(W140) S280 Vs. S320 Fuel Consumption! - Mercedes-Benz Forum
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#1 (permalink) Old 03-10-2009, 05:20 PM
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Post (W140) S280 Vs. S320 Fuel Consumption!

Hi, whats the average MPG (city drive) on the S280 and the S320?

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Originally Posted by Stryker-1999 S600 View Post
the comparison between a V8 and a V12 isn't a decision, it's an opportunity.
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#2 (permalink) Old 03-10-2009, 09:19 PM
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I'm about to hit over 500 miles per tank (s320),mixed city and hwy. driving on Chevron premium.
Someone mention that the fuel economy gauge is useless,
for me it's more like an indicator of the quality of the fuel - 70-80 mph should be 30 mpg.
P.S. Never try to test your fuel economy by running out of fuel ,you never know what's on the bottom of your tank.

Don't assume ..... ,But know...
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#3 (permalink) Old 03-11-2009, 12:41 AM
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Not a great deal in it to be honest. I was getting 32mpg in the s280 driving sensibly and around 30mpg in both my s320's. Or to put in miles/tank - 600 in the s280, 550 in the s320. On saying that, my s280 was a 4-speed auto, whereas both the s320's were 5's. Might make a slight difference.

S320 is definitely a better engine though - you can certainly feel the power difference.
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#4 (permalink) Old 03-11-2009, 05:31 AM
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Quote:
Originally Posted by symbolic95 View Post
I'm about to hit over 500 miles per tank (s320),mixed city and hwy. driving on Chevron premium.
Someone mention that the fuel economy gauge is useless,
for me it's more like an indicator of the quality of the fuel - 70-80 mph should be 30 mpg.
P.S. Never try to test your fuel economy by running out of fuel ,you never know what's on the bottom of your tank.
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Originally Posted by ScrapingScrap View Post
Not a great deal in it to be honest. I was getting 32mpg in the s280 driving sensibly and around 30mpg in both my s320's. Or to put in miles/tank - 600 in the s280, 550 in the s320. On saying that, my s280 was a 4-speed auto, whereas both the s320's were 5's. Might make a slight difference.

S320 is definitely a better engine though - you can certainly feel the power difference.
Alrighty, thanks for the replies guys, How much will a full tank cost (how many litres can it hold) for both the S280 and the S280?

Thanks

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Originally Posted by Stryker-1999 S600 View Post
the comparison between a V8 and a V12 isn't a decision, it's an opportunity.

Last edited by Zonet; 03-11-2009 at 05:46 AM.
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#5 (permalink) Old 03-11-2009, 08:42 AM
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All s-classes have the same size fuel tank capacity at 100 litres.

Regular unleaded is about 90p/litre at the moment in the UK, so £90 for a tank full. Scary huh?!
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#6 (permalink) Old 03-11-2009, 08:57 AM
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Originally Posted by ScrapingScrap View Post
All s-classes have the same size fuel tank capacity at 100 litres.

Regular unleaded is about 90p/litre at the moment in the UK, so £90 for a tank full. Scary huh?!
Hmm, well let’s say its "95" litres for the sake of it, if a full tank of unleaded can go on average 450-500 miles; I say that’s pretty good... I guess. (For a 3.2litre.)

I mean, my friend owns a 2003 Polo 1.0litre, and I must admit, he filled up £32 of unleaded (full tank is 35 litres I think) and it took us from London - Standsted Airport back to London, and back to standsted airport and BACK to London again, then drove all the way to Maidstone from London, and then back again and the gage wasn't even close to the red mark.

So comparing the 2 in my head, sucks! And the bad thing is, in Turkey unleaded fuel is priced at around £1.19 a litre. (Where I will be moving soon.)

I mean, let’s put it in your perspective, how much do you fill up weekly and how far does it take you? Do you need to fill up at the end of the week? Or will it still go on?

Appreciate the feedback
-Zonet.

Quote:
Originally Posted by Stryker-1999 S600 View Post
the comparison between a V8 and a V12 isn't a decision, it's an opportunity.
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#7 (permalink) Old 03-11-2009, 09:27 AM
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Well, I've just worked it out. If you can do 500 miles per full fill up (100 litres) that means the S320 should average around 20-22mpg in the city. Correct me if I'm wrong?

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Originally Posted by Stryker-1999 S600 View Post
the comparison between a V8 and a V12 isn't a decision, it's an opportunity.
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#8 (permalink) Old 03-12-2009, 10:45 AM
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^^ Right?

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Originally Posted by Stryker-1999 S600 View Post
the comparison between a V8 and a V12 isn't a decision, it's an opportunity.
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#9 (permalink) Old 03-12-2009, 01:22 PM
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Quote:
Originally Posted by Zonet View Post
Hmm, well let’s say its "95" litres for the sake of it, if a full tank of unleaded can go on average 450-500 miles; I say that’s pretty good... I guess. (For a 3.2litre.)

I mean, my friend owns a 2003 Polo 1.0litre, and I must admit, he filled up £32 of unleaded (full tank is 35 litres I think) and it took us from London - Standsted Airport back to London, and back to standsted airport and BACK to London again, then drove all the way to Maidstone from London, and then back again and the gage wasn't even close to the red mark.

So comparing the 2 in my head, sucks! And the bad thing is, in Turkey unleaded fuel is priced at around £1.19 a litre. (Where I will be moving soon.)

I mean, let’s put it in your perspective, how much do you fill up weekly and how far does it take you? Do you need to fill up at the end of the week? Or will it still go on?

Appreciate the feedback
-Zonet.
Well in the mean time ask yourself how much driving you'll be doing with such a large car in London anyway? I'd make sure you have parktronic and are good at parallel parking.

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#10 (permalink) Old 03-12-2009, 08:32 PM
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Quote:
Originally Posted by ScrapingScrap View Post
All s-classes have the same size fuel tank capacity at 100 litres.
Not true, if the car is equipped either with the ski sack option or the rear armrest refrigerator, the tank full capacity would be 90 liters instead of 100.

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S 500 L, 1998
E 320 T, 1995
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