Why the Error Reduced Braking Power! Start engine! & Service Brake! Visit Workshop! on Mercedes W211

Error C2131 Service Brake Visit Workshop Replacing SBC Brake Pressure Accumulator Mercedes W211 • Replacing SBC Brake Pr...
Brake fluid tester - ali.pub/4p7oxd
▶ Music
Song: Diviners - Savannah (feat. Philly K) [NCS Release]
Stating the music was provided by NCS
Link: • Diviners - Savannah (f...
Diviners - / divinersmusic
I want to show all that because of the fact that the brake light switch doesn't work there can be a error Service brake! Visit workshop! & Reduced braking power! Start engine! on Mercedes W211, W219