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 |
|---|---|---|---|
| B12A001 | No description available | 2 | Body |
| B12A012 | Das Steuergerät hat Funktionsstörung. Es liegt ein Kurzschluss nach Plus vor. | 1 | Body |
| B12A016 | Das Steuergerät hat Funktionsstörung. Der Grenzwert für elektrische Spannung ist unterschritten. | 1 | Body |
| B12A02F | No description available | 2 | Body |
| B12A042 | No description available | 1 | Body |
| B12A04B | No description available | 2 | Body |
| B12A096 | No description available | 1 | Body |
| B12A098 | No description available | 2 | Body |
| B12A1 | V574 - Left indirect ventilation flap control motor | 15 | Body |
| B12A2 | V453 - Control motor for right indirect ventilation flap | 6 | Body |
| B12A3 | Steering column adjust motor drive A | 12 | Body |
| B12A4 | Steering column adjust motor drive B | 11 | Body |
| B12A5 | Steering Column Adjust Motor Drive C | 10 | Body |
| B12B0 | Right coolant control valve | 5 | Body |
| B12B2 | M_ S0#NSoll-Umschaltung aktiviert | 4 | Body |
| B12B3 | M_ S1#nicht aktiv | 3 | Body |
| B12B5 | M_ S1#inaktiv | 5 | Body |
| B12B6 | M_ S0#Software | 5 | Body |
| B12B7 | M_ S0#1 Pumpensystem | 5 | Body |
| B12D0 | No description available | 6 | Body |
| B12D1 | Dynamic air pressure damper motor | 7 | Body |
| B12D2 | No description available | 6 | Body |
| B12D3 | Driver Door Lock Status | 6 | Body |
| B12D4 | No description available | 5 | Body |
| B12D5 | No description available | 5 | Body |
| B12E0 | Off Road Indicator | 8 | Body |
| B12E1 | Front Door Unlock Switch - Interior | 9 | Body |
| B12E2 | Rear door latch unlock microswitch - Interior | 8 | Body |
| B12E3 | Front Door Lock Switch - Interior | 8 | Body |
| B12E4 | Rear door latch lock microswitch - Interior | 7 | Body |
| B12E5 | Off Road Mode Select Switch | 8 | Body |
| B12F0 | Master exterior lamp switch illumination | 14 | Body |
| B12F1 | Ambient lighting zone 1 output | 13 | Body |
| B12F2 | Ambient lighting zone 2 output | 7 | Body |
| B1300 | Seat sliding output error | 30 | Body |
| B1301 | Convertible top header open sensor circuit | 30 | Body |
| B1302 | Mirror Motor Common | 26 | Body |
| B1303 | Park Assist Switch | 26 | Body |
| B130311 | No description available | 2 | Body |
| B130313 | No description available | 2 | Body |
| B130316 | No description available | 2 | Body |
| B130317 | No description available | 2 | Body |
| B1304 | Seat lift control relay open fault | 30 | Body |
| B1305 | Seat tilt control relay open fault | 31 | Body |
| B1306 | Convertible top front latch actuator open circuit | 27 | Body |
| B1307 | Convertible top latch signal circuit | 26 | Body |
| B1308 | To verify this is a valid DTC, please run KOER(Key on engine running). If DTC does not appear during KOER, you may disregard it | 26 | Body |
| B1309 | Clear Memory - Pressure Relief Valve | 24 | Body |
| B130911 | No description available | 2 | Body |
| B130912 | No description available | 2 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.