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MERCEDES-BENZ A-CLASS (W177) Light Bulb Sizes

Below is a list of light bulb types used in 2018- MERCEDES-BENZ A-CLASS lighting system, covering hatchback and saloon 4-door vehicles.

Front exterior lights

Headlight bulb: low beam - H7 / high beam - H7

Rear exterior lights

Rear indicator/turn signal bulb: PY21W

Back-up light bulb: W16W


Light bulb sizes for other MERCEDES-BENZ A-CLASS generations: A-CLASS (W169) / A-CLASS (W176)