So, this past Wednesday I took my car (2017 s63 amg coupe) to the dragtrip and am a bit disappointed in the performance. The best I could muster out of it was a 12.7. From what I read in car magazines they had these cars running 12.0-12.2. I tried launching the car in sport mode with brake torquing with slight boost at 2500rpm but it feels like the transmission hesitates for a second then launches. I also tried just smashing the pedal same thing there is a lag before it starts to run. The best time (12.7) I got was when I turned off all traction control off and just smashed the accelerator. I have read on these threads that the transmissions on this car do have a slight hesitation but what I am wondering is then how where these magazines getting these1/4 times. is there a specific way that these cars should be launched off the line? Full size sedans are rifling off faster times then this. Any input would be appreciated.

 

Post the slip. What was the 60 ft?

 

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Thank-You
D.B.


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60ft was a 1.974

 

https://www.caranddriver.com/reviews...amg-s63-coupe/

11.2 @ 126...your MPH is nowhere close. Did you try Race Start/Launch Control?

 

OP has a 2017, there is no Race Start / Launch Control. C&D tested a 2018 were which has a completely different drivetrain (M157 > M177, 7sp > 9sp, 4MATIC>4MATIC+) and new software which adds Sport+ & Race Start, and better Michelin tires too.

But a 12.7 @ 110mph seems way too slow for a 2015-2017 suggesting that something is off with the car. ET should be around 12.0 @ 120mph. So I'd get it checked on a dyno. If it isn't putting down rated power then bring it to the dealer along with the dyno and slip proof; being a 2017 it is still under factory warranty.

On another note, pretty amazing the 2018+ S63 beats the GT R in the 1/4 mile, if not on the track.

 

That's a typical 2017, but the 2018 facelift is a totally different story as long as you don't have any mechanical issues.

 

My bad - i thought he had an '18 - time for an ECU tune

 

https://www.renntechmercedes.com/ind...217-s63-detail

 

Yeah mine is the 5.5 liter engine not the newer one. It seems not many people have run these at the 1/4 mile track besides magazines. I find it hard to believe that the new ones is running a 11.2 without a tune. Would love to see what forum members (not magazines) are putting up but, again it seems people don't track them much (unlike the C and E class forum members). Heisenberg my thoughts were the same as yours I am looking for a local dyno that dynos AWD cars to see if it is putting up the correct numbers. If it is not then I will get it repaired through warranty even though the car feels like it runs fine. I personally think its just the lag in the tranny off the line which is a known issue with this model. It though everything checks out ok I have a local master mechanic from Mercedes who is offering to get it tuned for me by his guy. He has tuned numerous Mercedes and he says he can get another 90hp and 120tq out of it safely. The mechanic says he gets tuned cars in al the time and will make sure he gets me past warranty issues unless it is something big were Mercedes calls for a control unit log. He said it is very unusual for them to check for it unless it is something out of the ordinary like damaged internal components. I will definitely be considering the tune once I get it dynoed cause i can't have this beautiful car running mid to high 12's.

 

Couple things going on here that I can see:

1) Get drag radials and if you can put the car in dyno mode, that is what you need to do. Be careful after the traps, as you wont have the anti lock braking when in this mode, so don't slam the brakes. Hands down the best drag tires are Hoosier Drags: https://www.summitracing.com/parts/h...2dr2/overview/
Throw those on the older sl55 amg or w211 e63 AMG rims, they are 18x10's and fit great.
2) For your front runners, go with a skinny setup, the ones I use are 18x6 spare mercedes benz donut rims and weigh nothing. This is the tire that works great on those rims: https://www.summitracing.com/search/...rder=Ascending Do you research on whether these tires are rated for your vehicles weight.
3) Making those changes should get you in the high 11's in good weather and track prep.

 

I bought a 2016 S63 Sedan and when I initially got the car, it had a really long and awful wide open throttle acceleration lag where my 0 to 60 time was approximately 4.8 to 5.0 seconds which is equal to or slower than an S550 4matic !
I did a transmission adaptation/reset and proceeded to do hard launches from every stop. Over a period of a day or two, my S63 was launching quicker with less acceleration lag on wot. I measured 0 to 60 times of around 4.0 to 4.2 seconds. However, the wide open throttle launch lag is not consistent. Sometimes there is more lag and sometimes there is less. It is truly a Jekyl and Hyde scenario. Very disappointing in a car this expensive and the flagship of Mercedes. Why would Mercedes use a MCT (Multi Clutch) Transmission and replace the TRIED AND TRUE TORQUE CONVERTER WITH THIS multi clutch pack INFERIOR DESIGN??? MERCEDES SHOULD HAVE CONTINUED MAKING THESE AUTOMATICS WITH TORQUE CONVERTERS INSTEAD OF MCT multi clutch packs. Launching a car wide open throttle with a torque converter automatic transmission is reliable and repeatable, not this DISASTER. THE MERCEDES ENGINEERS KNOW IT IS A DISASTER AND A HUGE MISTAKE, but mercedes management probably refused to allow a redesign back to a torque converter because of cost. Mercedes stupidly stuck with the MCT in their 9 speed auto in 2018 and the AMGs have similar launch issues at wot. 0 to 60 and quarter mile times are probably hard to duplicate the published numbers. Mercedes probably increased the maximum torque limits for the mct clutch packs at wot launch thru software change for the press cars so that Car Magazines could consistently get the best acceleration numbers to post. Yes I love Mercedes styling and power and interior, but I would buy a Lexus if they offered a HIGH HORSEPOWER Super Sedan, And they are coming out with a very powerful twin turbo V8. Lexus makes some beautiful cars that are RELIABLE. THE MOST UNRELIABLE AND COSTLY CAR I EVER HAD WAS A MERCEDES. it was a 2006 S55 AMG. I loved the styling and power but it was the biggest piece of crap I ever owned. I spent $15,000 in repairs in 20,000 miles of driving it. That was before the ABC suspension system was about to fail at 70,000 miles for a cost of an added 10,000. The S55 was proof that Mercedes is certainly not " The best or nothing" I have had better luck with my 2012 CLS550 and a 2013 S550. I try to buy Certified. In the end if another manufacturer like Lexus that is known for quality style and especially reliability FINALLY STEPS UP AND produces powerful sedans that match the germans, I think Lexus will have more customers than it can handle. Lexus never wanted to produce AMG or M competitors in the past, but maybe it will in the future.

 

2018 Bone stock…best 0-60 is 2.95 BUUUUTT got 2.99 once and all others btwn 3.04-3.20

 

2018 Bone stock…best 0-60 is 2.95 BUUUUTT got 2.99 once and all others btwn 3.04-3.20