Description
The Genuine Mercedes-Benz A1778682800 Gas Line is an original Mercedes-Benz component used in the vehicle’s gas/inerting and turbo fire-extinguisher system.
Mercedes-Benz officially lists A1778682800 as a Gas Line (Gasleitung). Parts catalogs and dismantling records associate this component with the Mercedes-Benz A-Class W177, including vehicles equipped with the M282.914 1.3L petrol engine.
The component is designed according to Mercedes-Benz OE specifications for correct routing, connections and installation within the vehicle system. It is suitable as a replacement when the original line is damaged or requires replacement.
Some parts sellers describe A1778682800 as a turbo fire-extinguisher hose/line or an inerting-system gas line.
Important: The number supplied, A177868280090, does not match the verified OE format. Please check that the actual part number is A1778682800 before publishing or ordering.
Compatibles with
- Mercedes-Benz A-Class W177
- A 160 W177 – M282.914
- A 180 W177 – M282 petrol
- A 200 W177 – M282 petrol
- Selected W177 petrol and diesel configurations
Parts records specifically associate A1778682800 with the W177 A-Class, including M282.914 1.3L applications. Other listings show the part on W177 vehicles from approximately 2018 onward.
Please verify the 17-digit VIN before purchase, because exact fitment can vary by engine, production date and vehicle equipment.

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