C218 CLS63, 2011 - 2019

W218 RWD 1/4 mile times

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Old Feb 13, 2025 | 11:18 PM
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W218 cls 63
W218 RWD 1/4 mile times

Sorry if this thread as been made before. I ran into Brutus’ post on the go fast thread, but it looked to be geared towards the awd/4matics. But I don’t see any threads specifically dedicated to the rwd community.

Any members willing to share their rwd times with what mods they currently have?

recently took mine to the track and my times were atrocious, but the car was suffering from some fuel issues which eventually put the car in limp mode and I didn’t make anymore passes.

best time which was my first run was
11.78
2.18 60ft
(car had a misfire towards the end of the track)
e47 eurocharged tune
xstages Intake
morendi tcu tune
hks plugs
full exhaust and dps
weistec asv
renntech lsd
adjustsble rear upper control arms camber is zeroed out
wheels are 20x11 on nitto 555rii with a 305/30 tire


Last edited by Flipmike22; Feb 13, 2025 at 11:45 PM.
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Old Feb 14, 2025 | 02:39 PM
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My 2012 did 11.11 @131 and 1.89 60ft with the following mods:

93 tune, done locally to me (I mixed in a few gallons of E)
Blackboost Intakes
Catless downpipes (factory bridge pipe)
3" exhaust
305/30/20 Cup2's

TCU tune and I would have been in the 10's, tough to launch these without one.
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Old Feb 14, 2025 | 02:48 PM
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W218 cls 63
Originally Posted by Cammer88
My 2012 did 11.11 @131 and 1.89 60ft with the following mods:

93 tune, done locally to me (I mixed in a few gallons of E)
Blackboost Intakes
Catless downpipes (factory bridge pipe)
3" exhaust
305/30/20 Cup2's

TCU tune and I would have been in the 10's, tough to launch these without one.
curious what psi were your tires and what rpm’s were you launching at? Because that 1.8 is not bad for a rwd car.
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Old Feb 14, 2025 | 02:50 PM
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Around 28psi and I launched off idle. You can't brake boost when you don't have a TCU tune or it essentially goes into limp mode and falls on its face.
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Old Feb 14, 2025 | 03:37 PM
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W218 cls 63
Originally Posted by Cammer88
Around 28psi and I launched off idle. You can't brake boost when you don't have a TCU tune or it essentially goes into limp mode and falls on its face.

was that all the way to the floor or were you feathering it a bit?
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Old Feb 14, 2025 | 03:41 PM
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Foot to the floor and good track prep.

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Old Feb 14, 2025 | 05:52 PM
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W218 cls 63
Originally Posted by Cammer88
Foot to the floor and good track prep.
Suspension was oem and set to comfort ride or did you change a different stage?
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Old Feb 14, 2025 | 05:58 PM
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I have lowering links in the rear, was in comfort mode. I launched in manual mode so it would hold first gear, then switched to sport +

You have a TCU tune, I would try brake boosting around 1500. You should be able to touch a 1.7 60ft.

What was your MPH?
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Old Feb 14, 2025 | 06:24 PM
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W218 cls 63
Originally Posted by Cammer88
I have lowering links in the rear, was in comfort mode. I launched in manual mode so it would hold first gear, then switched to sport +

You have a TCU tune, I would try brake boosting around 1500. You should be able to touch a 1.7 60ft.

What was your MPH?
my mph wouldn’t matter because I let off every run because of the misfire. But, I was launching around 3500rpm

you were switch mid runs from manual to sport +?
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