CLK55 AMG, CLK63 AMG (W208, W209) 2000 - 2010 (Two Generations)

Video: E46 M3 VS Brabus CLK 5.8 Compressor

Old May 29, 2004 | 05:56 PM
  #1  
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Video: E46 M3 VS Brabus CLK 5.8 Compressor

I think you will like the video.

Stock M3 vs Supercharged (Kleeman) Brabus CLK 5.8 (620HP)

http://www.m3life.com/data/m3_vs_brabus.avi
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Old May 29, 2004 | 06:26 PM
  #2  
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'79 300D, '85 300Dt, '99 CLK430
Either the CLK driver cant drag, or m3 is not stock and dam leet. How can a "stock" m3 stay so close to a 620hp CLK? I smell
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Old May 29, 2004 | 07:57 PM
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CLS55 AMG
620? Seems a bit high, unless CLK's traction control was on:

Originally posted by 999hpCLK
Either the CLK driver cant drag, or m3 is not stock and dam leet. How can a "stock" m3 stay so close to a 620hp CLK? I smell
Actually, the CLK beat the M3 by about one full second, and the gap was growing larger as speed increased.

An E46 M3 runs low (early tests) to mid (more-realistic newer tests) 13's in the 1/4, and weighs 3450 pounds with a weight/horsepower rating of 3450/333 horsepower = 10.36 pounds/horsepower.

A stock W208 CLK55 ragtop comes in at 3,845 pounds (per mbusa), and ran a 13.74@104.44 in Motor Trend, 13.7@106 at Motorweek. Horsepower/weight rating is 3,845/349 = 11 pounds per horsepower.

If you time the separation as the cars go by, it's about one second. To gain 1/10 in the 1/4 mile, you need about 10 horsepower. Adding a supercharger would be a few hundred pounds, so that CLK should weigh in at about 4050 pounds. Assuming for the sake of argument best case, i.e. that the M3 driver was a fabulous driver who could duplicate the times in the mags, we'll say that he ran a 13.3, which would mean that the CLK ran around a 12.3. To gain 1.4 seconds over stock with an added 200 pounds, he'd need 160 horsepower (the addition of 200 pounds from supercharger would be equivalent of losing 20).

Which would mean that he's pushing more like 510, not 620, *unless* he was using traction control:

If you watch the launch, given the fact that the Benz left the line with relatively little wheelspin, it is entirely conceivable that he left his traction control on (I would, with that much power; it's hard enough to get it off the line without tons of spin *stock*!). This could easily cost 1/2 second, which would put him closer to 570...

So, it's possible that he was pushing in the upper 500's with traction control. I doubt a full 620, though, particularly when most drivers aren't good enough to hit the mags' times...

Last edited by Improviz; May 30, 2004 at 01:26 AM.
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Old May 29, 2004 | 07:59 PM
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hey i applaud you improviz. Most people simply take magasine reports as numbers but you actualy use a bit of physics and math to figure out what a could should or should not be running. Excelent write up as always.
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Old May 30, 2004 | 03:43 AM
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That's not bad for a stock vert.

Last edited by 55 ON IT; May 30, 2004 at 01:52 PM.
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Old May 30, 2004 | 03:46 AM
  #6  
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Who was doing that annoying shrill near the end of the video?!
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Old May 30, 2004 | 03:56 AM
  #7  
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I think that the driver was clumsy in this vid. I have to understand that that by enlarging the engine size and putting a compressor has to add lots of weight to the car. I wish I could have the spec for the CLK. Well.. it's almost shame on CLK if it is moded up to 620hp and M3 is a stock car..
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Old May 30, 2004 | 04:55 AM
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There is no way that is a 620hp Kompressor. I have run mid low 13 sec cars running a flat 12 and you pull on them from the launch as if they are standing still.

Here is a 12.2 vs 13.5 run at Calder drags with my car at around 560hp

http://www.ipn.com.au/mbworld/1.mpg
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Old May 30, 2004 | 09:40 AM
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Here's a daytime pic of the two:

http://www.m3life.com/details.php?image_id=18
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Old May 30, 2004 | 09:57 AM
  #10  
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Originally posted by RyanDe680
Here's a daytime pic of the two:

http://www.m3life.com/details.php?image_id=18

Anyone know where to get that grille thats on that MB?
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Old May 30, 2004 | 02:50 PM
  #11  
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Yeah, that's much more like what I'd expect to see.

And hell, this is with a car that's several hundred pounds heavier than a CLK55 cab w/kompressor would be, and 60 hp less than the supposed Brabus Kompressor supposedly had....

Originally posted by stephens
There is no way that is a 620hp Kompressor. I have run mid low 13 sec cars running a flat 12 and you pull on them from the launch as if they are standing still.

Here is a 12.2 vs 13.5 run at Calder drags with my car at around 560hp

http://www.ipn.com.au/mbworld/1.mpg
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Old May 31, 2004 | 01:22 PM
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Question Would a supercharger really add 200 lbs!?!

I can't imagine that it would weigh that much. The majority of the weight is with the compressor itself, being that most intercoolers are made from aluminum and are relatively light. An air-to-water intercooler would weigh more due to the additional fluid. While I've never picked up a supercharger, I've seen people do it, and it didn't look like they were struggling with it. I would have thought that adding a supercharger would add maybe 75 lbs at the MOST, but I could be wrong...

Adding displacement barely makes a difference in weight, and an engine can even be slightly (read very slightly) lighter. If the displacement increase is done with a larger bore, that requires aftermarket pistons. Most aftermarket pistons are a higher quality forged piston that is usually lighter than the stock pistons even if they are a couple millimeters larger. Also, when you increase the bore, you are removing material from the block, and that's more material taken away than you are adding from the piston.

