# Service bulletin LI83.10\-P\-075602

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: 11003785
- Published by NHTSA: 2024\-07\-08
- Manufacturer's number: LI83.10\-P\-075602
- Manufacturer's date: 2024\-06\-06
- NHTSA component: VISIBILITY/WIPER

## NHTSA's summary

Complaint Noise can be heard coming from the air conditioning system at higher blower motor speeds. Cause Leaves/foreign objects have entered through the water drain grille in the water drain thereby causing an imbalance and noise in the blower wheel. Remedy Remove any leaves/foreign objects from the blower and interior air filter \(the blower does NOT need to be replaced\). After this, more fine\-grained grilles and sealing frames can be used that are better at filtering out leaves / foreign objects. Parts required for retrofitting: Sealing frame \(A 247 835 12 00\) Sealing frame \(A 247 835 11 00\) Plug\-in mounting \(A 000 991 56 04\) Housing cover \(A 247 830 95 03\) Housing cover \(A 247 830 63 03\) Steps: 1\- Remove windshield wiper as per the work instructions AR82.30\-P\-0001MFA 2\- Remove cover for water drain as per the work instructionsAR83.10\-P\-1411MFB 3\- Release threaded connections \(5x 10 mm, 2x 8 mm\) 4\- Fasten released part temporarily using cable tie to hood. 5\- Thoroughly clean body between fender and wiper motor then mount the sealing frame \(A 247 835 12 00\) using the self\-adhesive tape. 6\- Cut cable tie and insert plastic part again. Then thoroughly clean the area behind the mounted sealing frame. 7\- Open plastic cap on firewall then vacuum the filter using a vacuum cleaner. Then tighten the threaded connections again. 8\- Finally, insert sealing frame \(A 247 835 11 00\) and attach to body\-in\-white using plug\-in mounting \(A 000 991 56 04\) 9 \- Clean water drains. 10\- Assemble in reverse order. 11\- Place housing cover \(A 247 830 95 03\) and housing cover \(A 247 830 63 03\) on top of each other.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11003785-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11003785-9999.pdf)

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

## Components

Glass, wipers and mirrors, Wipers and washers

## Vehicles listed

- 2024 to 2025 MERCEDES\-BENZ AMG GLA 35
- 2024 MERCEDES\-BENZ AMG GLA 45S
- 2017 to 2018 MERCEDES\-BENZ AMG GLA35
- 2021 to 2023 MERCEDES\-BENZ AMG GLA35
- 2014 to 2023 MERCEDES\-BENZ AMG GLA45
- 2021 MERCEDES\-BENZ AMG GLA45 S
- 2014 to 2025 MERCEDES\-BENZ GLA 250

JSON: [/v1/bulletins/11003785](/v1/bulletins/11003785)

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