# Service bulletin LI54.18\-P\-067550

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: 11026596
- Published by NHTSA: 2025\-12\-12
- Manufacturer's number: LI54.18\-P\-067550
- Manufacturer's date: 2025\-12\-06
- NHTSA component: SUSPENSION; ELECTRICAL SYSTEM; ENGINE

## NHTSA's summary

Complaint \<p\>ESP®, BAS, PRE\-SAFE®, HOLD function, Hill\-Start Assist, ESP® trailer stabilization, Adaptive Brake Lights, Lane Keeping Assist, Blind Spot Assist, Adaptive Brake Assist, and/or ATTENTION ASSIST may be temporarily unavailable. The brake system continues to operate with normal effectiveness. The support functions listed may be unavailable, but are available again after an ignition off/on cycle.\</p\>\<p\>One or more of the faults listed under 'Control unit/ fault code' for the accelerator pedal \(B37\) is logged in the PTCU control unit \(N127\). Consequential faults may have been logged in the ESP control unit.\</p\> Cause \<p\>Resistance at accelerator pedal contacts.\</p\> Remedy \<p\>The remedy refers only to the model series listed and is not compatible with other published TIPS documents for other model series.\</p\>\<p\>If all the test steps stored in XENTRY Diagnosis have been performed and no component faults were found, the following work must be carried out:\</p\>\<p\>\- Replace the connector/ feed line to the accelerator pedal sensor \(B37\) using the wiring harness repair kit \(see parts table\).\</p\>\<p\>Please ensure that the twisted lines are untwisted as little as possible.\</p\>\<p\>Please do not replace any other components \(e.g. accelerator pedal sensor\).\</ p\>\<p\> \</p\>\<p\>Reoccurrence of the problem:\</p\>\<p\>If the fault occurs again, or if this is a reoccurrence of the same problem, please make sure that the line connectors between the repair wiring harness and the interior wiring harness are fitted correctly and that the solder has dispersed evenly. In case of doubt, please repeat the repair. If the problem reoccurs after the second repair attempt, please create a TIPS case with informative photos of all line connectors.\</ p\>\<p\> \</p\>\<p\>Information on alternative to repair wiring harness:\</p\>\<p\>If there should be any supply bottlenecks with regard to the repair wiring harness, then the contact sockets on the accelerator pedal sensor can be replaced as an alternative.\</ p\>

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026596-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026596-9999.pdf)

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

## Components

Electrical system, Engine, Suspension

## Vehicles listed

- 2017 to 2018 MERCEDES\-BENZ AMG E43
- 2019 to 2023 MERCEDES\-BENZ AMG E53
- 2023 MERCEDES\-BENZ AMG E63 S
- 2018 to 2022 MERCEDES\-BENZ AMG E63S
- 2021 to 2022 MERCEDES\-BENZ AMG GLE53
- 2023 to 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+
- 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+ COUPE
- 2021 to 2022 MERCEDES\-BENZ AMG GLE63 S
- 2023 to 2024 MERCEDES\-BENZ AMG GLE63 S 4MATIC\+
- 2025 MERCEDES\-BENZ AMG GLE63 S 4MATIC\+ COUPE
- 2020 to 2022 MERCEDES\-BENZ AMG GLS63
- 2026 MERCEDES\-BENZ AMG GLS63
- 2023 to 2025 MERCEDES\-BENZ AMG GLS63 4MATIC\+
- 2018 to 2019 MERCEDES\-BENZ E 300
- 2020 to 2023 MERCEDES\-BENZ E 350
- 2018 MERCEDES\-BENZ E 400
- 2019 to 2024 MERCEDES\-BENZ E 450
- 2025 MERCEDES\-BENZ E 450 4MATIC
- 2024 to 2025 MERCEDES\-BENZ E 450 4MATIC ALL\-TERRAIN
- 2016 to 2017 MERCEDES\-BENZ E300
- 2020 to 2024 MERCEDES\-BENZ GLE 350
- 2024 to 2025 MERCEDES\-BENZ GLE 350 4MATIC
- 2020 to 2024 MERCEDES\-BENZ GLE 450
- 2025 MERCEDES\-BENZ GLE 450 4MATIC
- 2025 MERCEDES\-BENZ GLE 450 4MATIC COUPE
- 2024 to 2025 MERCEDES\-BENZ GLE 450E 4MATIC
- 2020 to 2021 MERCEDES\-BENZ GLE 580
- 2022 to 2024 MERCEDES\-BENZ GLE 580 4MATIC
- 2020 MERCEDES\-BENZ GLS 450
- 2022 to 2025 MERCEDES\-BENZ GLS 450 4MATIC
- 2020 MERCEDES\-BENZ GLS 580 4MATIC
- 2022 to 2025 MERCEDES\-BENZ GLS 580 4MATIC
- 2023 MERCEDES\-BENZ GLS 600
- 2021 MERCEDES\-BENZ GLS450
- 2021 MERCEDES\-BENZ GLS580
- 2021 MERCEDES\-MAYBACH GLS 600
- 2022 to 2025 MERCEDES\-MAYBACH GLS 600 4MATIC

JSON: [/v1/bulletins/11026596](/v1/bulletins/11026596)

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