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 |
|---|---|---|---|
| U11A683 | No description available | 1 | Network |
| U11A687 | Timeout Error RDU | 1 | Network |
| U11A6FD | SG DTQ_Rq1_Pr2 - Timeout Error | 1 | Network |
| U11A987 | Lost communication with Display Rear L | 1 | Network |
| U11AA87 | Lost communication with Display Rear R | 1 | Network |
| U11AD00 | Communication with control unit 'Display cluster' has a malfunction. | 1 | Network |
| U11AD01 | Die Kommunikation mit dem Steuergerät 'Displaygruppe' hat Funktionsstörung. (Es liegt ein allgemeiner elektrischer Fehler vor.) | 1 | Network |
| U11AD62 | Communication with control unit 'Display cluster' has a malfunction. Signal Compare Failure. | 1 | Network |
| U11AD87 | Die Kommunikation mit dem Steuergerät 'Displaygruppe' hat Funktionsstörung. (Die Botschaft fehlt.) | 1 | Network |
| U11B400 | Lost communication with ECU 'DIGITAL LIGHT' | 1 | Network |
| U11B42F | Lost communication with ECU 'DIGITAL LIGHT' - Signal erratic | 1 | Network |
| U11B431 | Lost communication with ECU 'DIGITAL LIGHT' - no Signal | 1 | Network |
| U11B504 | The internal communication in control unit 'DC safety system' has a malfunction. System Internal Failure. | 1 | Network |
| U11B900 | Die Kommunikation mit dem Luftfedersteuergerät hat Funktionsstörung. | 2 | Network |
| U11BE00 | Communication with the radiator shutters has a malfunction | 1 | Network |
| U11BE87 | missing message Error Entry for Message Lost for all thermo jalousie actuator LIN messages | 1 | Network |
| U11BF83 | Communication with the humidity/temperature sensor has a malfunction. CRC Error | 1 | Network |
| U11C100 | Communication with the charging station has a malfunction. | 1 | Network |
| U11C102 | Communication with the charging station has a malfunction. There is a general signal fault. | 1 | Network |
| U11C196 | Communication with the charging station has a malfunction. There is an internal component fault. | 1 | Network |
| U11C1FC | Communication with the charging station has a malfunction. | 1 | Network |
| U11C300 | No description available | 1 | Network |
| U11C400 | Communication fault due to a short-term overvoltage. | 1 | Network |
| U11C417 | Communication fault due to a short-term overvoltage. Circuit Voltage Above Threshold | 1 | Network |
| U11C686 | Das FlexRay-Signal EM01_RPM vom EM01-SG (E-Maschine) ist fehlerhaft. | 1 | Network |
| U11C687 | Botschaft vom EM01-SG (E-Maschine) wird zeitweise nicht empfangen | 1 | Network |
| U11CB88 | Communication with the headlamp CAN has a malfunction. Bus OFF | 1 | Network |
| U11CC | No description available | 1 | Network |
| U11CD | No description available | 1 | Network |
| U11D0 | No description available | 1 | Network |
| U11D2 | No description available | 1 | Network |
| U11D4 | Communication failure with powertrain monitor | 2 | Network |
| U11D5 | Lost communication with the electric vehicle management electronic control unit | 8 | Network |
| U11D6 | Lost communication with the powertrain interface ECU | 2 | Network |
| U11D7 | Traction control (anti-slip regulation) failure | 8 | Network |
| U11D8 | No description available | 1 | Network |
| U11D9 | No description available | 1 | Network |
| U11DA87 | Die Kommunikation zwischen dem Steuergerät 'Supplemental Restraint System' und dem Steuergerät 'Antriebsstrang' hat Funktionsstörung. Missing Message | 1 | Network |
| U1200 | Loss of serial communications for class 2 devices | 23 | Network |
| U1203 | Loss of serial communications for class 2 devices | 23 | Network |
| U1204 | Loss of serial communications for class 2 devices | 21 | Network |
| U120400 | Die Kommunikation mit dem Steuergerät 'Nachtsicht-Assistent' hat Funktionsstörung. | 2 | Network |
| U120402 | General Signal Failure | 1 | Network |
| U120487 | Communication with control unit 'Night View Assist' has a malfunction. Missing Message. | 1 | Network |
| U120587 | Die Kommunikation mit dem AIRSCARF hinten hat Funktionsstoerung. Botschaft fehlt. | 1 | Network |
| U120C08 | Bereichsfehler der SVS-Signale | 1 | Network |
| U120C41 | Kumulierte Fehler der SVS-Signalgruppen | 1 | Network |
| U120C81 | Unplausibler Zeitstempel | 1 | Network |
| U120C87 | Communication with control unit '360° camera' has a malfunction. The message is missing. | 1 | Network |
| U120C8F | Timeout der SVS-Signalgruppen | 1 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.