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M275 V12 Bi-Turbo Platform Technical discussion relating to models sharing the M275 V12 Bi-Turbo (V12 TT). Including SL600, SL65 AMG, CL600, CL65 AMG, S600, S65 AMG.
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At what MPH does the limiter start to cut in ?

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Old 11-09-2011, 10:31 AM
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2003 CL600 2005 745Li
At what MPH does the limiter start to cut in ?
I had a little run in with a tricked out BMW 1M, he floored it and I followed and stayed right on his tail. Not long and I felt my 03 stock CL600 start to surge a little, I looked down and I was going in the 135 MPH range so I slowed up.

What happen did the MPH Limiter kick in or ?

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Old 11-09-2011, 01:03 PM
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Your car must be going into limp home mode - they only do this if they are experiencing valve float, and the ECU is trying to protect the engine. Likely you have broken a follower.
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Old 11-09-2011, 01:05 PM
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HA HA HA...just kidding

Mine cut off at 130 mph stock. It would start to pull power between 120 and 130 so you didn't "slam into" the governor.

An ECU tune will remove that.
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Old 11-09-2011, 01:06 PM
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Originally Posted by FormulaZR
Your car must be going into limp home mode - they only do this if they are experiencing valve float, and the ECU is trying to protect the engine. Likely you have broken a follower.
LOL you funny ...... I thought that must be it, but I had read in magazine review that 155 was the cut off ?
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Old 11-09-2011, 01:07 PM
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I think 155 is only for AMG cars...
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Old 11-09-2011, 01:16 PM
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Originally Posted by FormulaZR
I think 155 is only for AMG cars...
If this link works it 1 of several I have seen

http://media.caranddriver.com/files/...y-coupes-1.pdf

Full write up is here

http://www.caranddriver.com/comparis...mparison-tests
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Old 11-10-2011, 10:07 AM
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'18 Eurocharged GLE 43
My 05 CL65 cut off at 156 when I was playing with a C5 vette yesterday. My old SRT8 Challenger would have kept going!
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