If the 2007 Mercedes-Benz CLK63 AMG Black Series and 2007 BMW M6 could talk trash, things would get ugly in a hurry.

The big-bore Benz would snort something about its 465 pound-feet of grunt, the kind of power that would leave the Bimmer's flame-surfaced sheet metal in a smoldering pile on the road. The high-strung M6 would make a remark about the Benz's boy-racer fender flares, silly bodywork vents and decidedly uncivilized exhaust note.

You can imagine the slugfest that would follow, plenty of 500 horsepower bellowing through quad exhaust pipes and then R-compound rubber splattered across elegant grilles. Think of it: a total hammer-and-tongs cage match, testing these high-performance icons to their breaking point.

And that's precisely how we approached this comparison of the 2007 Mercedes-Benz CLK63 AMG Black Series and the 2007 BMW M6.

Price Wars

Sorry to end the suspense, but it shouldn't come as a surprise that the Benz wins this contest given its $136,000 price tag — nearly a $27,000 premium over the M6. Or should it?

The BMW M6 coupe and the M5 sedan have proven themselves worthy to us in the past. And this M6 came fully equipped, complete with $3,500 worth of Merino leather upholstery, BMW's $1,000 Comfort Access System, the $1,000 Head-Up Display and $1,095 HD and satellite radio. The price tag for this car comes to $109,190, as tested.

For its part, the Benz has no options. But like the M6, it comes standard with a navigation system, automatic climate control and plenty of leather upholstery. So this AMG-built hot rod is not exactly a stripped-down track-only version of the CLK. Quite the opposite, in fact. There's plenty of opulence to go with its bad attitude.


Cont....


The Easy Choice

Bottom line: The Benz wins this test, but not just because it's quicker and handles better. Nope. When you're talking about laying down this much cash, there's more to it than performance. For this kind of green we want something special. We want attitude to go with the speed, sound to go with the looks and exclusivity to justify the cost of entry.

The CLK63 AMG does it all. And it does it in a way the haughty, if capable, M6 cannot, with fat fender flares, bad attitude and plenty of brawn to back up its trash talk.

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These are no true competitiors but its a cool test anyway. If this was a regular CLK63 my choice would be M6. CLK63 BS feels more special and a sportier car so thats my choice. But the pricetag is just too much, there are other sportcars for that money I choose.
but between M6 and CLK63 BS, the benz is my choice.

Bring on the M6 CSL and my choice would probably be different.

M6 CSL is going to be the definition of what a brutal car is. I wonder if DCT will be available with this model? Would be extremely devastating machine against cars like the CLK63 Blk Ser. I'm loving how the pistol whipping segment of the automotive market is developing, from supercars to road & track cars.

That's the first time I heard a review mention that a "Benz handles better than a BMW".

The CLK Black Series looks good in red though.

To be fair with the M6, the CLK-B.S is using R-tires which the bimmer isnt using. Also the B.S are more trackoritented than the M6, the M6 is more like a GT but despite that its no pig on a track.

Black Series counterpart is BMW's CLS versions so this review isnt completly fair to the bimmer. Its like comparing a M3 CSL to a C55/CLK63.

Correct me if I am wrong, but isn't the M6 also pretty heavy?

I recall reading a pretty negative review about the M6 (maybe it was EVO) which basically complained that the car is too heavy to be a "good handler" in the sense of the M3 and M5. I believe the verdict was that the M6 is "more of a GT car than an ///M....

It weigh more than a 977TT or a Z06 but less than a CL63.
CLK63 BS isnt light either? slightly less than the M6.
Anyway, the M6 CLS will probably take care of the weight issues.

Maybe Mercedes has the "BMW formula" figured out, eh?

cool test.. the CLK deserved this win..
just look at the pics.. the battle ends right there..
but its abit unfair.. the CSL will be the real competition.. but still it wont..cause the CLK and 6er arent the same type of cars..

PS
Cant wait for the CSL..i hope they fix that sad face..

The 6 looks older than the CLK although it's the newer car,i say it needs to be facelifted soon and that falming red hot CLK BS is just the best looking compact coupe ever made IMHO