Brakes and Traction Control: Application and ID

Brake PR Number, Allocating

The ABS brake system is divided diagonally (two circuits). The vacuum brake servo unit boosts the brakes pneumatically.

The brake system installed in a vehicle is documented on the vehicle data sticker via the relevant PR number.

Sample Vehicle Data Label






The following brakes are installed in this example:

• - Arrow A - model.

• - Arrow B - front brakes - 1LF.

• - Arrow C - rear brakes - 1KF.

The vehicle data label can be found in the spare wheel well as well as in the Maintenance booklet.

The following table shows the meaning of the PR numbers. These are important for combination brake caliper/brake disc/brake drum and brake pad.

• Allocation, refer to the Electronic Parts Catalog (ETKA).