Service Campaign 2019030010 - Update Battery Management System (BMS) Control Unit Software (2019030010)
Reference number: 2019030010
SERVICE CAMPAIGN 2019030010 - UPDATE BATTERY MANAGEMENT SYSTEM (BMS) CONTROL UNIT SOFTWARE
SERVICE CAMPAIGN BULLETIN
| MERCEDES-BENZ: | Model smart fortwo (453 platform) vehicles Model Year 2017-2019 |
SUBJECT
Model smart fortwo (453 platform) vehicles Model Year 2017-2019
Daimler AG ("DAG"), the manufacturer of smart vehicles, has determined that on certain Model Year ("MY") 2017-2019 smart fortwo (453 platform) vehicles, the installed software for the Battery Management System ("BMS") control unit does not correspond to current production specifications. As a result, the vehicle may show an erroneous warning message alerting the driver that "Service is required". Additionally, if the message persists, the vehicle may not be able to be started.
Prior to performing this Service Campaign:
- Please check VMI to determine if the vehicle is involved in the Campaign and if it has been previously repaired.
- Please review the entire Service Campaign bulletin and follow the repair procedure exactly as described.
Approximately 2,184 vehicles are affected.
Order No. S-SC-2019030010
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.
- Use Xentry 12/18 with all associated patches or higher.
- Follow the steps exactly as described in Xentry.
- Connect battery charger (battery voltage >12.5V).
- Ensure all electrical consumers are switched-off.
- In the event of software/SCN update issues, contact Star Diagnosis User Help Desk. Please refer to the "pre-call" check list before contacting UHD
- Refer to Star Diagnosis System (SDS) Best Practices Guide.
WORK PROCEDURE
- Disable high-voltage system.
For basic data, see AR54.10-P-1160SRE.
Replace seal for the power electronics cover.
- Connect XENTRY Diagnosis.
- Update battery management system (BMS) control unit software.
To do so, select menu item "Quick test view → N82/2 - Battery management system (BMS) → Adaptations → Control unit update → Update of control unit software".
Then follow the user guidance in XENTRY Diagnosis.
- Start up high-voltage system.
For basic data, see AR54.10-P-1160SRE.
PRIMARY PARTS INFORMATION
| Qty. | Part Name | Part Number | Estimated Replacement Rate |
|---|---|---|---|
| 1 | Seal | A 453 528 03 00 | 100% |
WARRANTY INFORMATION
Operation: Connect/disconnect battery charger (02-5058)
Star Diagnosis System (SDS), Connect/disconnect (02-4762)
Update battery management system (BMS) control unit software (02-9334)
Enable/start up high-voltage on-board electrical system (02-6508)
| Damage Code | Operation Number | Labor Time (hrs.) |
|---|---|---|
| 54 903 08 8 | 02-5058 | 0.1 |
| 02-4762 | 0.1 | |
| 02-9334 | 0.1 | |
| 02-6508 | 0.9 |