W211 AMG Discuss the W211 AMG's such as the E55 and the E63

S55 vs E55

Old Feb 3, 2014 | 08:31 PM
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S55 vs E55

Now I'm not trying to get everyone driving an E55 to get all fired up... but why are the S55s faster than the E55s? Is the gearing or something different? I have raced alot of E55s with my S55 and although sometimes very close I always win. You would think because the S is bigger it would be slower? Obviously I'm not talking about heavily modified cars here. I do have a SC Pulley and tune but I'm sure some of the other cars did too. Just wondering if there is a difference and other drivers have the same results. Again, this is not a challenge to all the E drivers to say where you at lets race...lol
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Old Feb 3, 2014 | 08:55 PM
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More often then not these cars are kept stock. How can you really just assume one of them was modded? It's no surprise to see an S55 with an Ecu/pulley beat a stock E55. The combo wakes up the 55ks a bit. I'm pretty sure an equally modded E55 would win.
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Old Feb 3, 2014 | 09:59 PM
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Stock per stock , I would think that E would win since it's lighter but S55 has more hp stock but still not enough to offset the weight.

Maybe someone can correct me but that's where the difference is.
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Old Feb 3, 2014 | 10:08 PM
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Originally Posted by viren.89
Stock per stock , I would think that E would win since it's lighter but S55 has more hp stock but still not enough to offset the weight.

Maybe someone can correct me but that's where the difference is.
Wait you really believe the S55 has more hp
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Old Feb 3, 2014 | 10:10 PM
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As i know; S55 got "493hp" with (368kw) while E55 got "469hp" with (350kw),

what's the differ thing in S55 that give it (24hp) more than E55.....?!?!?!

ZAYED,,
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Old Feb 3, 2014 | 10:36 PM
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Originally Posted by cm60k
As i know; S55 got "493hp" with (368kw) while E55 got "469hp" with (350kw),

what's the differ thing in S55 that give it (24hp) more than E55.....?!?!?!

ZAYED,,
Probably rated it more (as most companies do) due to the fact that the S class and SL class 55k were more expensive MSRP than the E55. I could be wrong though. Good selling point for a more expensive car..
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Old Feb 3, 2014 | 10:40 PM
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No, it was the same result before I added the pulley and tuned. Some of the other E55s had modified exhaust. I've seen aftermarket radiators on a couple of occasions. I have even asked other S55 drivers and they say the same thing... The S55 is faster. It's been my experience that is in fact true. Maybe there is something to the rated 469 vs 496 on the S55. I just wondered what it was because they are supposed to be the same engine.
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Old Feb 3, 2014 | 10:40 PM
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Originally Posted by cm60k
As i know; S55 got "493hp" with (368kw) while E55 got "469hp" with (350kw),

what's the differ thing in S55 that give it (24hp) more than E55.....?!?!?!

ZAYED,,
Yes, I too have wondered why all the cars with 55k engines seem to have different HP raitings. The E55 is the lowest at "469" (but curiously the fastest), and the SL is the highest with "510"? I know the exhausts are different and one or two other minor things, but that surely cant account for the 40hp difference?

Or is it all just bull**** and they really are the same?
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Old Feb 3, 2014 | 10:52 PM
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I believe the difference of 24hp comes from the TB, the E55 I think stock has a 78 vs the S55 80mm. Ak, I think he's right on this one the S55, along with the SL/CL 55k come rated at 493.
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Old Feb 3, 2014 | 11:10 PM
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It was a marketing ploy to sell more of the higher priced cars (s, cl, sl). It's the same engine, the only difference really being the s class got a slightly bigger intake tube and the sl got a slightly bigger tb. If you really want to see if there is a difference then the dyno would be the place.
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Old Feb 3, 2014 | 11:12 PM
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S55 using the same TB, i think the reason with S55 Engine,,

S55N/A with 113.986 has "355hp" with (265kw), while all other N/**** got "349hp" with (260kw),

not sure why S55N/A got more hp than all M113 families....?!!?

