Join Date: Aug 2016
Vehicle: 2012 Black AMG55
Other Toys: 1930 Rumely 6 pulling tractor, Swift Formula, Crossle Formula, Malibu Skier, 28 Dodge
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Leon, great question.
My car does have the P30 performance package. I don't believe that package includes any variable change to the suspension, through the CSM button or otherwise.
I love driving the car at high performance levels, and have taken it to my favorite local Road Race Track, and thoroughly enjoy the experience. I especially enjoy the transmission in the sport mode with traction control in sport or off mode. It is surprisingly intuitive, especially with aggressive downshifting well threshold braking, and always amazingly has the correct gear at turn in for the corner.
Actually I find the car incredibly harsh and rough riding for extended periods of time or even short jaunts, with the sport package, and the 19-inch Wheels. Not sure if it's the suspension tuning, the tire fitment, or the combination of everything, but the car is just too harsh for appreciable Comfort level on roads, especially ones that are not so smooth and have the typical payment break seams that are large.
My guess is that for improved body roll and control, the shocks and struts have an excessive amount of rebound dialed into the factory P30 settings. Great handling, very happy with it on track, but neck jarring on my local commute. That's the real reason I'm going to the DDC KW package. Wanting to be able to have the ability to soften the shocks struts excessively, for Comfort, the wife is also, since she's less tolerant than me. With the capability to dial it back to sport+ mode and more importantly yet having the capability to individually dial my own shock strut damping settings, on the fly, Without crawling under the car. I have a race car that I tune with 4-way shocks Springs & swaybars etc Etc, this is just the fun car, don't want to work on it too hard so a push of the button or a transmit from the Android phone and I'm hoping for a much better Comfort ride, without losing any control when I want hiperf handling.
Also the KW recommended ride height settings appear to be about three quarters of an inch lower, which I think will look about right, surprisingly this SLK 55 sits higher than my stock naturally aspirated Pontiac Solstice, which I sold to get this SLK.
Good comment on SS lines judge, I'm adding that to my list, along with a powder coat of the calipers, to what I think is a more appropriate color instead of the yellow they are now. Was yellow the stock 55 color on calipers?
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