Note:
 Preliminary steps must be performed in order to update BMS.
 When all steps have been performed the green indicator is displayed.

1.5. Select: "Select Firmware" (circled, Figure 4).

Figure 4

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1.6. Manually select the correct Fimware:
 Navigate the following path: Desktop>ESS firmware update Battery>1.3.9
 Select the displayed file and with confirm with OK (circled, Figure 5).

Figure 5
1.7. Start automatic update: Select: "Update FW" (circled, Figure 6).

Figure 6
Note:
 When automatic update process begins the indicator bar (arrow) in the update field displays the update
progress.
 The percentage value may be displayed in the lower left.
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15






To check whether the update was successful, please check the firmware versions for BMS and BMB.
Following the update, the version information must be as follows:
Current version BMS: 1.3.9.80
Current version BMB: 1.6.0.43
After the update has completed there may be a pop-up message indicating 3 requirements that have to
be full filled if the car was going to be driven at this stage. Ignore this message, just confirm by
clicking: OK.

2. Update on-board charger (OBC/OBL)
2.1. Start the "Tesla Battery & Charger FW Update Tool v2.0.8.81"
Note:
The application should still be open, otherwise re-launch the Tesla tool.
Important:
The 12 V battery charger must remain connected to the vehicle.

Figure 7

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Figure 8
A: HV charging cable
B: USB connector
C: 9 pin traction drive diagnostic socket

2.2 Preliminary steps:
Connect serial connector (arrow, Figure 8) of traction drive diagnostic cable
(20-040-0551) to serial port on laptop then connect the round pinned connector end of the traction drive
diagnostic cable to the vehicle’s 6 pin EV diagnostic socket (circled).
 Connect black HV charging cable (A) to vehicle.
 Ignition: ON.
Note:
 Preliminary steps must be performed in order to update On-board charger.
 When all steps have been performed the green indicator is displayed:

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2.3. Select "Select Firmware" button (circled, Figure 9).

Figure 9
2.4. Manually select the correct Fimware:
 Navigate the following path: Desktop>ESS firmware update>Charger>02xx Teslaupdate>**A)
 Select File: CHG Metro xxx-xxx v15.00-12.teslaupdate and confirm with OK (circled, Figure 10)

Figure 10

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2.5. Select "Update FW" (circled, Figure 11)
Note:
The programming will start.

Figure 11
Note:
 If 02.12 is already installed, a “no newer firmware found” message pops-up and you are complete with
this update step.
 When automatic update process begins the indicator bar (arrow) in the update field displays the update
progress.
 The percentage value may be displayed in the lower left.
 To check whether the update was successful, please check the firmware versions for CHG1 and CHG2
as well as the set current intensity.
 Following the update, the version information must be as follows:
Current version CHG1: 15.00
Current version CHG2: 02.12
 After the update has completed there may be a pop-up message indicating 3 requirements that have to
be fulfilled if the car was going to be driven at this stage. Ignore it, just confirm by clicking OK.
Important: Depending on the country of use, the respective valid charging current version must be set based
on the charging current. As ** 08 stands for 8 A, 12 for 12 A or 13 for 13 A.
CHG1 15.00
Charging current: 12A, CHG1 15.00/CHG2 02.12.

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3. Update of the control units relevant for drives (OVERSEER, EDCM, EVCM)
Sequence
1
2
3

Modules
EDCM (Electric Drive Control
Module)
OVERSEER
EVCM (Electric Vehicle Control
Module)

Release
2E1EU or 2E1US
2E1EU or 2E1US
2E1EU or 2E1US

The US variant is valid for:
USA, Canada and Singapore
The EU variant is valid for:
All other countries

Turn ignition switch: On.
3.1. Start Zytek diagnosis computer (if not already connected), connect the round pinned connector end of the
diagnostic cable (2 0-040-0551) to vehicle’s 6-pin EV diagnostic socket (circled, Figure 8).
 The serial port connector of diagnostic cable 2 0-040-0551 should be already connected to serial port
of laptop (refer to Figure 8).
 Make sure that the connection is not interrupted during the programming operation.
 The 12 V battery charger must remain connected to the vehicle.
3.2 Double click the "C507_EVCM_2E1" shortcut (arrow Figure 12) on the computer’s desktop to open the
calibration tool.

Figure 12
3.3. Erase the fault memory (Functions>OBD Menu>Reset all DTCs) and confirm with: YES
Note:
Where applicable, enter additional information on the vehicle if this is prompted by pop-up message.

