Mercedes-Benz fault codes
20,291 codes · 1,724 vehicle records · 258 ECU records · 56,350 live-data parameters
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Codes 20,291
| Code | Description | Brands | System |
|---|---|---|---|
| C1202 | Current following abnormality | 29 | Chassis |
| C120200 | If VCC5T_P is out of range after a time x the failure will be detect If VCC5T_P is out of range after a time x the failure will be detect(short cicuit to GND) | 2 | Chassis |
| C1203 | Current is too large | 24 | Chassis |
| C1204 | Motor current too low | 24 | Chassis |
| C1205 | Power supply voltage too high | 29 | Chassis |
| C1206 | Power supply voltage too low | 28 | Chassis |
| C120600 | Ventil Plausibilitätsfehler | 2 | Chassis |
| C120691 | The radar sensor is blocked by dirt or a foreign object. The parameter is outside the permissible range. | 1 | Chassis |
| C120697 | The radar sensor is blocked by dirt or a foreign object. The system function is restricted. | 1 | Chassis |
| C1207 | Seat lumbar height switch - passenger's | 29 | Chassis |
| C120700 | VAC-Sensor Gradientenfehler | 2 | Chassis |
| C1208FA | Radar sensor adjustment is erroneous. Sensor is adjusted too far to the right. | 1 | Chassis |
| C120900 | Service calibration is active. | 2 | Chassis |
| C120A00 | VAC-Sensor Plausibilitätsfehler | 1 | Chassis |
| C120F | Steering angle not calibrated | 12 | Chassis |
| C1210 | Fault - engine in running status | 29 | Chassis |
| C121000 | Vacuum Consumption Monitoring fault | 2 | Chassis |
| C1211 | Attempt to restart assist at high speed | 29 | Chassis |
| C121100 | electrical monitoring of the sensor 2 in the vacuum chamber, i.e. signal is out of Range | 2 | Chassis |
| C1212 | Vehicle speed signal not received | 26 | Chassis |
| C121200 | Nullpunktoffset des Drucksignals P2 | 2 | Chassis |
| C1213 | Seat squab adjustment switch - passenger's | 20 | Chassis |
| C1214 | C1215 Memory switch position 1/2 - passenger's | 14 | Chassis |
| C1215 | C1214/ Memory switch position 1/2 - passenger's | 21 | Chassis |
| C1216 | Memory switch position 3 - passenger's | 22 | Chassis |
| C121800 | The steering angle sensor has a malfunction. | 1 | Chassis |
| C121804 | Lenkradwinkelsensor Interner Fehler - System Internal Failures | 1 | Chassis |
| C121822 | The steering angle sensor has a malfunction. The signal amplitude is greater than the maximum amplitude. | 1 | Chassis |
| C121828 | Lenkradwinkelsensor Offsetfehler - signal bias level out of range / zero adjustment failure | 1 | Chassis |
| C121829 | Lenkradwinkelsensor Signalfehler - signal invalid | 1 | Chassis |
| C121900 | No description available | 1 | Chassis |
| C121901 | Is set if the VAR plausibility check fails | 1 | Chassis |
| C121902 | Is set if Atleast 1 EEPROM ID containing SCN information is Empty | 1 | Chassis |
| C121D00 | Der Drucksensor im Hauptbremszylinder hat einen elektrischen Fehler. | 1 | Chassis |
| C1221 | Seat squab temperature sensor - passenger's | 21 | Chassis |
| C122800 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C122900 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C122C00 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C122D00 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C122F | Serious deviation between rotor steering angle signal and rotor redundant steering angle signal | 10 | Chassis |
| C123D01 | Sensor 'Lateral acceleration' has a malfunction. General Electrical Failure. | 1 | Chassis |
| C123D02 | Sensor 'Lateral acceleration' has a malfunction. Shortcut to Ubatt or Open line. | 1 | Chassis |
| C123D08 | Sensor 'Lateral acceleration' has a malfunction. Bus Signal / Message Failure. | 1 | Chassis |
| C123D09 | Sensor 'Lateral acceleration' has a malfunction. Component Failure. | 1 | Chassis |
| C124900 | No description available | 1 | Chassis |
| C124A00 | invalid REGEN signals received from PCM/VSC | 1 | Chassis |
| C124F | Control Module Improper Shutdown | 10 | Chassis |
| C125000 | An incorrect variant coding or configuration in control unit 'ESP' was detected. | 1 | Chassis |
| C125800 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 2 | Chassis |
| C125900 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 2 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.