Why does my Audi A4's steering wheel shake when I brake?

I recently purchased a 2017 Audi A4 and have noticed that whenever I brake, the steering wheel shakes uncontrollably. Is this a sign of a bigger issue, or is it a common problem with the A4 model? Can I fix this on my own or should I take it to a mechanic?

This shaking sensation is most likely caused by warped brake rotors, which can happen over time due to heat and wear. It's a common issue among cars, not just Audi A4s. It's best to have a mechanic inspect and resurface your rotors to fix the problem.