Rear Brake Rotor/Disc

Rear Brake / Discs

Attention!
New brake pads may only be installed if the brake disc thickness is greater than or equal to the minimum brake disc thickness (MIN TH) (not including M vehicles).
In case of M vehicle and perforated brake discs new brake pads may only be installed if the brake disc thickness is greater than the minimum brake disc thickness (MIN TH).
Minimum brake disc thickness during general inspection:
Nominal size thickness minus 2.4 mm
(Not applicable to perforated brake discs and M vehicles)
M vehicles and perforated brake discs:
Nominal size thickness minus 1.6 mm

Depending on:
- Engine type
- Transmission version
- Equipment specification (e.g. maximum load increase, chassis official-use, brake system national version, etc.)
different brake discs can be fitted

The brake discs must always be assigned by way of the relevant vehicle identification number and the Electronic Parts Catalogue (ETK)!

Different thicknesses on brake linings Max. 0.1 mm

Max. machining limit per friction ring side 0.8 mm
(M vehicles and perforated brake discs must not be machined).

Nominal size (diameter x thickness) 324 x 20 mm
Brake disc minimum thickness (MIN TH) stamped on brake disc body 18.4 mm

Nominal size (diameter x thickness) 324 x 12 mm
Brake disc minimum thickness (MIN TH) stamped on brake disc body 10.4 mm

Wear warning from residual lining thickness 3.0 mm