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 |
|---|---|---|---|
| B1486 | Alarm Status LED - Driver | 20 | Body |
| B1487 | Generator l-terminal circuit low | 20 | Body |
| B1488 | Generator l-terminal circuit high | 20 | Body |
| B1489 | Left/right mirror motor | 14 | Body |
| B148A | Exterior door handle motor | 10 | Body |
| B148B | Front Panel Rear Blower Speed Increase Switch Error | 4 | Body |
| B148C | Driver Air Mode Switch Decrease Error | 9 | Body |
| B148D | Seat memory switchpack status indicator | 9 | Body |
| B148E | Secondary tailgate release switch | 8 | Body |
| B148F | G858 - Centre crash sensor for X/Y axis | 4 | Body |
| B1490 | Evaporator Superheat Temperature Sensor | 19 | Body |
| B1491 | Ignition supply A | 16 | Body |
| B1492 | Generator f-terminal circuit low | 15 | Body |
| B1493 | Generator f-terminal circuit high | 15 | Body |
| B1494 | Front Upper Squab Incline Switch | 13 | Body |
| B1495 | Front Upper Squab Recline Switch | 18 | Body |
| B1497 | Left - Calf rest - Up switch | 15 | Body |
| B149700 | No description available | 1 | Body |
| B149701 | No description available | 1 | Body |
| B149745 | No description available | 1 | Body |
| B14974B | No description available | 1 | Body |
| B1498 | Right - Calf rest - Down switch | 17 | Body |
| B1499 | Control unit collision decision | 15 | Body |
| B149911 | Antenna TV #1 circuit | 2 | Body |
| B149912 | Antenna TV #1 high | 2 | Body |
| B149913 | Antenna TV #1 open load | 2 | Body |
| B149B11 | Antenna TV #2 circuit | 2 | Body |
| B14A0 | If motor position sensor 1 signal circuit is open, PSD ECU sets DTC | 6 | Body |
| B14A711 | No description available | 1 | Body |
| B14A712 | No description available | 1 | Body |
| B14A713 | No description available | 1 | Body |
| B14A72B | No description available | 1 | Body |
| B14A8 | BroadR-Reach link - Infotainment slave controller - Link 1 | 9 | Body |
| B14AB2A | No description available | 2 | Body |
| B14B0 | M_ S0#Relativdrucksensor | 13 | Body |
| B14B1 | M_ S0#Sensor nach Rueckschlagventil | 7 | Body |
| B14B2 | M_ S0#VL Regenerierung aktiv | 10 | Body |
| B14B5 | M_ S1#nicht zulaessig | 8 | Body |
| B14B6 | M_ S0#nicht eigensicheres SG | 7 | Body |
| B14B7 | M_ S0#KGH-Entlueftungsdiagnose passiv | 6 | Body |
| B14B8 | BroadR-Reach® link - Infotainment slave controller - Link 2 | 7 | Body |
| B14BC29 | The data line between the head unit and the instrument cluster has a malfunction. There is an invalid signal. | 1 | Body |
| B14BC97 | IC-HSVL Tx+ bad link quality | 1 | Body |
| B14BD2A | No description available | 1 | Body |
| B14C0 | No description available | 7 | Body |
| B14C011 | V2X antenna at interface device channel 1 short to ground | 2 | Body |
| B14C015 | V2X antenna at interface device channel 1 short to battery or open load | 2 | Body |
| B14C016 | V2X antenna at interface device channel 1 low voltage | 1 | Body |
| B14C111 | V2X antenna at interface device channel 2 short to ground | 1 | Body |
| B14C115 | V2X antenna at interface device channel 2 short to battery or open load | 1 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.