Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Service Campaign 2013050002 - Update Engine Control Module Software (2013050002)
Reference number: 2013050002
SERVICE CAMPAIGN 2013050002 - UPDATE ENGINE CONTROL MODULE SOFTWARE
SERVICE CAMPAIGN BULLETIN
| MERCEDES-BENZ: | Model 166, with Engines 276, 157 Model Years 2012 |
SUBJECT
Model 166, with Engines 276, 157 Model Years 2012
Update Engine Control Module Software
This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the engine control module software does not correspond to current production configuration. An authorized Mercedes-Benz dealer will update the engine control module software at the next workshop visit.
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 5292 vehicles are affected.
PROCEDURE
- Use DAS/Xentry 07-08/13 with all associated patches or higher.
- Follow the steps exactly as described in DAS/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.
- Refer to Star Diagnosis System (SDS) Best Practices Guide.
- Connect Star Diagnosis to vehicle.
- Update engine control module software: Control units / Drive / MED 17.7 / Control unit adaptations / Control unit programming.
- Follow on-screen instructions.
- Please verify ME software number change after performing the software update.
- Please note that after ME programing some values are stored in ME in the after run process when CAN network is asleep. If for any reason CAN might be awake, values for throttle positions or FSCU values might not be stored in the ME.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.