MERCEDES BENZ S550 BRAKE

I Was Taking Off On Gravel And All The Lights Came On. Checked And It Says Left Front Wheel Sensor, Checked Speeds And All Move Except It....

My Front Wheels Squeak As I Slow Down And Press On The Brakes Though My Discs Have Just Been Replaced

I Have A Lot Of Rust Accumulated On My Rotors Causing A Screeching Noise Every Time I Press On The Brakes. I Have The Brakes And Sensor...

All Lights On The Dash Of Course, Have A Code 511700, Is It Usually The Sensor? I Scanned It And Drove, And It Is Not Reading, The...