After a seamless update to ARTEMIS Release E216.4 (A 174 902 6104), there is no longer a backend...
Mercedes-Benz technical service bulletin LI82.85-P-080390 for 2026 Mercedes-Benz Cla 250+ (EV) and 2026 Mercedes-Benz Cla 350 4matic (EV).
- Bulletin number
- LI82.85-P-080390
- Component
- Electrical system
- Summary
- Complaint After a seamless update to ARTEMIS Release E216.4 (A 174 902 6104), there is no longer a backend connection between the MMC App and the vehicle. The following complaints are possible: • Vehicle remote control is not functional (unlocking/locking the vehicle via the Mercedes-Benz app). • The vehicle status data within the Mercedes-Benz app is outdated and does not update. • Digital Extra services cannot be activated/deactivated. • A yellow message "Vehicle connection restricted" permanently appears in the Mercedes-Benz App. Cause A bug in the software update process can cause the ARTEMIS module to be unable to register with the backend after updating to software E216.4. Remedy Always use the latest XENTRY Diagnosis software version with all available AddOns. Required AddOns: AddOn 33166 for XD 12/25 or AddOn 33165 for XD 03/26 must be installed. Do not use XENTRY DVD 09/25 Then, perform a Seamless Update. XENTRY -> Overview -> Control Units List -> Software Update This will recode the ARTEMIS control unit A2/93 and resolve the error. If the complaint persists, please open a TIPS case to the Body/Chassis/Entertainment inbox with a current ARTEMIS control unit log file.
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