Measure And Adjust Clearance Of Multidisk Brake B08 - AR27.51-P-7230-02EWM

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Transmission 725.0/1

ADJUSTMENT VALUES FOR MULTIDISK CLUTCH/MULTIDISK BRAKE

Number	Designation				Transmission 725.0/1
BE27.51-P-1003-01E	Clearance in multidisk brake B08	Contact force for clearance adjustment	F1	N	600
		Number of internal plates	3	mm	1, 6...1, 8
		Number of internal plates	4	mm	1, 8...2, 0

Fig 1: Identifying Pressing Tool (722 589 01 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Set Of Drifts (722 589 04 15 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Pressure Cylinder (725 589 03 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Parallel Support (168 589 03 21 00)

Courtesy of MERCEDES-BENZ USA

Position torque converter housing with B08 clutch on workshop press.
Mount thrust cylinder with drifts on thrust device (1).
Place thrust device (1) on disk pack and use workshop press to subject to a force of 600 N.
Place parallel gauges (4) on internal plate carrier, place depth gauge (3) flat on parallel gauges (4) and on end disk (5) and reset to 0 mm.

Courtesy of MERCEDES-BENZ USA
Remove thrust device (1) from disk pack.
Place parallel gauges (4) on internal plate carrier.
Pull end disk (5) up against retaining ring, move depth gauge (3) up to end disk (5) and read off and note down value.
Compare actual value with specified value from adjustment values table and set clearance using an appropriate retaining ring.

Courtesy of MERCEDES-BENZ USA