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 |
|---|---|---|---|
| C003729 | The left rear wheel speed sensor has a malfunction. There is an invalid signal. | 1 | Chassis |
| C00374A | The left rear wheel speed sensor has a malfunction. The wrong component is installed. | 1 | Chassis |
| C0037E0 | Left Front Wheel Speed Sensor Circuit Low | 1 | Chassis |
| C0037FA | The left rear wheel speed sensor has a malfunction. | 1 | Chassis |
| C003800 | The missing watchdog does not switch off the valve relay (defective failsafe path) | 1 | Chassis |
| C00389E | The power supply of the left rear wheel speed sensor has a malfunction. | 1 | Chassis |
| C0039 | Left Front Wheel Speed Sensor Circuit Intermittent | 25 | Chassis |
| C003900 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C003A | Right Rear Wheel Speed Sensor | 27 | Chassis |
| C003A00 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 2 | Chassis |
| C003A04 | The right rear wheel speed sensor has a malfunction. There is an internal fault. | 1 | Chassis |
| C003A09 | The right rear wheel speed sensor has a malfunction. There is a component fault. | 1 | Chassis |
| C003A25 | The right rear wheel speed sensor has a malfunction. There is a faulty signal waveform. | 1 | Chassis |
| C003A29 | The right rear wheel speed sensor has a malfunction. There is an invalid signal. | 1 | Chassis |
| C003A4A | The right rear wheel speed sensor has a malfunction. The wrong component is installed. | 1 | Chassis |
| C003AE0 | Right Rear Wheel Speed Sensor | 1 | Chassis |
| C003B00 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C003B9E | The power supply of the right rear wheel speed sensor has a malfunction. | 1 | Chassis |
| C003E00 | Rear Wheel Speed Sensor Supply (Subfault) | 1 | Chassis |
| C003FFC | The wheel speed sensors have an implausible direction of rotation. Counter byte when corresponding SAE Code is used more than one time | 1 | Chassis |
| C003FFD | The wheel speed sensors have an implausible direction of rotation. Counter byte when corresponding SAE Code is used more than one time | 1 | Chassis |
| C004012 | Brake Light Switch line break | 2 | Chassis |
| C00401C | Brake light switch supply error - circuit voltage out of range | 1 | Chassis |
| C00402A | brakelightswitch permanent high with silamemory | 1 | Chassis |
| C004062 | BLS Plausibility Failure - signal compare failure | 1 | Chassis |
| C004084 | Brake Light Switch line break | 1 | Chassis |
| C004086 | Right Front Wheel Speed Sensor Circuit | 2 | Chassis |
| C004087 | Right Front Wheel Speed Sensor Circuit | 2 | Chassis |
| C0040FA | Bls_pls_plaus_error - 0xFA | 1 | Chassis |
| C0040FF | Bls is permanent high (for HHC only) | 1 | Chassis |
| C004200 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C004300 | WSS Mode HW-configuration does not fit to SW-configuration | 1 | Chassis |
| C004400 | Brake pressure sensor A has a malfunction. | 1 | Chassis |
| C004436 | Brake pressure sensor A has a malfunction. The signal frequency is too low. | 1 | Chassis |
| C004437 | Brake pressure sensor A has a malfunction. The signal frequency is too high. | 1 | Chassis |
| C004484 | A too low pressure failure of MOM occurs, if the actual pressure is much lower than the target pressure in the master cylinder | 1 | Chassis |
| C004500 | Brake Pressure Sensor 'B' (Subfault) | 2 | Chassis |
| C0046 | Left Rear Wheel Speed Sensor Circuit Range/Performance | 24 | Chassis |
| C004600 | The pressure sensor in the master brake cylinder has a malfunction. | 1 | Chassis |
| C004800 | OBD relevant DTC in RBS. For detailed information read Fault Memory of RBS | 1 | Chassis |
| C004911 | Der Schalter 'Bremsflüssigkeitsstand' hat Funktionsstörung. Es liegt ein Kurzschluss nach Masse vor. | 1 | Chassis |
| C004B00 | Elektronisches Steuergeraet (ECU) defekt (Softwareversion ist nicht kompatibel zur Hardware (System-ASIC oder Microcontroller) oder System-ASIC oder Microcontroller defekt). | 1 | Chassis |
| C0061 | Lateral Acceleration Sensor | 28 | Chassis |
| C006100 | The lateral acceleration sensor has a malfunction. | 1 | Chassis |
| C006101 | Sensor Cluster Querbeschleunigung elektrischer Fehler - Allgemeiner elektrischer Fehler | 1 | Chassis |
| C006128 | Sensor Cluster Querbeschleunigung Offsetfehler - signal bias level out of range / zero adjustment failure | 1 | Chassis |
| C006129 | lat acc signal error - signal invalid | 1 | Chassis |
| C006154 | Querbechleunigungssensor nicht kalibriert - fehlende Kalibrierung | 1 | Chassis |
| C006162 | Sensor Cluster Querbeschleunigung Signalfehler - signal compare failure | 1 | Chassis |
| C0061FC | Ays plausibility fault | 1 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.