GLS Class (X166) Produced from 2016 to 2019

GLS550 Brakes sporadically “pulsate” like warped rotors

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Old 04-06-2022, 08:28 AM
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2017 GLS 550
GLS550 Brakes sporadically “pulsate” like warped rotors

Sometimes my brakes feel like they are badly warped when coming to a stop and other times they feel fine. The brakes have been inspected and rotors look clean.

Has anyone else experienced/remedied this?
Old 04-06-2022, 03:47 PM
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2017 GLS 550
Uneven pad deposits. Two ways to fix it - a few 90 to 5mph hard braking runs, or getting the rotors either sanded or resurfaced somehow.
Old 07-22-2022, 11:50 AM
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Any recommendations on better-than-oem aftermarket rotors?
Old 07-22-2022, 11:53 AM
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Originally Posted by DBMC
Any recommendations on better-than-oem aftermarket rotors?
I installed these Zimmerman rotors last fall and they've been great - https://www.fcpeuro.com/products/mer...mbo-1664210912
Old 07-22-2022, 12:19 PM
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Originally Posted by FWP!
I installed these Zimmerman rotors last fall and they've been great - https://www.fcpeuro.com/products/mer...mbo-1664210912
Thanks!!! Did you use these on rears https://www.fcpeuro.com/products/mer...mer-1664230212
Old 07-22-2022, 12:22 PM
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Originally Posted by DBMC
Thanks!!! Did you use these on rears https://www.fcpeuro.com/products/mer...mer-1664230212
I haven't done the rears yet, but I will this fall. I did the fronts last year because they got warped after a long road trip.
Old 10-09-2022, 07:31 AM
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I replaced rear rotors and pads.

I went with this set. So far so good…

R1 Concepts Rear Brakes and Rotors Kit |Rear Brake Pads| Brake Rotors and Pads| Optimum OEp Brake Pads and Rotors |Hardware Kit |fits Mercedes-Benz GL350, GL450, GL550, GLS350d, GLS450, GLS550 https://a.co/d/hljnnzE


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