00 General, Technical Data: Specifications: Brakes

Brake System
Dual-circuit brake system with diagonal distribution, anti-lock brake system (ABS) with electronic brake pressure distribution (EBD). Depending on equipment and construction, also with electronic differential lock (EDL), anti-slip regulation (ASR), electronic stability program (ESP)
Brake Master Cylinder	Diameter in mm	22.2
Brake Booster	Diameter in inches	10
	Function	Pneumatic
Assist factor	i =	5

Front Axle
Brake PR number		1ZA	1ZC / 1ZM	1ZD / 1LJ	1ZE	1ZF	1ZK / 1LK	1ZP
Front brake caliper		FN3	FN3	FN3	FN3	FSIII	FNR-G-57	FN3
Pistons	Diameter mm	54	54	54	54	54	57	54
Front brake disc	Diameter mm	312	312	312	288	280	345	288
Brake disc thickness, ventilated	mm	25	25	25	25	22	30	25
Brake disc wear limit	mm	22	22	22	22	19	27	22
Pad thickness, new (not including backing plate)	mm	14.8	14	14	14	14	14.8	14
Brake pad wear limit (not including backing plate)	mm	2	2	2	2	2	2	2

	Rear Wheel Brake, Front-Wheel Drive
Brake PR number		1KD	1KE, 1KF	1KQ	1KU	1KZ, 1KJ	1KS
Rear brake caliper		C 38	CII 41HR	C 38	CII 38HR	CII 38HR	CII 41H R
Pistons	Diameter mm	38	41	38	38	38	38
Rear brake disc	Diameter mm	255	260	255	286	286	272
Brake disc thickness	mm	10	12	10	12	12	10
Brake disc wear limit	mm	8	10	8	10	10	7
Pad thickness, new (not including backing plate)	mm	10.96	10.96	10.96	10.96	10.96	11
Brake pad wear limit (not including backing plate)	mm	2	2	2	2	2	2

	Rear Wheel Brake, All-Wheel Drive
Brake caliper PR-No.		1KF	1KJ	1KU	1KW	2EA	1KS
Rear brake caliper		CII 41HR	CII 41HR	CII 41HR	CII 41HR	CII 41HR	CII 41HR
Pistons	Diameter mm	41	41	41	41	41	38
Rear brake disc	Diameter mm	260	286	286	310	310	272
Brake disc thickness, not ventilated	mm	12	12	12	22	22	10
Brake disc wear limit	mm	9	9	9	19	19	7
Pad thickness, new (not including backing plate)	mm	10.96	10.96	10.96	10.96	10.96	11
Brake pad wear limit (not including backing plate)	mm	2	2	2	2	2	2