| DTC | Description | |
| 9080 | The cause is the cable routing under the passenger seat. The wire was dressed from the factory such that the cabling to the connector was under tension. | The cause is the cable routing under the passenger seat. The wire was dressed from the factory such that the cabling to the connector was under tension. |
| 9083 | The cause is the cable routing under the passenger seat. The wire was dressed from the factory such that the cabling to the connector was under tension. | The cause is the cable routing under the passenger seat. The wire was dressed from the factory such that the cabling to the connector was under tension. |
| 9182 | Res. of Ign. Circuit containing R12-1 (Drivers ETR Ign. Squib too low). | |
| 9183 | The resistance value in the ignition circuit containing component R12/1 (Driver ETR ignition squib is too high) | |
| 9183 R12 / 1 | Driver ETR ignition squib - Driver Seat Belt | |
| 91C0 | Event a Component of Control module WSS is Faulty | |
| 91C0-A | Component of control module WSS is faulty. (WSS - Wheel Speed Sensor) | |
| 91C3 | The resistance value in the ignition circuit containing component R12/6 (Left rear ETR ignition squib is too high) | |
| 9203 | The resistance value in the ignition circuit containing component R12/7 (Right rear ETR ignition squib is too high) | |
| 9260 | resistance in drivers airbag too high. Replace Wiring. | |
| 92E0 | Airbag control unit incorrect coding | |
| 93A0 | Airbag control unit incorrect coding | |
| 9A04 | Component Wss is incorrectly adjusted. (WSS = Wheel Speed Sensor) | |
| 9A14 | Passenger weight sensor calibration (common issue Mercedes seat weight sensor are sensitive) | |
| 9B55 | First row passenger seat belt circuit high - Bad seat belt or buckle (send belt for repair) | |
| AD52 | Airbag Control unit bad N2 / 7 (Restraint systems control unit ) | |
| B007E13 | The squib for emergency tensioning retractor driver has a malfunction | |
| B007F13 | Passenger Front Seat Belt | |
| B1000 | HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage) | |
| B1000 | SRS control module | |
| B1004 | LCP Lower Control Panel: Control unit does not match vehicle type | |
| B1044 | Front passenger AB squib 1 | |
| B1051 | Driver AB squib 1 | |
| B1056 | Automatic Air Conditioning: Problem in CAN communication with control unit DCM-RL | |
| B1064 | Circuit 15R Under or over voltage condition | |
| B1065 | Driver ETR squib (R12/1) | |
| B1066 | Left side airbag squib | |
| B1068 | Front passenger ETR squib | |
| B1069 | Right side airbag squib | |
| B1076 | Airbag - Fault in CAN communication with control unit N72/1 (upper control panel control module) | |
| B1083 | Left/right hand drive | |
| B1128 | Heater core temperature (B10/1) | |
| B1150 | Left front seat belt buckle/belt lock | |
| B1151 | Right front seat belt buckle/belt lock | |
| B1152 | Front passenger seat occupied recognition | |
| B1153 | Child seat: Communication fault, | |
| B1153 | AIRBAG OFF indicator lamp | |
| B1153 | Child seat not recognized, unknown, Child seat version code faulty, Child seat not approved | |
| B1153 | Child seat:Positioned incorrectly. Child seat:Only one transponder recognized. Child seat:"Signal" transmission fault between front passenger seat and "Babysafe" | |
| B1201 | Electric seat adjustment front left: Hall sensor front height | |
| B1213 | If seat memory installed: ext left rear view mirror voltage faulty | |
| B1214 | If seat memory installed: ext right rear view mirror voltage faulty | |
| B1226 | In-car temperature sensor (B10/4) | |
| B1227 | Outside temperature indicator temp sensor (014) | |
| B1229 | Heater core temperature (B10/1) | |
| B1230 | Evaporator temperature sensor (B10/6) | |
| B1231 | ECT sensor (B11/4) | |
| B1232 | Refrigerant pressure sensor (B12) | |
| B1233 | Refrigerant temperature sensor (B12/1) | |
| B1234 | Sun sensor (B32) | |
| B1235 | Emissions sensor (B31) | |
| B1241 | Refrigerant Fill | |
| B1246 | PTS Parktronic: A42b1 (left outer sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty | |
| B1310 | Left/Window airbag sensor is defective | |
| B1315 | Problem in Front passenger child seat recognition | |
| B1315 | Stored front passenger seat occupied and child seat recognition | |
| B1416 | Coolant circulation pump (M13) | |
| B1417 | Duovalve (Y21y1), left | |
