific under EC and TC rules, and obviously quite different. If you really wanted to understand how they differ, I'm sure google could help out.
Looks to me like in an international (car) market we could do with some standardisation with our benchmarks.
However it's all arbitary anyway because as soon as we add some tools in the boot or let the tyre pressures drop or use the air con these manufacturers and other agencies consumption figures all go to pot.
Not for Mike and myself! Together we have gridlocked a nation!!
With Mike in the west and myself in the east and consistently driving at a max speed of 85 kph, we've shut down the whole nation.
Yes we get great fuel economy but at what a cost for everyone else.
We apologize to everyone but right now we're not willing to change.
Okay, to add another question to the MPG equasion.
What about those metal fuel cyclone parts that can be added to the fuel delivery system? Do they really improve efficiency and MPG? I have seen them on ebay when I search the AU site for B Class. When I search fuel efficiency on AU Google a fuel saver site come up which also sells them.
I have actually put this question to a relative of mine who is a rally car driver in his spare time. I would be nervous to add one to my B, but would certainly try it in my 4WD.
I would say "Do not modify your fuel system".
I'm not at all familiar with this cyclone mod but many other promise great fuel savings and none really deliver and most will cause costly problems when driving in the real world.
What about warranty considerations. You might void it by modifying the engine.
Derek
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