SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: parking brake

Old Jun 11, 2018 | 11:23 AM
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SL R230 500
parking brake

Mercedes R230 2002 model.

how to adjust parking brake at rear wheels
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Old Jun 11, 2018 | 04:35 PM
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The parking brake uses a drum system, integrated into the rear rotor. You adjust it by rotating the star wheel adjuster just like old style drum brakes. You access the star wheel through the lug bolt holes. It's similar to this:

http://benzbits.com/w209/ParkingBrakeAdjustShoes.pdf
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Old Jun 12, 2018 | 03:05 AM
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SL R230 500
Parking brake

Originally Posted by Rudeney
The parking brake uses a drum system, integrated into the rear rotor. You adjust it by rotating the star wheel adjuster just like old style drum brakes. You access the star wheel through the lug bolt holes. It's similar to this:

http://benzbits.com/w209/ParkingBrakeAdjustShoes.pdf
Hi Rudeney,
Many thanks for quick reply. The lug bolt holes do not line up with the star wheel adjusters. It looks as though the parking brake drum needs to be removed to gain access to the adjusters. My SL is a 2002 R230 model.
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Old Jun 12, 2018 | 09:39 PM
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You can reach the star adjuster through the lug bolt holes. You may need to pull the rotor off so you can better visualize what you are doing, but you must tighten them with the rotor/drum in place. Trust me - it does work that way.
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Old Jun 13, 2018 | 06:43 AM
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Originally Posted by Rudeney
You can reach the star adjuster through the lug bolt holes. You may need to pull the rotor off so you can better visualize what you are doing, but you must tighten them with the rotor/drum in place. Trust me - it does work that way.
Thanks Rudeney,
Will adjust the parking brake as you suggest. Will let you know when job is done

Tony Smith
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Old Jun 14, 2018 | 11:10 AM
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If they have had the rear rotors off the rotors is secured with one screw and if the screw is on the correct place the star adjuster should line up
You might have to replace the brake shoes, If i first have the rear brake calipers and rotors off i suppose i would change the brake pads anyway if they are a bit worn.
The brake shoes for the park brake does not cost much
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Old Jun 15, 2018 | 01:45 AM
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Originally Posted by TheSaint
If they have had the rear rotors off the rotors is secured with one screw and if the screw is on the correct place the star adjuster should line up
You might have to replace the brake shoes, If i first have the rear brake calipers and rotors off i suppose i would change the brake pads anyway if they are a bit worn.
The brake shoes for the park brake does not cost much
Thanks for the reply, the adjustment is not urgent (was a MOT advisory) next MOT not due until March 2019. Will do the work shortly.
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