Check engine light illuminates
Mercedes-Benz technical service bulletin LI15.40-P-073663 for 2021 Mercedes-Benz S 580 and 2021 Mercedes-Maybach S 580.
- Bulletin number
- LI15.40-P-073663
- Component
- Engine
- Summary
- Complaint Check engine light illuminates. No driveability complaint. Fault codes U0115 and U0168 stored in ISA control unit Cause ISA control unit software Remedy Clear fault codes and perform a test drive. If fault does not return and no other symptoms present the vehicle can be returned to the owner. These fault codes will not lead to driveability complaint. After 3 drive cycles the check engine light is turned off. SW 20.B version includes solution for this complaint and has been released
Owners of these vehicles have filed 8 complaints in the engine category.
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