ZAYED,,
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Old Feb 3, 2014 | 11:18 PM
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Originally Posted by HIGHLANDER S-55
Now I'm not trying to get everyone driving an E55 to get all fired up... but why are the S55s faster than the E55s? Is the gearing or something different? I have raced alot of E55s with my S55 and although sometimes very close I always win. You would think because the S is bigger it would be slower? Obviously I'm not talking about heavily modified cars here. I do have a SC Pulley and tune but I'm sure some of the other cars did too. Just wondering if there is a difference and other drivers have the same results. Again, this is not a challenge to all the E drivers to say where you at lets race...lol
Why not run your car at the track so you have some accurate time slips to compare with the E55?
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Old Feb 3, 2014 | 11:23 PM
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Originally Posted by AKnight55
It was a marketing ploy to sell more of the higher priced cars (s, cl, sl). It's the same engine, the only difference really being the s class got a slightly bigger intake tube and the sl got a slightly bigger tb. If you really want to see if there is a difference then the dyno would be the place.
+1
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Old Feb 3, 2014 | 11:34 PM
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From: A.D., U.A.E
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Originally Posted by AKnight55
the only difference really being the s class got a slightly bigger intake tube.
That's a good point,

S55 intake tubes has bigger in dia or length..?, is that means S55 lets more air flows more than E55.....??

ZAYED,,
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Old Feb 3, 2014 | 11:39 PM
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I didnt know about the intake tube and tb... I guess those two things can make quite a big difference. I still wonder if the diference could also be in the gearing? Although, it pulls em off the line, from a roll and starting at hwy speeds.
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Old Feb 3, 2014 | 11:43 PM
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From: A.D., U.A.E
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Originally Posted by HIGHLANDER S-55
I didnt know about the intake tube and tb... I guess those two things can make quite a big difference. I still wonder if the diference could also be in the gearing? Although, it pulls em off the line, from a roll and starting at hwy speeds.
TB is the same with E55, and also gearing is the same, but i wonder about the intake tubes,

i don't get any idea how big that S55 tube comparing to E55's....??

ZAYED,,
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Old Feb 3, 2014 | 11:58 PM
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This place is a joke.
S55 has a 2.82 axle ratio compared to the E55's 2.65, although the S runs a slightly taller tire. Also from a dig, maybe the S class' heavier weight gives a traction advantage. I haven't looked for data on the S55 trans ratio vs E55 either.
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Old Feb 4, 2014 | 12:05 AM
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Originally Posted by E55Greasemonkey
S55 has a 2.82 axle ratio compared to the E55's 2.65, although the S runs a slightly taller tire. Also from a dig, maybe the S class' heavier weight gives a traction advantage. I haven't looked for data on the S55 trans ratio vs E55 either.

Excellent input, that makes sense, missed the drivetrain EFFECT.....

ZAYED,,
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Old Feb 4, 2014 | 12:10 AM
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Wow, you guys over here on the E55 forum are some real car guys for sure... I have an "S" so never came over here until someone suggested bringing the queston here. Thanks for all the input and good info!!!
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Old Feb 4, 2014 | 12:13 AM
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This place is a joke.
Originally Posted by HIGHLANDER S-55
Wow, you guys over here on the E55 forum are some real car guys for sure... I have an "S" so never came over here until someone suggested bringing the queston here. Thanks for all the input and good info!!!
I work on them for a living

..And welcome to the MB drag racers forum haha
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Old Feb 4, 2014 | 12:16 AM
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This doesn't mean much but the quickest stock S55 on drag times is listed at 12.4@114
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Old Feb 4, 2014 | 12:16 AM
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>>>>>>>>>>>>>>>>>

ZAYED,,
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Old Feb 4, 2014 | 10:09 AM
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This place is a joke.
The S55 also has a larger heat exchanger, like a mini-radiator vs the E55 small unit under the bumper, not sure what difference that makes.
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Old Feb 4, 2014 | 02:46 PM
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I don't know where all this is coming from but the E55 is the fastest they made in those years. Look up stock times on the web and it is clearly faster. S55- 4.6 sec. 0-60 times and 13.4 sec 1/4 mile times.


E55 the highest I found was 4.4 sec 0-60 and found as low as 12.4 sec 1/4 mile times! Most were around 12.8 but a far cry from 13.40's that the S claims!


Most E class and S class cars are stock so yours having a pulley and tune is adding what? 60rwhp or so...that's enough! Run a pulley and tune E55 and see how that goes. I don't know where you are located but there are a few of those examples here in NY that love to run all the time. I am sure that you can find a guy from this forum where ever you live. I am sure that we would all love to see the results...it's interesting and cool to see a pulley, tuned S class!
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Old Feb 4, 2014 | 02:55 PM
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I wasn't going to say anything but I think Nomad said it well.
Stock S vs Stock E = E Wins
(Mod for Mod) On a S, and E = E Wins

I think you've run up against stock E's? The S has a very nice ride and good for you to have modded an S.
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