Part of the generic B16B7 overview — this page covers the Mercedes-Benz meaning specifically.
OBD-II Diagnostic Trouble Code
B16B7
Center high-mounted brake light output malfunction
B
Body
comfort / safety
comfort / safety
1
Mfr
manufacturer code
manufacturer code
6
Body subsystem
B7
Center high-mounted brake light output malfunction
Severity · general guide
Varies
Body/safety — depends on system
Code type
Mercedes-Benz
System
Body
Model
Sprinter 907