2012 Mercedes-Benz GL550Service bulletins

2012 Mercedes-Benz GL550 Technical Service Bulletins

51 technical service bulletins (TSBs) are on record for the 2012 Mercedes-Benz GL550. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

10167563Jul 8, 2013Electrical system. The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).

← All problems reported for the 2012 Mercedes-Benz GL550

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.