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 |
|---|---|---|---|
| B181A68 | No description available | 1 | Body |
| B181E64 | Der Sensor für Motorhaube hat Funktionsstoerung. Es liegt ein unplausibles Signal vor. | 1 | Body |
| B1820 | driver recline rearward switch circuit malfunction | 21 | Body |
| B18202B | Der Hallsensor 1 oder 2 hat Funktionsstörung. Die elektrischen Leitungen haben Kurzschluss untereinander. | 1 | Body |
| B1821 | R side side ignition system open circuit | 11 | Body |
| B1822 | R side side ignition system ground shorted | 11 | Body |
| B1823 | D seat side side ignition system power short | 12 | Body |
| B1824 | The Lock bolt Motor is not supplied in Direction unLock | 8 | Body |
| B1826 | Engine oil pressure alarm failure | 19 | Body |
| B182611 | No description available | 1 | Body |
| B1827 | Downshift paddle stuck | 12 | Body |
| B182700 | pSIS_Passenger in EOLP mode | 3 | Body |
| B182701 | No description available | 2 | Body |
| B1828 | Upshift paddle stuck | 13 | Body |
| B1829 | Traction battery charging status fault | 14 | Body |
| B182D86 | No description available | 2 | Body |
| B182D9A | No description available | 2 | Body |
| B182E2A | No description available | 2 | Body |
| B182F00 | No description available | 2 | Body |
| B1830 | High frequency function failure | 19 | Body |
| B1831 | High frequency function failure | 19 | Body |
| B1832 | ECU internal fault | 18 | Body |
| B183200 | The 48V on-board electrical system has a malfunction. | 2 | Body |
| B183212 | The 48V on-board electrical system has a malfunction. There is a short circuit to positive. | 1 | Body |
| B183213 | The 48V on-board electrical system has a malfunction. Thermal Propagation Event. | 1 | Body |
| B183214 | The 48V on-board electrical system has a malfunction. There is a short circuit to ground or an open circuit. | 1 | Body |
| B183216 | No description available | 1 | Body |
| B183217 | No description available | 1 | Body |
| B183219 | No description available | 1 | Body |
| B1833 | Key transponder failure | 18 | Body |
| B18339A | The battery for the 48V on-board electrical system has a malfunction. Component or System Operating Conditions. | 1 | Body |
| B1834 | Transponder malfunction | 15 | Body |
| B183414 | No description available | 1 | Body |
| B1835 | High frequency function failure | 18 | Body |
| B1837 | Communication failure with transponder | 17 | Body |
| B1838 | Centralized steering wheel ECU power failure | 20 | Body |
| B1840 | Consistency fault between electronic key reader start request and engine start switch pressing | 16 | Body |
| B1841 | USB 1 interface circuit overcurrent | 14 | Body |
| B184329 | Das Relais für 'Heckspoiler einfahren' / es liegt ein ungültiges Signal vor. | 1 | Body |
| B184401 | Die Ansteuerung Heckspoiler ausfahren'' / es liegt ein allgemeiner elektrischer Fehler vor. | 1 | Body |
| B184429 | Das Relais für 'Heckspoiler ausfahren' / es liegt ein ungültiges Signal vor. | 1 | Body |
| B184528 | Der Signal-Offset der Bugwelle-Elektronik zur Blockiererkennung hat Funktionsstörung | 1 | Body |
| B1846 | No description available | 12 | Body |
| B1847 | Infotainment Head Unit (IHU) detected to be inconsistent with the gateway network management type | 13 | Body |
| B184729 | Das Relais für 'Bugwelle einfahren' / es liegt ein ungültiges Signal vor. | 1 | Body |
| B1848 | No description available | 12 | Body |
| B184801 | Die Ansteuerung 'Bugwelle ausfahren' / es liegt ein allgemeiner elektrischer Fehler vor. | 1 | Body |
| B184829 | Das Relais für 'Bugwelle ausfahren' / es liegt ein ungültiges Signal vor. | 1 | Body |
| B1849 | No description available | 12 | Body |
| B184901 | The glass panel motor is malfunctioning - a general circuit fault. | 2 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.