Technical Service Bulletin LI82.27-P-072402 — 2021 MERCEDES-BENZ E 450
BACK OVER PREVENTION
Bulletin Details
| TSB ID | LI82.27-P-072402 |
| Manufacturer | |
| Vehicle | 2021 MERCEDES-BENZ E 450 |
| Component | BACK OVER PREVENTION |
| Communication Date |
Bulletin Summary
If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being started, an audible humming noise may emit from the speakers. New sound amp (N40/3) software is currently in development. This document will be updated once it is released. Meanwhile, avoid toggling the drive program or the exhaust flap with 10 seconds of an engine start to avoid the possibility of the complaint occurring. Note: Do not replace any parts as this will not remedy the complaint
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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