For those using a Clone C4 SD Connect with Xentry 09.2022:

Choose (often listed as A1) and click Continue. 3. Access the Maintenance Menu Go to the Actuations or Adaptations tab. Look for Maintenance or ASSYST PLUS settings. Select Confirmation of General Maintenance . 4. Confirm the Service

⚠️ Cloned Xentry systems (cheap C4/C6 from online marketplaces) often corrupt service counters or fail to perform a true reset. Invest in a legitimate setup or reliable third‑party tool.

Ensure the ignition is in (On, engine off) and the battery voltage is stable (ideally above 12V).

Newer Mercedes models (such as the C-Class W206 or S-Class W223) often require a diagnostic tool and specialized software. These systems utilize security certificates that must be updated every three months to perform maintenance tasks. Troubleshooting and Verification YouTube·Master Tech Louhttps://www.youtube.com

: The technician connects a Multiplexer (like the SD Connect C4 or VCI) to the vehicle's OBD-II port.