2014 Mercedes cls 550 4MATIC braking issues

Old Sep 2, 2018 | 12:40 AM
  #1  
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2014 Mercedes CLS 550 4MATIC
2014 Mercedes cls 550 4MATIC braking issues

New on this forum! Recently just bought a cls 550. But I noticed the brakes aren’t that good. Car only has 34k on it, but if I’m going high speed and press the brake the car starts swinging from the back and I feel like the brakes aren’t strong enough for these cars. I checked the brake pads and they look pretty good, almost new. Any idea why this happens?
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Old Sep 2, 2018 | 12:59 AM
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How are the tires? Alignment? The brakes on that car are usually quite good.
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Old Sep 2, 2018 | 01:01 AM
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2014 Mercedes CLS 550 4MATIC
Literally changed all my tires last week. Alignment is good. No other issue but the braking power
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Old Sep 2, 2018 | 08:10 AM
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I have a similar issue. It feels like the car isn’t going to stop in time and the longer I’m braking the worse it gets. I figured that whoever had it before me put ****ty pass on it. Have you checked that you have OEM pads?
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Old Sep 2, 2018 | 01:14 PM
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2014 Mercedes CLS 550 4MATIC
How do I check if there oem if you don’t mind me asking?
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Old Sep 2, 2018 | 02:41 PM
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Originally Posted by Adamstaytrue
Literally changed all my tires last week. Alignment is good. No other issue but the braking power
OEM quality tires? How many miles on them so far? I've seen issues like this where brand new tires cause an unstable feeling if they haven't broken in yet on cars that run a lot of camber.

As above, maybe it's just not the correct pads on the car. Only way to check would be remove them and see the writing on them. MB pads will have MB part # and logos on them.
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Old Sep 2, 2018 | 02:51 PM
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2014 Mercedes CLS 550 4MATIC
I got continental dsw6 I was recommended them for this car. Only drive about 70 miles on them now.
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Old Sep 2, 2018 | 07:04 PM
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I'd give them a couple hundred miles to settle in and make sure the pressures are right, to see if the swaying feeling subsides.
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Old Sep 3, 2018 | 12:33 AM
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2013 CLS550
ok so it could be a couple different issues, but I have 40K on mine and had something similar; took it to the dealer and alignment was ok but the brake disc were (both sides) warped on the front. It is a common issue and very expensive to fix OEM....when I get around to it I plan to upgrade the entire system
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Old Sep 3, 2018 | 01:58 AM
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2014 Mercedes CLS 550 4MATIC
did you replace the rotors yet? If yes, is it a lot better than before?
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Old Sep 3, 2018 | 01:26 PM
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Originally Posted by Adamstaytrue
did you replace the rotors yet? If yes, is it a lot better than before?
Not yet, very expensive...the dealer wants a crazy amount to replace rotors....cheaper to get new rotors and everything from racebrake. Then I started looking at getting an upgrade package (+calipers) and just put it all on hold. I have the CPU upgrade and feel that the car needs more stopping power in general for the increased horsepower (and my subsequent speeding problem)
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Old Sep 3, 2018 | 01:53 PM
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2014 Mercedes CLS 550 4MATIC
Do you think if I just replaced the racing brakes, brake pads will they fit on my stock calibers?
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