| B1418 | Duovalve (Y21y2), right | |
| B1419 | Electromagnetic clutch (A9k1) | |
| B1420 | Idle speed increase | |
| B1421 | Pulse module (N05) | |
| B1422 | Series interface (K1) connection to instrument cluster (A1) | |
| B1423 | Switchover valve block (Y11) | |
| B1424 | Activated charcoal filler actuator (A32m2) open | |
| B1425 | Activated charcoal filler actuator (A32m2) closed | |
| B1432 | Non-USA DTC | |
| B1459 | Series interface (K2) connection to instrument cluster (A1) | |
| B1462 | Wide open throttle (WOT) position signal diesel engines | |
| B1476 | Airbag malfunction indicator and warning lamp is defective | |
| B1476 | SRS MIL | |
| B1481 | HRA: Part E2m1 (Right headlamp range adjustment motor) has short to ground | |
| B1489 | HRA: Part E2m1 (Right headlamp range adjustment motor) has open or short to positive | |
| B1492 | HRA: Part E1m1 (Left headlamp range adjustment motor) has short to positive | |
| B1522 | Driver airbag squib | |
| B1523 | Driver airbag squib | |
| B1524 | Front passenger AB squib | |
| B1525 | Front passenger AB squib | |
| B1526 | Driver ETR squib | |
| B1527 | Driver ETR squib | |
| B1528 | Front passenger ETR squib | |
| B1529 | Front passenger ETR squib | |
| B1530 | Left side airbag squib | |
| B1531 | Left side airbag squib | |
| B1532 | Right side airbag squib | |
| B1533 | Right side airbag squib | |
| B1617 | Part E19/1 (Left license plate lamp) is defective | |
| B1618 | Part E19/2 (Right license plate lamp) is defective | |
| B1628 | Part E2e5 (Turn signal lamp) in module E2 (Right front headlamp unit) is defective. | |
| B1703 | Intermittent No Start in AAM Immobiliser Module | |
| B1729 | PSE Pneumatic system door lock Control Module A37 | |
| B1736 | Navigation system's CD Player: Check General CD, Check CD data block, Flimsy CD data | |
| B1768 | Faulty open data flap limit switch (0025) Front flap | |
| B1773 | HRA: Zero position programming has not yet been carried out or is not possible | |
| B1850 | Electric seat adjustment front right: CAN communication interrupted with DCM | |
| B220700 | Internal fault in control unit Supplemental Restraint System | |
| B2735 | PASS-Key Programming Mode Active | |
| B2D97 | Airbag Control unit N2/7 (Airbag Restraint systems control unit) is defective | |
| C1000 | Traction System Control Module | |
| C1010 | Battery Voltage Low | |
| C1011 | ASR/ETS/ESP Circuit Open or Shorted | |
| C1011. | ABS Fault - valve relay under voltage | |
| C1012 | Battery Voltage High | |
| C1020 | CAN Communication Fault | |
| C1021 | CAN Communication With EA/CC/ISC Control Module Interrupted | |
| C1024 | CAN Communication With Engine Control Module Interrupted | |
| C1025 | CAN Communication BAS communication with ESP control unit faulty | |
| C1100 | Left Front Axle VSS Circuit Fault | |
| C1101 | Right Front Axle VSS Circuit Fault | |
| C1102 | ETS/ASR, ABS Left Axle VSS Circuit Fault | |
| C1103 | Right Rear Axle VSS Circuit Fault | |
| C1121 | AIRmatic: fault in component B24/3 (acceler. sensor) | |
| C1122 | AIRmatic: fault in component B24/4 (acceler. sensor) | |
| C1123 | AIRmatic: fault in component B24/6 (acceler. sensor) | |
| C1132 | AIRmatic: fault in component B22/8 (level sensor) | |
| C1133 | AIRmatic: fault in component B22/9 (level sensor) | |
| C1135 | AIRmatic: fault in component B22/3 (level sensor) | |
| C1140 | BAS light, play in steering column causes steering angle sensor to lose memory(?) | |
| C1142 | ABS Lateral Acceleration Sensor Open/Shorted | |
| C1144 | AIRmatic: fault in component B7 (pressure sensor) | |
| C1200 | Stop Light Switch Open/Shorted/Implausible | |
| C1300 | Left Front Axle Solenoid Valve (Hold) (A7/3y6) Open/Shorted | |
| C1303 | Right Front Axle Solenoid Valve (Hold) Open/Shorted | |
| C1311 | Switchover Solenoid Valve (Release) Open/Shorted | |
| C1312 | Master Cylinder Switchover Valve | |
| C1401 | High Pressure Return Pump Circuit Open/Shorted; Will Not Shut Off | |
| C1401. | Wiring or K25 Relay (see expanded description) | |
| C1501 | SPS P-Valve | |
| C1504 | BAS light, play in steering column causes steering angle sensor to lose memory(?) | |
| C1512 | Brakes Overheated | |
| C1600 | Temperature After Engine Is Turned Off | |
| N2/7 N2-7 | Airbag Control unit bad - Restraint systems control unit - No Reset - Get Part Number | |
| P0466 | Purge Flow Sensor Circuit Range/Performance | |
