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 |
|---|---|---|---|
| B1704 | Autolight sensor open | 20 | Body |
| B1705 | Display panel control unit lost communication with Gauge control module | 24 | Body |
| B1706 | Power seat control unit lost communication with Gauge control module | 25 | Body |
| B1707 | 1F = Door Lock / Unlock Circuit Fault | 26 | Body |
| B1708 | 1F = Power Folding Mirrors Output Circuit Fault | 23 | Body |
| B1709 | Left side air curtain resistance low | 23 | Body |
| B170A | Left side air curtain resistance high | 6 | Body |
| B170B | Fuel filler cover control switch status failure | 6 | Body |
| B170C | Child lock or automatic high beam/low beam switch button failure | 11 | Body |
| B1710 | Airbag Lamp Fault | 20 | Body |
| B1711 | The child lock status is inconsistent with the right rear door lock status | 21 | Body |
| B1712 | mirror switch input shorted to ground | 21 | Body |
| B1713 | mirror switch R down input stuck high | 18 | Body |
| B1714 | Autolight sensor fail | 16 | Body |
| B1715 | Transmission MIL Fault | 16 | Body |
| B1716 | Passenger knee airbag impedance large | 16 | Body |
| B171701 | Die Leseleuchte vorn links hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor. | 1 | Body |
| B1718 | power folding mirror switch input circuit high | 15 | Body |
| B1719 | Left knee airbag short to power | 10 | Body |
| B171B01 | Die Leseleuchte vorn rechts hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor. | 1 | Body |
| B171E00 | The WLAN module has a malfunction. | 1 | Body |
| B171E05 | The WLAN module has a malfunction. There is a programming fault. | 1 | Body |
| B171E53 | WLAN deactivated by routine | 1 | Body |
| B1720 | mirror up and down control switch circuit | 18 | Body |
| B1721 | mirror left and right control switch circuit | 18 | Body |
| B1722 | Immobilizer-antenna fail | 19 | Body |
| B1723 | mirror motor control circuit 1 performance | 21 | Body |
| B1724 | Falla Circuito 2 Control Motor Espejo | 19 | Body |
| B1725 | Immobilizer-CAN massage fail | 22 | Body |
| B1726 | Immob-too much challenge receive | 21 | Body |
| B172601 | The Ethernet switch has a malfunction. There is a general electrical fault. | 1 | Body |
| B172604 | The Ethernet switch has a malfunction. There is an internal fault. | 1 | Body |
| B172605 | The Ethernet switch has a malfunction. There is a programming fault. | 1 | Body |
| B172651 | The Ethernet switch has a malfunction. The component is not programmed. | 1 | Body |
| B172657 | The Ethernet switch has a malfunction. Incorrect or incompatible software modules were detected. | 1 | Body |
| B1727 | Left front door handle fault | 19 | Body |
| B172701 | Die Spiegelleuchte 'Kosmetikspiegel vorn' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor. | 1 | Body |
| B172709 | Die Spiegelleuchte 'Kosmetikspiegel vorn' hat Funktionsstörung.Es liegt ein Bauteilfehler vor. | 1 | Body |
| B172711 | The mirror lamp 'Front vanity mirror' has a malfunction. There is a short circuit to ground. | 1 | Body |
| B1728 | Right front door handle fault | 18 | Body |
| B1729 | Left rear door handle fault | 19 | Body |
| B172B11 | Der Ausgang der Fußraumbeleuchtung vorn hat Funktionsstoerung. Es liegt ein Kurzschluss nach Masse vor. | 1 | Body |
| B172B15 | Der Ausgang der Fußraumbeleuchtung vorn hat Funktionsstoerung. Es liegt ein Kurzschluss nach Plus oder eine Unterbrechung vor. | 1 | Body |
| B1730 | Locking/super locking motor shared output fault | 22 | Body |
| B1731 | Locking/unlocking motor control failure | 17 | Body |
| B1733 | Keyless unlocking priority control fault | 5 | Body |
| B173300 | Die Taste 'Innenbeleuchtung' klemmt. | 3 | Body |
| B1734 | Left front door access lock sensor fault | 10 | Body |
| B17342A | Die Taste 'Leselicht' vorn links klemmt. Keine Signaländerung. | 1 | Body |
| B1735 | Driver seat front up switch circuit malfunction | 12 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.