# Service bulletin LI06.10\-P\-076023

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.

- Type: Service bulletin
- NHTSA id: 11026961
- Published by NHTSA: 2026\-01\-05
- Manufacturer's number: LI06.10\-P\-076023
- Manufacturer's date: 2026\-01\-05
- NHTSA component: ENGINE

## NHTSA's summary

Complaint Customer reports illuminated CEL. Additionally no start condition, lack of power, failure to recover from ECO stop, and/or poor acceleration. Cause • Under investigation Remedy Process FSCU and ME codes via guided test. Perform fuel pressure test on high and low pressure sides of system. Check and perform electrical testing from N118 X1 pin 1 to K40/5 S2 pin 1 Check from N118 X1 pin 2 to W10/1 with ignition on. Look for voltage drop. Check from N118 X2 pin 9 and 10 to X30/21 pin 1 and 2 and check CAN low/high voltages to see if in spec. Check for loose contacts at these pins and/or corrosion. Check resistance from N118 X1 pin 3,4,5,6 to X18/3 pin 1,4,3,2 and check for loose contacts and/or corrosion. Also pin drag and ensure within spec. Check and inspect all pins at X18/3 and perform wiggle test while monitoring AV. Ensure within spec. If all electrical tests pass. Open a TIPS case with the results from them as well as the fuel pressure tests.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11026961-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11026961-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2019 to 2024 MERCEDES\-BENZ AMG G63
- 2019 to 2025 MERCEDES\-BENZ G 550
- 2016 to 2018 MERCEDES\-BENZ G550

JSON: [/v1/bulletins/11026961](/v1/bulletins/11026961)

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