LI54.10-P-076742
Service Bulletin Details
Public Details for: LI54.10-P-076742
The red battery light in the instrument cluster lights up while driving. Voltage drop in alternator / battery / chassis main circuit.
- 2021 - 2020 - 2019 - 2018 - 2017 - 2016 -
Models from 2021
| 2021 MERCEDES-BENZ AMG GT |
| 2021 MERCEDES-BENZ AMG GT C |
Models from 2020
| 2020 MERCEDES-BENZ AMG GT |
| 2020 MERCEDES-BENZ AMG GT C |
| 2020 MERCEDES-BENZ AMG GT R |
| 2020 MERCEDES-BENZ AMG GT S |
Models from 2019
| 2019 MERCEDES-BENZ AMG GT |
| 2019 MERCEDES-BENZ AMG GT C |
| 2019 MERCEDES-BENZ AMG GT R |
| 2019 MERCEDES-BENZ AMG GT S |
Models from 2018
| 2018 MERCEDES-BENZ AMG GT |
| 2018 MERCEDES-BENZ AMG GT C |
| 2018 MERCEDES-BENZ AMG GT R |
| 2018 MERCEDES-BENZ AMG GT ROADSTER |
| 2018 MERCEDES-BENZ AMG GT S |
| 2018 MERCEDES-BENZ AMG GTA |
Models from 2017
| 2017 MERCEDES-BENZ AMG GT |
| 2017 MERCEDES-BENZ AMG GT C ROADSTER |
| 2017 MERCEDES-BENZ AMG GT S |
Models from 2016
| 2016 MERCEDES-BENZ AMG GT |
| 2016 MERCEDES-BENZ AMG GT S |
Red battery warning message in IC Topic number LI54.10-P-076742 Version 1 Function group 54.10 - Battery, power supply, voltage converter Date 7/25/23 Validity All GT (190). Reason for change Complaint The red battery light in the instrument cluster lights up while driving. Cause Voltage drop in alternator / battery / chassis main circuit. Attachments File Description Not_ok_1.JPG Ground connection not permissible. Not_ok_2.JPG Ground connection not permissible. 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG HENRAND Page 1 / 6 Not_ok_3.JPG 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG Ground connection not permissible. HENRAND Page 2 / 6 Not_ok_4.JPG 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG Ground connection not permissible. HENRAND Page 3 / 6 Not_ok_5.JPG 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG Ground connection not permissible. HENRAND Page 4 / 6 Grounding locations M178_BR190_engl.pdf Remedy - Check ground points per the pictures/guide in the attachments - Test the state of charge of the battery. Replace if necessary - Check fuse box f32/2 for water, oxidation or damage - Check alternator / alternator management for correct functionality via Xentry - Update front and rear SAM If the complaint persists after performing the checks/replacements above, read out the on board electrical system data and open a TIPS case with the results/pictures of the checks performed. Attachments File Description OK_after_treatment.JPG OK condition. 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG HENRAND Page 5 / 6 Massenstellen.pdf Guideline for ground checks. WIS-References Document number Title Note PE07.08-P-2101HBA Wiring diagram for gasoline direct injection control unit Reference document for conducting tests. Symptoms Overall vehicle > Power supply > Battery/On-board electrical system > Battery/on-board electrical system indicator lamp > Battery charge indicator/consumer shutoff > Illuminates red Parts Part number ES1 ES2 Designation Quantity Note EPC A0009826205 Starter battery 1 X A0009061705 Alternator 1 X A2125407150 Fuse box (F32/3) 1 X Operation numbers/damage codes Op. no. Operation text 25.07.2023 17:32:59 © Copyright Mercedes-Benz AG Time HENRAND Damage code Note Page 6 / 6