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00 - General, Technical Data: Brakes

Brake system
Dual-circuit brake system with diagonal distribution with ABS, EBV, EDL, ASR, ESP, ECD and EPB
Master brake cylinder Dia. mm 26.99
Brake booster, pneumatic Dia. in inches 8 + 9 Tandem
Assist factor   7
Front brakes
Brake caliper   FNR G60 (16) FNR G60 (16) FNR 42 AL (17) FNR 42 AL (17) FNR 42 AL (18)
Production-relevant no. (Pr. no.)   1LG 1LG 1LL 1LM 1LJ
Brake disc ventilated dia. mm 321 323 360 360 385
Brake disc, thickness mm 30 30 34 34 36
Brake disc, wear limit mm 28 28 31 31 33
Brake caliper, piston dia. mm 60 60 2 x 42 2 x 42 2 x 42
Brake pad thickness mm 20.3 20.3 20.43 20.43 20.43
Brake pad, wear limit mm 4 4 4 4 4
  Ceramic front brakes CISC
Brake caliper Brembo M6 Al
Production-relevant no. (Pr. no.) 1LW
Brake disc ventilated dia. 385 mm
Brake disc, thickness 36 mm
Brake disc, wear limit The minimum measurement and minimum weight of the brake disc is stamped on the brake disc socket as the wear limit.
Brake caliper, 6 piston monoblock every 2 x 32/ 36/ 38 mm
Brake pad thickness 20.4 mm
Minimum pad thickness with backing plate and dampening sheet 9.5 mm

Brake discs 

NOTE:
  • Hairline cracks on brake disc friction surfaces are often observed during brake repairs. Hairline cracks up to 10 mm long are not a technical flaw and are not cause for brake disc replacement.
  • Brake discs with friction surfaces that have worn through should be replaced.
Rear brakes
Production-relevant no. (Pr. no.)   1KE (16) 1KW (17) 1KY (18) 1KZ (18)
Brake disc, ventilated dia. mm 280 310 335 335
Brake disc, thickness mm 22 22 22 22
Brake disc, wear limit mm 20 20 20 20
Brake caliper, piston dia. mm 43 43 43 43
Brake pad thickness mm 17.45 17.45 17.45 17.45
Brake pad, wear limit mm 3 3 3 3
  Ceramic - rear brakes
Brake caliper Pagid P40- 3V
Production-relevant no. (Pr. no.) 1KU
Brake disc ventilated dia. 356 mm
Brake disc, thickness 28 mm
Brake disc, wear limit The minimum measurement and minimum weight of the brake disc is stamped on the brake disc socket as the wear limit.
Brake caliper, 1 pistons dia. 45 mm
Brake pad thickness 16.5 mm
Remaining pad strength with backing plate and dampening sheet 9.0 mm