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2018 MERCEDES-BENZ GLS 450 — ENGINE

fire · 2154580 · 2025-12-05

Vehicle

Make
MERCEDES-BENZ
Model
GLS 450
Year
2018
Manufacturer
Mercedes-Benz USA, LLC
Component
ENGINE

Severity

Deaths
0
Injured
0
Fire
Yes
Crash
No
Police report
No
Medical attention
No
Vehicle towed
No

Narrative

January 2023 - Airbag suspension failed. Replaced by Mercedes dealership. December 2024 - Airbag suspension failed. Replaced by Mercedes dealership. April 2024: First brake failure. The brakes stopped while driving. Repaired. April 2025: Second brake failure. Brakes failed again. Repaired. The mechanic stated the line was too close to the wheelbase, resulting in a pinpoint-sized hole. No warning lights. July 2025: Engine failure - the vehicle experienced a complete shutdown while driving with no warning lights. Vehicle in shop for 6-8 weeks for engine replacement by certified Mercedes mechanic. Post-engine replacement (July - Nov 2025) - Severe oil leaks at left cylinder head, small leaks at right cylinder head. Coolant warnings and overheating despite adequate coolant. Radiator and vent line issues. Active Brake Assist Limited warning appeared. Late November - Vehicle emitted smoke and experienced a small engine fire, observed under hood after stopping. Mercedes dealership deemed car unsafe to drive. During engine replacement wood pieces were found where destroyed motor mounts should have been. Multiple issues with no notice or warning lights.

Source

Authoritative
NHTSA ODI Flat-File Downloads
ODI Number
11703281
Machine
JSON-LD · Markdown