Mercedes-Benz diagnostic reference

Explore 13 connection profiles and 217 enhanced definition variants recorded for Mercedes-Benz. Reference relationships describe the library, not road-test coverage.

Vehicle and connection profiles

E250 BlueTEC Diesel 2014-Mercedes-Benz · 2014–onward
E350 DieselMercedes-Benz
EQA / EQB / G-Class G580 EQMercedes-Benz
EQC / EQVMercedes-Benz
GLK 220 CDIMercedes-Benz
GLK 350 3.5L, ML 350 GasolineMercedes-Benz
OBD-II / EOBD + AT (CAN)Mercedes-Benz
Sprinter 2011- 3.0 DieselMercedes-Benz · 2011–2011
Sprinter II (2006-), NCV3Mercedes-Benz · 2006–onward
W164 ML300 CDI 3LMercedes-Benz
W168Mercedes-Benz
W203 CDIMercedes-Benz
W204 DieselMercedes-Benz

Enhanced PID meanings

Browse individual signal meanings, units and exact profile links.

Browse Mercedes-Benz enhanced signals

Trouble-code reference families

Mercedes-Benz — Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope