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Technical data: Brakes

Brake system 
Dual-circuit brake system with diagonal distribution, Anti-locking Brake System (ABS)
with Electronic Brake Pressure Distribution (EBD), Electronic Differential Lock (EDL),
Traction Control System (ASR), Electronic Stabilization Program (ESP)
Brake master cylinder dia., mm 23.81
Brake booster, pneumatic dia., inches 10"
  Function  pneumatic
Boost factor   i = 5
Front brakes 
Brake caliper    PR No. 1LT  PR No. G1A, 1LV PR No. 1ZT
Front brake caliper   FN 3 FN 3 2FN
Piston dia., mm 54 54 42
Brake disc         
Front brake disc dia., mm 312 312 334
Brake disc thickness, ventilated mm 25 25 32
Wear limit mm 23 23 30
Brake pad         
Brake pad thickness (without backing plate) mm 14 14 14
Wear limit (without backing plate) mm 2 2 2
Rear brakes 
Brake caliper    PR No. 1KK  PR No. 1KE  PR No. 2EK  PR No. 1KF 
Rear brake caliper   C 38 C 41 HR C 38 C 38
Piston dia., mm 38 41 38 38
Brake disc           
Rear brake disc dia., mm 232 239 232 256
Brake disc thickness, not ventilated mm 9 9 9 -
Brake disc thickness, ventilated mm - - - 22
Wear limit mm 7 7 20 20
Brake pad           
Brake pad thickness (without backplate) mm 12 12 12 12
Wear limit (without backplate) mm 2 2 2 2