| P0467 | Purge Flow Sensor Circuit Low Input | |
| P0468 | Purge Flow Sensor Circuit High Input | |
| P0469 | Purge Flow Sensor Circuit Intermittent | |
| P0470 | Exhaust Pressure Sensor Malfunction | |
| P0471 | Exhaust Pressure Sensor Range/Performance | |
| P0472 | Exhaust Pressure Sensor Low | |
| P0473 | Exhaust Pressure Sensor High | |
| P0474 | Exhaust Pressure Sensor Intermittent | |
| P0475 | Exhaust Pressure Control Valve Malfunction | |
| P0476 | Exhaust Pressure Control Valve Range/Performance | |
| P0477 | Exhaust Pressure Control Valve Low | |
| P0478 | Exhaust Pressure Control Valve High | |
| P0479 | Exhaust Pressure Control Valve Intermittent | |
| P0480 | Cooling Fan 1 Control Circuit Malfunction | |
| P0481 | Cooling Fan 2 Control Circuit Malfunction | |
| P0482 | Cooling Fan 3 Control Circuit Malfunction | |
| P0483 | Cooling Fan Rationality Check Malfunction | |
| P0484 | Cooling Fan Circuit Over Current | |
| P0485 | Cooling Fan Power/Ground Circuit Malfunction | |
| P0500 | Vehicle Speed Sensor Malfunction | |
| P0501 | Vehicle Speed Sensor Range/Performance | |
| P0502 | Vehicle Speed Sensor Low Input | |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High | |
| P0505 | Idle Control System Malfunction | |
| P0506 | Idle Control System RPM Lower Than Expected | |
| P0507 | Idle Control System RPM Higher Than Expected | |
| P0510 | Closed Throttle Position Switch Malfunction | |
| P0520 | Engine Oil Pressure Sensor/Switch Circuit Malfunction | |
| P0521 | Engine Oil Pressure Sensor/Switch Circuit Range/Performance | |
| P0522 | Engine Oil Pressure Sensor/Switch Circuit Low Voltage | |
| P0523 | Engine Oil Pressure Sensor/Switch Circuit High Voltage | |
| P0530 | A/C Refrigerant Pressure Sensor Circuit Malfunction | |
| P0531 | A/C Refrigerant Pressure Sensor Circuit Range/Performance | |
| P0532 | A/C Refrigerant Pressure Sensor Circuit Low Input | |
| P0533 | A/C Refrigerant Pressure Sensor Circuit High Input | |
| P0534 | Air Conditioner Refrigerant Charge Loss | |
| P0550 | Power Steering Pressure Sensor Circuit Malfunction | |
| P0551 | Power Steering Pressure Sensor Circuit Range/Performance | |
| P0552 | Power Steering Pressure Sensor Circuit Low Input | |
| P0553 | Power Steering Pressure Sensor Circuit High Input | |
| P0554 | Power Steering Pressure Sensor Circuit Intermittent | |
| P0560 | System Voltage Malfunction | |
| P0561 | System Voltage Unstable | |
| P0562 | System Voltage Low | |
| P0563 | System Voltage High | |
| P0565 | Cruise Control On Signal Malfunction | |
| P0566 | Cruise Control Off Signal Malfunction | |
| P0567 | Cruise Control Resume Signal Malfunction | |
| P0568 | Cruise Control Set Signal Malfunction | |
| P0569 | Cruise Control Coast Signal Malfunction | |
| P0570 | Cruise Control Accel Signal Malfunction | |
| P0571 | Cruise Control/Brake Switch A Circuit Malfunction | |
| P0572 | Cruise Control/Brake Switch A Circuit Low | |
| P0573 | Cruise Control/Brake Switch A Circuit High | |
| P0574 | Cruise Control Related Malfunction | |
| P0575 | Cruise Control Related Malfunction | |
| P0576 | Cruise Control Related Malfunction | |
| P0576 | Cruise Control Related Malfunction | |
| P0578 | Cruise Control Related Malfunction | |
| P0579 | Cruise Control Related Malfunction | |
| P0580 | Cruise Control Related Malfunction | |
| P0600 | Serial Communication Link Malfunction | |
| P0601 | Internal Control Module Memory Check Sum Error | |
| P0602 | Control Module Programming Error | |
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error | |
| P0604 | Internal Control Module Random Access Memory (RAM) Error | |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | |
| P0606 | PCM Processor Fault | |
| P0608 | Control Module VSS Output "A" Malfunction | |
| P0609 | Control Module VSS Output "B" Malfunction | |
| P0620 | Generator Control Circuit Malfunction | |
| P0621 | Generator Lamp "L" Control Circuit Malfunction | |
| P0622 | Generator Field "F" Control Circuit Malfunction | |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit Malfunction | |
| P0654 | Engine RPM Output Circuit Malfunction | |
| P0655 | Engine Hot Lamp Output Control Circuit Malfucntion | |
| P0656 | Fuel Level Output Circuit Malfunction | |
| P0700 | Transmission Control System Malfunction | |
| P0701 | Transmission Control System Range/Performance</ |