# Service bulletin LI83.40\-P\-071168

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: 10177556
- Published by NHTSA: 2020\-07\-27
- Manufacturer's number: LI83.40\-P\-071168
- Manufacturer's date: 2020\-06\-16
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

In some operating statuses, a low\-frequency \(approx. 140 Hz\) humming noise may be heard in the air conditioner housing. The air flow may be causing the seals of the flaps in the air distributor housing to vibrate. The air distribution box must be replaced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177556-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177556-9999.pdf)

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

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 2020 MERCEDES\-BENZ AMG GLE43
- 2020 MERCEDES\-BENZ GLE 350
- 2020 MERCEDES\-BENZ GLE 450

JSON: [/v1/bulletins/10177556](/v1/bulletins/10177556)

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