dagger22
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May 11, 2026
- Join DateFeb 2018
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- Vehicle(s) I drive2019 CLS450 (C257)
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So as you may know I installed Sl63 AMG brakes onto my car and the rear park brake did not work and came up with an error amber P symbol. So although the C63 and Sl63 brakes look the exact same they're not! The rear motors in the Sl63 do not communicate with the C63 harness although they clip straight in! I ordered the C63 rear brake motors and they fitted straight onto the Sl63 calipers and when I logged into Xentry and calibrated the handbrake boom the code cleared!!!
Finally after 2 years of trying to program the brakes etc the problem is solved!!
Congrats! glad to know that you found the issue relating to the specific model brake motor and fixed it!! Originally Posted by brabusaussie
Hello guy's!!So as you may know I installed Sl63 AMG brakes onto my car and the rear park brake did not work and came up with an error amber P symbol. So although the C63 and Sl63 brakes look the exact same they're not! The rear motors in the Sl63 do not communicate with the C63 harness although they clip straight in! I ordered the C63 rear brake motors and they fitted straight onto the Sl63 calipers and when I logged into Xentry and calibrated the handbrake boom the code cleared!!!
Finally after 2 years of trying to program the brakes etc the problem is solved!!
Cosworth2000
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Dec 31, 2025
- Join DateJun 2012
- LocationToronto
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- Vehicle(s) I drive2022 E53 AMG
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I was thinking the same and was thinking about installing these AMG rears since they look better than my correct brakes.
