Description
The Genuine Mercedes-Benz A1774300100 Vacuum Line is an original-equipment Mercedes-Benz component used within the vehicle’s vacuum and brake-assistance system.
Mercedes-Benz officially identifies A1774300100 as a vacuum line (Unterdruckleitung). The line provides a controlled vacuum connection between the relevant vacuum system components and intake system.
Parts catalogs and vehicle records describe A1774300100 as a brake booster vacuum hose/line, with applications on selected Mercedes-Benz compact models using petrol engines.
The component is designed to maintain the correct factory routing and vacuum connection. It is suitable as an OE replacement when the original vacuum line is cracked, damaged, leaking, or requires replacement.
Important: Exact compatibility varies according to engine, model year, drivetrain and vehicle equipment. Always verify the 17-digit VIN and original OE number before ordering.
Compatibles with
Potential applications include selected:
- Mercedes-Benz A-Class W177
- A 180
- A 200
- A 250
- A 35 AMG
- Mercedes-Benz B-Class W247
- B 250
- Selected petrol models
- Mercedes-Benz CLA C118
- CLA 35 AMG
- Selected petrol models
- Mercedes-Benz GLA H247
- GLA 35 AMG
- Selected petrol models
Parts records specifically associate A1774300100 with A-Class W177, B-Class W247, CLA C118 and GLA H247 applications.
The Mercedes parts catalog also lists multiple W177 configurations, including A 160, A 180, A 200, A 220, A 250 and A 35 AMG variants.
Please verify the 17-digit VIN before purchase to confirm exact fitment.
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