If the displacement increase is from utilizing a longer stroke, the same can be true. A longer stroke requires an aftermarket crankshaft and piston connecting rods, and once again, the aftermarket items are almost always higher quality, lighter pieces...

Even if all of the above were NOT true, you're still only talking about ounces, and not pounds...



Best regards,
Matt
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Old May 31, 2004 | 10:37 PM
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Not just the supercharger...intercooler (I assume it's intercooled) and

associated hardware add weight; if it's a water intercooler, for example, the water will also add weight, etc... Look at the difference between the E55k and the E500, which use the same basic block: almost 400 pounds. Part of this is due to strengthened driveline, but from what I've read, adding superchargers & hardware add 150-200 pounds.
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Old Jun 3, 2004 | 05:33 AM
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i can hear the video, but cant see it!

i really need to see this to believe my eyes!
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Old Jun 3, 2004 | 08:40 PM
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Did you hear that CLK
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Old Jun 4, 2004 | 12:28 AM
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To see that they put a nasty kleemann kompressor on a beautiful 5.8 V8 brabus engine makes me sick.
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Old Jun 4, 2004 | 10:38 AM
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Originally posted by Paul Le Corre
To see that they put a nasty kleemann kompressor on a beautiful 5.8 V8 brabus engine makes me sick.
The opposite holds true for me
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Old Jun 4, 2004 | 04:56 PM
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Xpost: posted a follow-up to this in the C32/C55 forum....

...yup, that's right: the Bimmer guys are trolling over there too...I guess they'd rather be here, trolling Internet forums, than out driving their "vastly superior ultimate driving machines"...



Anyway, this is my reply:
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Old Jun 4, 2004 | 05:42 PM
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Originally posted by Ahmed
i can hear the video, but cant see it!

i really need to see this to believe my eyes!
I can't see it either? Anybody know why?
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Old Jun 4, 2004 | 06:12 PM
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Originally posted by JamE55
I can't see it either? Anybody know why?
Maybe you guys need the divx or ffdshow codec, do a google search for them if you don't have em.
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Old Jun 5, 2004 | 03:41 AM
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Originally posted by Paul Le Corre
To see that they put a nasty kleemann kompressor on a beautiful 5.8 V8 brabus engine makes me sick.
Nasty???


I have a CLK43K Cab. with Brabus B10 package, I am willing to do a straight line race on video with a StocK M3.

Last edited by SLVRBLT43K; Jun 5, 2004 at 03:56 AM.
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Old Jun 5, 2004 | 07:41 PM
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SLVRBLT43K, can one hear the supercharger on your car from outside it?

Because one certainly can't hear any supercharger noise in that video!

This thing looks more like the longer I look at it...that Benz almost certainly wasn't stock, but I doubt seriously that it was supercharged; if it was, it was well under 600 horsepower.

Originally posted by SLVRBLT43K
Nasty???


I have a CLK43K Cab. with Brabus B10 package, I am willing to do a straight line race on video with a StocK M3.
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Old Jun 5, 2004 | 10:50 PM
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Re: SLVRBLT43K, can one hear the supercharger on your car from outside it?

Originally posted by Improviz
Because one certainly can't hear any supercharger noise in that video!

This thing looks more like the longer I look at it...that Benz almost certainly wasn't stock, but I doubt seriously that it was supercharged; if it was, it was well under 600 horsepower.
You can hear the sound on my car. No matter what was on that video I would like to make a new one!!!
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Old Jun 6, 2004 | 01:49 AM
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I currently own an 03 209 CLK55...

And my previous car was an 02 BMW M3, and stock versus stock, these two cars are remarkably similar in regards to acceleration performance. From a dead stop, I'd have to say that the M3 has a slight advantage, due I'm sure, to it's "M-lock" electronic limited slip differential. From a roll-on, my CLK seems to be slightly quicker, albeit slightly...

The point of the matter is that I just cannot believe that a supercharged 5.8 liter CLK would barely walk a stock M3. That margin was barely more than a stock CLK55 would pull on a stock M3. That CLK was not putting out 620 hp. There's just no way. Have you seen the Brabus SV (640 hp SL600) versus the RUF 911 turbo? Anyone that has will see what over 600 hp will do, as the SV absolutely destroyed the RUF off the line, and just about held even until it hit its 186 mph maximum speed. So there is NO way a car with similar weight and horsepower would BARELY walk a stock, 333 hp, 254 lb/ft M3. There's just no way...


Best regards,
Matt
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Old Jun 6, 2004 | 03:53 AM
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Re: I currently own an 03 209 CLK55...

Originally posted by AMG///Merc
And my previous car was an 02 BMW M3, and stock versus stock, these two cars are remarkably similar in regards to acceleration performance. From a dead stop, I'd have to say that the M3 has a slight advantage, due I'm sure, to it's "M-lock" electronic limited slip differential. From a roll-on, my CLK seems to be slightly quicker, albeit slightly...

The point of the matter is that I just cannot believe that a supercharged 5.8 liter CLK would barely walk a stock M3. That margin was barely more than a stock CLK55 would pull on a stock M3. That CLK was not putting out 620 hp. There's just no way. Have you seen the Brabus SV (640 hp SL600) versus the RUF 911 turbo? Anyone that has will see what over 600 hp will do, as the SV absolutely destroyed the RUF off the line, and just about held even until it hit its 186 mph maximum speed. So there is NO way a car with similar weight and horsepower would BARELY walk a stock, 333 hp, 254 lb/ft M3. There's just no way...


Best regards,
Matt


Perfect!
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