Fault code lookup

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

CodeDescriptionBrandsSystem
B181A68No description available1Body
B181E64Der Sensor für Motorhaube hat Funktionsstoerung. Es liegt ein unplausibles Signal vor.1Body
B1820driver recline rearward switch circuit malfunction21Body
B18202BDer Hallsensor 1 oder 2 hat Funktionsstörung. Die elektrischen Leitungen haben Kurzschluss untereinander.1Body
B1821R side side ignition system open circuit11Body
B1822R side side ignition system ground shorted11Body
B1823D seat side side ignition system power short12Body
B1824The Lock bolt Motor is not supplied in Direction unLock8Body
B1826Engine oil pressure alarm failure19Body
B182611No description available1Body
B1827Downshift paddle stuck12Body
B182700pSIS_Passenger in EOLP mode3Body
B182701No description available2Body
B1828Upshift paddle stuck13Body
B1829Traction battery charging status fault14Body
B182D86No description available2Body
B182D9ANo description available2Body
B182E2ANo description available2Body
B182F00No description available2Body
B1830High frequency function failure19Body
B1831High frequency function failure19Body
B1832ECU internal fault18Body
B183200The 48V on-board electrical system has a malfunction.2Body
B183212The 48V on-board electrical system has a malfunction. There is a short circuit to positive.1Body
B183213The 48V on-board electrical system has a malfunction. Thermal Propagation Event.1Body
B183214The 48V on-board electrical system has a malfunction. There is a short circuit to ground or an open circuit.1Body
B183216No description available1Body
B183217No description available1Body
B183219No description available1Body
B1833Key transponder failure18Body
B18339AThe battery for the 48V on-board electrical system has a malfunction. Component or System Operating Conditions.1Body
B1834Transponder malfunction15Body
B183414No description available1Body
B1835High frequency function failure18Body
B1837Communication failure with transponder17Body
B1838Centralized steering wheel ECU power failure20Body
B1840Consistency fault between electronic key reader start request and engine start switch pressing16Body
B1841USB 1 interface circuit overcurrent14Body
B184329Das Relais für 'Heckspoiler einfahren' / es liegt ein ungültiges Signal vor.1Body
B184401Die Ansteuerung Heckspoiler ausfahren'' / es liegt ein allgemeiner elektrischer Fehler vor.1Body
B184429Das Relais für 'Heckspoiler ausfahren' / es liegt ein ungültiges Signal vor.1Body
B184528Der Signal-Offset der Bugwelle-Elektronik zur Blockiererkennung hat Funktionsstörung1Body
B1846No description available12Body
B1847Infotainment Head Unit (IHU) detected to be inconsistent with the gateway network management type13Body
B184729Das Relais für 'Bugwelle einfahren' / es liegt ein ungültiges Signal vor.1Body
B1848No description available12Body
B184801Die Ansteuerung 'Bugwelle ausfahren' / es liegt ein allgemeiner elektrischer Fehler vor.1Body
B184829Das Relais für 'Bugwelle ausfahren' / es liegt ein ungültiges Signal vor.1Body
B1849No description available12Body
B184901The glass panel motor is malfunctioning - a general circuit fault.2Body

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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