Figure 13

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20

3.4. Close the calibration tool.
3.5. Connect cables:
 Connect traction drive diagnostic cable (2 0-040-0551) to vehicle’s 9-pin diagnostic socket (refer to Figure
8).
 Connect serial port connector of diagnostic cable (2 0-040-0551) to serial port of laptop (refer to Figure
8).
3.6. Double click the "EDCM 2E1" shortcut (arrow Figure 14) on the computer’s desktop to open the
calibration tool.

Figure 14
3.7. Log in (Access>Enter Password Level) and enter the user data:
User = Daimler; Password = 451ed

Figure 15
3.8 Click on "ECM-Button"

Figure 16

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21

3.9. Select the 2E1 (arrow, Figure 17) software and confirm with 'GO' and then with: YES.

Figure 17
Note:
 The update process now starts (can be recognized on the progress bar).
 After a successful update process, the "Reconfigured successfully" message is shown.
3.10. Close the calibration tool.
3.11. Double click on the "Overseer 2E1" shortcut (arrow Figure 18) on the computer’s desktop to launch the
calibration tool.

Figure 18
3.12. Log on to the tool: Access>Enter Password Level and enter the user data:
User = Daimler; Password = 451ed.
3.13 Click on "ECM-Button" (on the upper left corner area of the screen).

Figure 19

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3.14. Select the 2E1 software (arrow, Figure 20) and confirm with: 'GO' and then with : 'YES'

Figure 20
Note:
 The update process is now starting (can be recognized on the progress bar).
 After a successful update process, the "Reconfigured successfully" message is shown.
3.15. Close the calibration tool.
3.16. Turn OFF the ignition and wait until the illumination in the instrument cluster goes out (the control unit
performs a reset) then turn the ignition back ON.
3.17. Connect traction drive diagnostic cable (2 0-040-0551) to vehicle’s 6-pin diagnostic socket (Refer to
Figure 8).
Note:
The other serial port connector of diagnostic cable 2 0-040-0551 should be already connected to serial
port of laptop (refer to Figure 8)
3.18. Double click on the "EVCM 2E1" shortcut on the desktop (arrow, Figure 21) to open the calibration tool.

Figure 21
3.19. Log onto the tool: Access>Enter Password Level and enter the user data:
User = Daimler; Password = 451ed
3.20. Click on: "ECM-Button"

Figure 22

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23

3.21. Select the 2E1 software and confirm with 'OK'.
3.22. Select the US (arrow, Figure 23) for the country version then confirm your selection with: GO and then
with YES.

Figure 23
Note:
 The update process now starts (this can be recognized on the progress bar).
 After a successful update process, the "Reconfigured successfully" message is displayed.
3.23. Close the calibration tool.
3.24. Turn OFF the ignition and wait until the illumination in the instrument cluster goes out.
Note:
The control unit performs a reset.
3.25. Erase all fault codes, otherwise “check engine light” may illuminate.

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C. Fasten Wiring Harness with Cable Tie
1. Open tail gate.
2. Open service flap and place outside of vehicle.
3. Attach cable tie to cable harness in front area (see area A, Figure 24)
Note:
Ensure that sufficient space is left between the cable set and shield (see area B, Figure 24) along the
entire length (contact with the wiring harness must not occur here).
4. Close service flap and trunk.

Figure 24
A: Cable tie
B. Shield

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Special tools
Quantity
1
1

Designation
Zytek Diagnosis Tool*
Diagnostic cable for high-voltage battery
(order once for each repair workshop with VIN)

Part No.
W 451 589 09 63 00

* Update is only possible if the latest software is installed on the Zytek Diagnosis Tool – refer to subject A

Special Tools

2 0-040-0552

2 0-040-0551
Diagnostic cable for traction drive

Diagnostic cable for OBD socket w/USB
adapter

Primary Parts Information
Qty.
Part Name

Part Number

1

A 002 997 24 90

Cable tie

W 451 589 09 63 00
Diagnostic cable for high-voltage battery

Estimated Replacement
Rate
100%

Note:
The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Operation: Update Electric Drive Software (02 7465)
Attach cable tie at wiring harness (02 7464)
Damage Code
54 954 32 7
1)

Operation Number
02 7465
02 7464

Labor Time (hrs.)
0.9
0.1

Use vehicle VIN when submitting warranty claim.

SM-SC-2011120006

Model Indicator(s)
Not Available 1)