# Service campaign NCU \- 2024110007

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 campaign
- NHTSA id: 11011845
- Published by NHTSA: 2024\-12\-16
- Manufacturer's number: NCU \- 2024110007
- Manufacturer's date: 2024\-12\-13
- NHTSA component: STRUCTURE:BODY; POWER TRAIN

## NHTSA's summary

Mercedes\-Benz AG \(“MBAG”\), the manufacturer of Mercedes\-Benz vehicles, has determined that on certain MY 2020\-2024 CLA and GLA \(118 and 247 platform\) vehicles, the rear axle flex disk may not correspond to current specifications. In this case, the flex disk may have been exposed to high temperatures from the exhaust system. As a result, the connecting screws could tear loose from the flex disk, resulting in knocking noises from the rear axle. MBUSA will conduct a service campaign. An authorized Mercedes\-Benz dealer will replace the flex disk and install an additional heat shield.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011845-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011845-9999.pdf)

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

## Components

Body and frame, Transmission and driveline

## Vehicles listed

- 2020 to 2024 MERCEDES\-BENZ AMG CLA35
- 2020 to 2024 MERCEDES\-BENZ AMG CLA45
- 2024 MERCEDES\-BENZ AMG GLA 35
- 2024 MERCEDES\-BENZ AMG GLA 45S
- 2021 to 2023 MERCEDES\-BENZ AMG GLA35
- 2020 to 2023 MERCEDES\-BENZ AMG GLA45
- 2021 MERCEDES\-BENZ AMG GLA45 S
- 2020 to 2024 MERCEDES\-BENZ CLA 250
- 2020 to 2024 MERCEDES\-BENZ GLA 250

JSON: [/v1/bulletins/11011845](/v1/bulletins/11011845)

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