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georgejoshington
Original Poster
167 posts
31 months
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Hello chaps. Had a test drive in one of these yesterday and absolutely utterly fell in love with the thing.
The thing that makes it an actual realistic proposition for me is the cylinder deactivation thing - I'm wondering if it's just a gimmick or, if I'm cruising on the motorway I will indeed get acceptable MPG!
So, can anyone shed any light on this?
Thanks!
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undred orse
364 posts
65 months
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I've had one for about 2,000 miles.great car.
on a motorway run at about the limit 30mpg is possible.on b roads where mine does most of it's miles it drops to 21-23 but worth every penny.
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georgejoshington
Original Poster
167 posts
31 months
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undred orse said: I've had one for about 2,000 miles.great car.
on a motorway run at about the limit 30mpg is possible.on b roads where mine does most of it's miles it drops to 21-23 but worth every penny. Brilliant! I'm happy with relatively poor (although 21-23 for a 5.5ltr V8 is pretty respectable all things considered) b-road mpg but if the cylinder deactivation actually manages to have the car reach 30mpg on motorway cruises I think I shall have to get one! Cheers.
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Neilc123
196 posts
12 months
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Interesting. I get that with my SLK55 AMG and it is the old shape and I tend to drive it quite hard.
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amirzed
894 posts
45 months
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slk 32
246 posts
62 months
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I get around 16-18 mpg round town in my SLK 55- And on longer motorway runs 24-26mpg ( although this is from the trip computer so not sure how accurate this really is)
slightly less than my SLK 32 Which is still doing around 20-22 mpg around town and 28 mpg on a longer run
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Neilc123
196 posts
12 months
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On a bad day I usually average 24mpg and on a good run around 28-30mpg. Reason why I bought the slk55 over an aston martin. That - and the fact it is a hard top convertible. I didn't get the new one as I don't like the front shape, too boxy for my liking whereas I prefer the arrow shape - reminds me of Merc Silver Arrow.
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kryten22uk
1,321 posts
100 months
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Got 15.7mpg from mine so far. That said, I've only done 390 miles. Check out how long its taken me to drive that! eek.  
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Neilc123
196 posts
12 months
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Wow kryten - at that rate you might as well have got an aston martin! You must have "ragged" it.
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SFO
2,595 posts
52 months
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Neilc123 said: Wow kryten - at that rate you might as well have got an aston martin! You must have "ragged" it. no doubt it was town driving that did it //
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kryten22uk
1,321 posts
100 months
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Neilc123 said: Wow kryten - at that rate you might as well have got an aston martin! You must have "ragged" it. I thought you're being sarcastic? If not, as SFO says, low speed driving is incredibly fuel inefficient.
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Ari
7,205 posts
84 months
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Neilc123 said: Interesting. I get that with my SLK55 AMG and it is the old shape and I tend to drive it quite hard. On the trip computer or in reality..?
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Neilc123
196 posts
12 months
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In reality. For an AMG I actually find the mpg not bad considering. I must confess though I don't use it much for city driving, mainly motorways or long road. AMG cars are not really built for busy towns.
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Ari
7,205 posts
84 months
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That's superb for such a high performance car!
Agee about the open road stuff helping. I get about 31-32mpg on open road, with a best of 35 over 100 miles of A road. Use it in town though, and it's barely above 20. That's on an SLK 280 Sport auto. Seems all the pulling away kills the mpg.
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