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Will we be seeing an SLK63 AMG soon:confused:

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What we know about the upcoming M177 / M178 4.0 liter twin turbo V8 for the 2014 W/C205 C63 AMG and SLC AMG, W205 C63 Performance Package confirmed

Yes, a new 4.0 liter twin turbo V8 motor is coming from AMG as was confirmed in December last year. The internal engine code for this motor is M177 for the C63 AMG version and M178 for the motor going into the SLC AMG. This means that like the previous generation W204 C63 AMG M156 and the SLS AMG M159 necessitating different engine codes for the same base motor there will likely be hardware as well as tuning differences between the motors depending on model application.

As the SLC AMG will be a higher priced sports car designed to compete with the Porsche 991 it will likely get more power and upgraded engine internals. That is simply speculation based on AMG precedent with the previous generation M156 and M159 motors. The SLK55 AMG will likely also adopt the M177 V8 although at a later point. It is unconfirmed if the name will change to SLK63 AMG although that is likely.

It is also possible that the base SLC and C63 AMG will share the M177 V8 while the higher performance version set to go into the 911 Turbo rivaling SLC AMG S will be the M178. M177 V8 output is targeted in the 450-500 horsepower range. With the performance package option raising output of the upcoming BMW M4 to the 451 horsepower range Mercedes may raise the standard output to compete with the heavier C63 AMG as they have a 50+ horse window to play with.

The M178 is rumored to be testing in trim up to 590 horsepower. It is likely that a variety of different tunes are being tested as Mercedes continues to benchmark the car against rivals such as the Nissan GTR.

http://www.benzboost.com/content.ph...05-C63-will-have-a-performance-package-option
 

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I believe historically MB has tried to make sure that the SLK AMGs are slower that the higher end SL AMGs. So I doubt that we will see any AMG engine in the SLK that will result in a car that is faster than the SL AMGs (at least based on numbers from the manufacturer;)).
 

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And spend how much on a car that you will never be able to sell for near the expense you put into it? Plus, not be able to have it serviced at most establishments. I have been that route (on less expensive cars) and while it can be fun having a “sleeper”, in the end I could have had about as much performance by combining the cost of the car with the cost of the modification and buying another higher performance car.
 
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