# B129C on the 2026 Mercedes\-Benz CLE

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B129C

- [11030157](https://open.wenmarpro.com/bulletins/11030157), 2026-03-19: Complaint Mercedes me connect services inoperative \(me\-Call, Remote Status, etc.\). Mercedes me services \- activation not possible Notes: \- The event code "B129C00 \- Malfunction in control unit for telematics services" is active and stored \- The head unit shows no internet connection Cause Under analysis. Remedy Please create a TIPS case, attach a RAMSES control unit log to the case.