WenmarOpen by Wenmar Pro

Service bulletin LI00.01-P-078887

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019746
Published by NHTSA2025-06-26
Manufacturer's numberLI00.01-P-078887
Manufacturer's date2025-06-17
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster quick reference. • Platform to baumuster quick reference. Cause Information only Remedy Acronyms: • AV = Actual Values • CU = Control Unit • CUL = Control Unit Log • DTC = Diagnostic Trouble Code • E-Stand = Fresh-up head unit boot software (found in head unit control unit log) • FUP = Fresh-up • FW = Firmware • HSVL = High Speed Video Line • HU = Head Unit • HW = Hardware • IPD = Injector Performance Data • ISU = Initial Start Up • LVDS = Low Voltage Differential Signal • NSFT = Not Safe For Transport • MOPF = Model Facelift (Ex: 167 MOPF) • PiH = Plug-in Hybrid • P3 Hybrid = AMG Plug-in Hybrid with rear drive unit • SA Code = Sonderausstattungscode (Option Code) • SCN = Software Calibration Number SW = Software • TCU = Telecommunication Control Unit (Hermes/Ramses/Etc...) • QT = Quicktest • XD = XENTRY Diagnosis Control Unit Identification: Refer to the attachment "Control Unit Nomenclature" for location of each. • Control Unit Name • Control Unit Number • Control Unit Short name • Control Unit Diogenes ("dy-oj-uh-neez") name - Control unit variant/family. Network/Wiring Architecture to Baumuster Quick Reference: MFA = "Mercedes-Benz Frontwheel Architecture" • 117 • 156 • 246 MFA2 = "Mercedes-Benz Frontwheel Architecture - Generation 2" • 118 • 177 • 243 • 247 EVA1.5 = "Electric Vehicle Architecture" • 243 EVA2 = "Electric Vehicle Architecture - Generation 2" • 294 • 295 • 296 • 297 MSA = "Mercedes-Benz Sport Architecture" • 192 • 232 MMA = "Mercedes-Benz Modular Architecture" • 174 Star 1 • 117, 156, 246 (MFA) • 166, 176, 221, 242, 246, 292 Star 2 • 205, 213, 238, 253, 257, 290 (MRA) • 117, 156, 246 (MFA) • 118, 177, 243, 247 (MFA2) • 167, 222, 292, 463, 465, 906 Star 3 • 294, 295, 296, 297 (EVA2) • 206, 214, 223, 236, 254 (MRA2) • 192 and 232 (MSA) • 907 Platform to Baumuster Quick Reference: MRA = "Mercedes-Benz Rearwheel Architecture": • 205 • 213 • 222 • 238 • 253 • 257 • 290 MRA2 = "Mercedes-Benz Rearwheel Architecture - Generation 2": • 206 • 214 • 223 • 236 • 254 MFA = "Mercedes-Benz Frontwheel Architecture" • 117 • 156 • 246 MFA2 = "Mercedes-Benz Frontwheel Architecture - Generation 2" • 118 • 177 • 243 • 247 EVA1.5 = "Electric Vehicle Architecture" • 243 EVA2 = "Electric Vehicle Architecture - Generation 2" • 294 • 295 • 296 • 297 MSA = "Mercedes-Benz Sport Architecture" • 192 • 232 MMA = "Mercedes-Benz Modular Architecture" • 174

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
MERCEDES-BENZ A 2202019 to 2022
MERCEDES-BENZ AMG A352020 to 2021
MERCEDES-BENZ AMG C432023 to 2024
MERCEDES-BENZ AMG C63 S E2024
MERCEDES-BENZ AMG CLA352020 to 2024
MERCEDES-BENZ AMG CLA452020 to 2024
MERCEDES-BENZ AMG CLE532024
MERCEDES-BENZ AMG E532019 to 2023
MERCEDES-BENZ AMG EQE2023 to 2024
MERCEDES-BENZ AMG EQE SUV 4MATIC2024 to 2025
MERCEDES-BENZ AMG EQS2022 to 2024
MERCEDES-BENZ AMG GT2017, 2018, 2019, 2020, 2021
MERCEDES-BENZ AMG GT C2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT R2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT S2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT552024 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT632024 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT63 S E2025 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ C 3002022 to 2025
MERCEDES-BENZ CLA 2502020 to 2024
MERCEDES-BENZ E 3502024 to 2025
MERCEDES-BENZ E 350 4MATIC2025
MERCEDES-BENZ E 4002018
MERCEDES-BENZ E 4502019 to 2020
MERCEDES-BENZ E 450 4MATIC2025
MERCEDES-BENZ E 450 4MATIC ALL-TERRAIN2025
MERCEDES-BENZ EQE 350+2023 to 2024
MERCEDES-BENZ EQE 500 4MATIC2023 to 2024
MERCEDES-BENZ EQE SUV 350+2023 to 2025
MERCEDES-BENZ EQE SUV 500 4MATIC2023 to 2025
MERCEDES-BENZ EQS 450 4MATIC2023 to 2024
MERCEDES-BENZ EQS 450+2022 to 2024
MERCEDES-BENZ EQS 580 4MATIC2022 to 2023
MERCEDES-BENZ EQS SUV 450 4MATIC2023 to 2025
MERCEDES-BENZ EQS SUV 450+2023 to 2025
MERCEDES-BENZ EQS SUV 580 4MATIC2023 to 2025
MERCEDES-BENZ GLE 450 4MATIC2025
MERCEDES-MAYBACH EQS SUV 680 4MATIC2024 to 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.