I have the dreaded C249F code... I was looking for a scanner that would do more than read codes like my old 2019 Creator 501 for BENZ. ~$90cdn
Got the LAUNCH X431 V2.0 ($165cdn on ALiexpress) and did my first test today. First impression? Pretty good for the price. I will let the pictures talk for themselves.

1. SBC Main menu
2. Module information
3. Special fonction (did not test any of them)
4. Initial statrup after repair, hidden in setting / changeover (did not test) Hopefully this is where you tell your car to accept the "new" unit if it does not recognise it automatically?
5. What it looks like after a scan...
* Read data stream (not shown) will show acumulator and brake line pressure.
I did not see any information on the number of pedal actuation or reset. Might be hidden in Initial statrup?

This scanner will find way more code than you expect - I did not erase any of them for now. I was not home at the time.
In Diagnose, skip AutoDetect and go strait to Mercedes, your VIN will be there...

 

Yup, quite a bit people recommend this scanner: https://mbworld.org/forums/e-class-w...onal-more.html

 

Now you can easily interact with faulty modules.
Your homework is to fix as many fault as possible.

The brakes + engine being high priorities.