// Mercedes-Benz
Mercedes-Benz Car Diagnostics
Mercedes-Benz vehicles (C, E, A Class and others) support the OBD2 standard. Their direct-injection engines commonly show mixture and emissions codes, and ignition-related misfires at high mileage.
Where is the OBD2 port?
The OBD2 port is on the driver side under the steering wheel; on some models it's covered in the lower panel.
Commonly seen trouble codes
- P0300Random/Multiple Cylinder Misfire
- P0171System Too Lean (Bank 1)
- P0420Catalyst Efficiency Below Threshold (Bank 1)
- P0128Coolant Thermostat Temperature Below Regulating
- P0455EVAP System Large Leak
Coding and hidden features
On Mercedes, some features like mirror fold, hidden menus and comfort settings can be coded; scope varies by model and hardware. AutoMulti aims to offer coding in an approved, reversible way.
Hidden Feature Activation (Car Coding) →Try AutoMulti
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