Mercedes-Benz DTC Readout

Schema for a Mercedes-Benz Diagnostic Trouble Code readout returned by the Remote Diagnostic Support API.

AutomotiveConnected CarConnected VehicleDaimlerFleet ManagementMercedes meMercedes-BenzOEMTelematicsVehicle Data

Properties

Name	Type	Description
vehicleId	string	VIN/FIN of the Mercedes-Benz vehicle. 17-character VIN.
readoutId	string	Server-assigned identifier for this readout request.
status	string	Current readout status.
createdAt	string	Timestamp when the readout was requested.
completedAt	string	Timestamp when the readout finished (if applicable).
ecus	array	ECUs covered by the readout.
errors	array	Errors encountered during readout, if any.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/mercedes-me/main/json-schema/mercedes-me-dtc-readout-schema.json",
  "title": "Mercedes-Benz DTC Readout",
  "description": "Schema for a Mercedes-Benz Diagnostic Trouble Code readout returned by the Remote Diagnostic Support API.",
  "type": "object",
  "required": ["vehicleId", "readoutId", "status"],
  "properties": {
    "vehicleId": {
      "type": "string",
      "description": "VIN/FIN of the Mercedes-Benz vehicle. 17-character VIN.",
      "minLength": 17,
      "maxLength": 17
    },
    "readoutId": {
      "type": "string",
      "description": "Server-assigned identifier for this readout request."
    },
    "status": {
      "type": "string",
      "description": "Current readout status.",
      "enum": ["PENDING", "IN_PROGRESS", "COMPLETED", "FAILED", "TIMED_OUT"]
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the readout was requested."
    },
    "completedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the readout finished (if applicable)."
    },
    "ecus": {
      "type": "array",
      "description": "ECUs covered by the readout.",
      "items": {
        "type": "object",
        "required": ["ecuId"],
        "properties": {
          "ecuId": {"type": "string", "description": "Electronic Control Unit identifier."},
          "ecuName": {"type": "string"},
          "dtcs": {
            "type": "array",
            "description": "Diagnostic Trouble Codes reported by this ECU.",
            "items": {
              "type": "object",
              "required": ["dtcId"],
              "properties": {
                "dtcId": {"type": "string", "description": "DTC identifier (often UDS-format hex)."},
                "description": {"type": "string"},
                "severity": {"type": "string", "enum": ["INFO", "LOW", "MEDIUM", "HIGH", "CRITICAL"]},
                "active": {"type": "boolean"},
                "occurrenceCount": {"type": "integer", "minimum": 0}
              }
            }
          }
        }
      }
    },
    "errors": {
      "type": "array",
      "description": "Errors encountered during readout, if any.",
      "items": {
        "type": "object",
        "properties": {
          "code": {"type": "string"},
          "message": {"type": "string"}
        }
      }
    }
  }
}