Mercedes-Benz Metris 2007–2023 — technical service bulletin

Bulletin LI00.19-N-075749 · NHTSA communication 10231020 · issued Jan 13, 2023

Technical service bulletin

communication type

Electrical System

component

2007–2023

model years

vehicle entries

Official summary

Complaint Various issues including control unit programming procedure will not complete successfully/no newer software found, communication faults, or sporadic malfunction of systems. Cause Aftermarket CAN device could be installed into the vehicle's CAN network. Such devices can be but are not limited to, remote start modules, CAN blockers, or high idle modules. Remedy A successful control unit programming session cannot be ensured while aftermarket devices are connected to the vehicle's CAN network. Some of the device companies supply a bypass to allow control unit programming.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.