You performed a "quick reset" without completing the full Assyst logic. Repeat the process, but after reset, drive for 20-30 minutes without turning off the engine. The system needs a drive cycle to lock in the new interval.
Why use a scanner? Because the steering wheel service menu cannot:
If the steering wheel button method fails, or you want more features: mercedes w205 service menu
The service due date is not yet reached, or a more severe fault exists (e.g., overfilled oil, SRS fault). Fix: Use a diagnostic scanner (like iCarsoft MB V2.0) to force the reset.
Would you like the separate guide for service menu as well? You performed a "quick reset" without completing the
Alternative combination on some facelift W205 (2019+): Press and hold + OK for 10 seconds.
Once inside, you’ll have options like: Why use a scanner
The Mercedes W205 service menu is a hidden menu that can be accessed through the vehicle's infotainment system. It's designed to provide technicians and owners with a range of diagnostic and maintenance tools that can help identify and fix problems, as well as perform routine maintenance tasks.