# 2020 MERCEDES-BENZ GLS 450 — VISIBILITY/WIPER
> NHTSA complaint `2212427` · 2026-06-03 · Mercedes-Benz USA, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** MERCEDES-BENZ
- **Model:** GLS 450
- **Year:** 2020
- **Manufacturer:** Mercedes-Benz USA, LLC
- **Component:** VISIBILITY/WIPER
## Narrative
AMENDMENT TO ACTIVE CASE 11723015. CRITICAL AIRBAG & SAFETY DEFECTS.  This files a safety defect amendment to open case 11723015. Diagnostic scans confirm central data bus network collapse on VIN [XXX]  has migrated into safety-critical occupant restraint and visibility modules, violating 49 U.S.C. § 30118.  I. AIRBAG & RESTRAINT HAZARDS Scans from [XXX], document active faults:  DTC U042782: "Implausible data received from Electronic Ignition Lock." The SRS module receives corrupted data from the failed ignition gateway, creating risk of airbag non-deployment.  DTC B007A13: Passenger seatbelt pre-tensioner open circuit; occupants are unprotected against crash displacement.  DTC B11FA4B: Active "Overtemperature" faults in heating elements indicate localized thermal short-circuit risk.  II. HARDWARE DECAY Physical teardown confirmed structural oxidation on the central gateway motherboard and corroded connector pins. Modular swaps failed; network lock code U016887 returned within 8 months. Raw dealer records are available for federal inspection. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · MORVS · CC0 1.0*