Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pr Number Allocation - Brakes
Vehicle data label, example
The respective PR number on the vehicle data label describes which brake system is installed in the vehicle, among other things.
- Example of a vehicle data label:
A -
Rear Brakes (Example)
B -
Front Brakes (Example)
Vehicle data label component location. Refer to => 860General Information; Vehicle Data Label.
ELSA/Vehicle-Specific Notes
The relevant information regarding the brakes installed can also be obtained through ELSA/vehicle-specific notes.
- Example of a display:
1KU -
Rear Brakes (Example)
1LJ -
Front Brakes (Example)
- Allocation. Refer to the Electronic Parts Information.
- The tables explain the PR numbers. These are important for the brake caliper/brake rotor and brake pad combination. Refer to TECHNICAL DATA .
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.