Known New Mercedes Problems
Discussion
Dog Star said:
It is hard!!! Cos I am a thickie I sometimes forget to press it and then the engine stops when I pull up. It's really irritating 
Even with start stop engaged, if you modulate / feather the brake pedal at the point where the car comes to rest, the engine will not cut out...Its dead easy and gives you full control over whether you want the engine running or not.Anyone else finding the C250CGI engine insanely thirsty? 1.8L 4 cylinder turbo and it's getting about the same fuel economy as a 5L V8.
Not sure how they managed to get the figures they got on the benchmark tests, I just cannot see how they were remotely possible? Took this picture after my drive in to work, it's a fairly clear drive going against traffic 30/40 mph roads was being careful of economy (No heavy acceleration etc)
Not sure how they managed to get the figures they got on the benchmark tests, I just cannot see how they were remotely possible? Took this picture after my drive in to work, it's a fairly clear drive going against traffic 30/40 mph roads was being careful of economy (No heavy acceleration etc)
Valkirk said:
Anyone else finding the C250CGI engine insanely thirsty? 1.8L 4 cylinder turbo and it's getting about the same fuel economy as a 5L V8.
Not sure how they managed to get the figures they got on the benchmark tests, I just cannot see how they were remotely possible? Took this picture after my drive in to work, it's a fairly clear drive going against traffic 30/40 mph roads was being careful of economy (No heavy acceleration etc)
Looking at the dash, your average speed is 23mph and you've only driven 5 miles - that equates to urban driving on a cold engine!Not sure how they managed to get the figures they got on the benchmark tests, I just cannot see how they were remotely possible? Took this picture after my drive in to work, it's a fairly clear drive going against traffic 30/40 mph roads was being careful of economy (No heavy acceleration etc)
That said, it is still poorer mpg than I'd expect. I have the same engine in a heavier E Class estate and get 30mpg over an 8 mile commute but my average speed is 30mph-35mph over a mix of motorway and a little bit of stop/start.
Console yourself with the fact you have a petrol car which sounds infinitely nicer than a 4 cylinder diesel
Aeroresh said:
I had an e200 cgi (same 1.8 engine but slightly detuned) as a hire car for a couple of weeks and that averaged 30 mpg whilst I had it. I was quite impressed apart from it sounding like a deisel!
As an E200 cgi owner I don't understand this! I'm not doubting what you claim but it must have been broken or running rough, mine is very, very quiet and even under high revs the predominent noise is high pitched turbo and transmission whine, very un-diesely. At idle it's hard to tell if the stop/start has kicked in or not, it is very hushed. If anyone elses cgi engine sounds like a diesel I'd recommend you take it back to your dealer! At the risk of sounding like I'm picking a fight, my neighbour has an ML350 cdi which I assume has the same engine as your very nice E350cdi (which according to your profile doesn't sound like a diesel), it sounds like a truck in the ML!
Anyway, 30mog is exactly what I get in it irrespective of how I drive it, which I think is pretty good for a ridiculously heavy automatic car.
Valkirk said:
Well looking forward to a proper motorway run this weekend - currently the car is sitting around the 25mpg mark, really hoping to get high 30's on the M'way!!!
What did you drive before, and was it an auto?I'm more used to discussions about the diesels (I have a C270CDi auto) but your commute MPG is less than I would have expected, especially if there were few actual stops on the journey.
Drove a Lexus IS-F before, the car got 34-35mpg on a 100 mile run with 90% A road / motorway. Considering I got 28-30mpg in the IS-F it's very poor, think it's outrageous that they haven't forced a change of the official mpg test conditions yet. Hoping once it does a few more miles it might nudge up to the high 30's on a long run. Had been hoping for 40mpg+ on a motorway cruise.
Was also shocked to see this: (Taken from article here: http://www.autocar.co.uk/car-news/industry/new-fue...
At no time in the test is the car required to cruise at or near the motorway speed limit, operate with the air conditioning on or go around a corner. It is also peppered with loopholes allowing manufacturers to use gear ratios, tyre compounds, throttle maps and all sorts of other tricks to optimise their cars for the test, but not for use by the general public.
Changing throttle maps and gear ratios?! I would have thought at least it would have to be a stock car for the test?!
Was also shocked to see this: (Taken from article here: http://www.autocar.co.uk/car-news/industry/new-fue...
At no time in the test is the car required to cruise at or near the motorway speed limit, operate with the air conditioning on or go around a corner. It is also peppered with loopholes allowing manufacturers to use gear ratios, tyre compounds, throttle maps and all sorts of other tricks to optimise their cars for the test, but not for use by the general public.
Changing throttle maps and gear ratios?! I would have thought at least it would have to be a stock car for the test?!
yellowbentines said:
As an E200 cgi owner I don't understand this! I'm not doubting what you claim but it must have been broken or running rough, mine is very, very quiet and even under high revs the predominent noise is high pitched turbo and transmission whine, very un-diesely. At idle it's hard to tell if the stop/start has kicked in or not, it is very hushed. If anyone elses cgi engine sounds like a diesel I'd recommend you take it back to your dealer!
At the risk of sounding like I'm picking a fight, my neighbour has an ML350 cdi which I assume has the same engine as your very nice E350cdi (which according to your profile doesn't sound like a diesel), it sounds like a truck in the ML!
Anyway, 30mog is exactly what I get in it irrespective of how I drive it, which I think is pretty good for a ridiculously heavy automatic car.
From inside the car I grant you the 200 is quiet but its still got a gruff edge to it which sounds exactly like the dampened down deisel noise which the merc 6cyl and 8 cyl also seem to have.At the risk of sounding like I'm picking a fight, my neighbour has an ML350 cdi which I assume has the same engine as your very nice E350cdi (which according to your profile doesn't sound like a diesel), it sounds like a truck in the ML!
Anyway, 30mog is exactly what I get in it irrespective of how I drive it, which I think is pretty good for a ridiculously heavy automatic car.
I would also challenge you to tell that you are actually inside a derv car as the latest 6 cyl cdis are pretty much silent (think of the 200 and then some). Even when working hard and it just sounds like a muffled multi-cylinder engine. Having said that it still sounds like a sewing machine at idle from the outside, although I'll forgive it that for averaging an easy 40mpg....Not bad for a 313hp barge
Valkirk said:
Was also shocked to see this: (Taken from article here: http://www.autocar.co.uk/car-news/industry/new-fue...
At no time in the test is the car required to cruise at or near the motorway speed limit, operate with the air conditioning on or go around a corner. It is also peppered with loopholes allowing manufacturers to use gear ratios, tyre compounds, throttle maps and all sorts of other tricks to optimise their cars for the test, but not for use by the general public.
Changing throttle maps and gear ratios?! I would have thought at least it would have to be a stock car for the test?!
Well, just because Autocar say that it doesn't mean its true At no time in the test is the car required to cruise at or near the motorway speed limit, operate with the air conditioning on or go around a corner. It is also peppered with loopholes allowing manufacturers to use gear ratios, tyre compounds, throttle maps and all sorts of other tricks to optimise their cars for the test, but not for use by the general public.
Changing throttle maps and gear ratios?! I would have thought at least it would have to be a stock car for the test?!
MURRAY007 said:
Just a quick note, ref the MPG everyone is getting,
just to let you know that all Mercedes are tested in a Windtunnel at 20mph for MPG,
Yes they do it in a wind tunnel, but they have to vary the speeds and do 2 different tests:just to let you know that all Mercedes are tested in a Windtunnel at 20mph for MPG,
WHAT THE NEDC TEST INVOLVES
• Conducted in a laboratory at 20-30 deg C on a flat rolling road
• No vehicle pre-warming allowed
• An electrical machine simulates wind resistance and vehicle inertia
• Air-conditioning compressor, fan, lights, radio and other electrical equipment switched off
• The urban test involves accelerating and slowing down several times, steady speeds and engine idling. It covers 2.5 miles at an average speed of 9mph and a maximum of 31mph
• The extra-urban test involves 50 per cent steady-speed driving plus some acceleration and slowing down and engine idling. It covers 4.3 miles at an average speed of 39mph and a maximum of 75mph
• The official combined figure is an average resulting from the urban and extra-urban tests, weighted by the distances covered
Either way its never going to sumulate real world driving
Continuing the earlier injector theme - my W212 E220 SE 10 plate suffered one of the original injector failures 6 months into ownership on the way home from the dealership having had new ones fitted post the original factory recall! All fixed and circa 50K miles later the **** thing failed again last week and just had a new set put in, so it obviously remains an issue. Fingers crossed for my last 3 months before it goes back to Mercedes! The loan E250 12 plate with auto lights, ECO & 7 speed box was 'interesting' & probably could have got used to it - but this experience has put me off Mercedes for a (long) while.
GTIR said:
Oh, me sir I've got one!
From start you can't select 3rd gear, for when you get stuck in snow, inly when you're already in a higher gear can you then come down. Which is pointless.
My W211 can.
Are you sure it's in 3rd and not just saying 3rd on the display? From start you can't select 3rd gear, for when you get stuck in snow, inly when you're already in a higher gear can you then come down. Which is pointless.
My W211 can.
On my W203 270CDi selecting 3rd would just limit the gearbox to only using the first 3 gears (starting, as normal, in 1st if in S mode and 2nd if in C mode). Perhaps most bizarely, it'll still change up to 4th anyway once it gets to about 4500 RPM.
Deva Link said:
GTIR said:
Oh, me sir I've got one!
From start you can't select 3rd gear, for when you get stuck in snow, inly when you're already in a higher gear can you then come down. Which is pointless.
My W211 can.
Are you sure it's in 3rd and not just saying 3rd on the display? From start you can't select 3rd gear, for when you get stuck in snow, inly when you're already in a higher gear can you then come down. Which is pointless.
My W211 can.
On my W203 270CDi selecting 3rd would just limit the gearbox to only using the first 3 gears (starting, as normal, in 1st if in S mode and 2nd if in C mode). Perhaps most bizarely, it'll still change up to 4th anyway once it gets to about 4500 RPM.
I'm surprised that it's this way seeing as they're quite winter wise over in Germany.
Oh and another thing. Why can't be have 4Matic e classes in RHD?
I heard it was because the transmission fouls the steering column.
Rubbish.
GTIR said:
Quite sure.
I'm surprised that it's this way seeing as they're quite winter wise over in Germany.
Oh and another thing. Why can't be have 4Matic e classes in RHD?
I heard it was because the transmission fouls the steering column.
Rubbish.
In the Fatherland they almsot all fit winter tyres, so they can use whatever gear they like.I'm surprised that it's this way seeing as they're quite winter wise over in Germany.
Oh and another thing. Why can't be have 4Matic e classes in RHD?
I heard it was because the transmission fouls the steering column.
Rubbish.
We don't get 4Matic because the market won't buy it. Look at what sells in Britain: smallest diesel engine, blingest spec. It's all about having the most aggressive-looking, in yer face car possible over here: you can't see 4Matic like you can see big rims.
r129sl said:
We don't get 4Matic because the market won't buy it. .
I would.Audi sell plenty of Quattro versions of the A4 and A6, and BMW are launching 'x' versions of the new 3 series so they obviously feel there's a market.
With no 4matic cars and no GLK in the UK, Merc risk losing out on a huge market share with no 4wd offerings for those that don't want an unwieldy ML or GL.
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