Mercedes-Benz E250 Headlight Bulb Size

Mercedes-Benz E250 high beam headlight bulbs utilize an H7 size specification. The replacement chart covers 2014 to 2016 vehicle production years with corresponding bulb size data.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

High Beam Headlight

Years	Bulb Type	Shop
2014-2016	H7	Check Price

Bulb Specifications

Description	Type	Shop
ECE standard (Europe & worldwide). Single-filament halogen bulb with PX26d base. Also approved in the US and Japan. 12V, 55W.	H7	Check Price

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Additional Notes

The H7 is a single-filament halogen bulb operating at 12 volts and 55 watts, fitted with a PX26d base. It conforms to the ECE standard, which governs lighting regulations across Europe and numerous other markets worldwide, and holds approval in the United States and Japan as well.
The Mercedes-Benz E250 uses the H7 bulb for the high beam headlight position across the 2014-2016 model years.
The PX26d base is a keyed, two-pin connector design. The keying prevents incorrect orientation during installation, which is a relevant consideration given that single-filament halogen bulbs are sensitive to filament positioning relative to the reflector.
Because the H7 is a single-filament bulb, it serves only one lighting function per unit. In a dual-beam headlight system, a separate bulb handles the low beam function rather than a shared filament within the same envelope.
The ECE approval of the H7 means the bulb meets photometric and safety requirements recognized across a broad range of international markets, while its additional US and Japanese approvals extend its regulatory acceptance beyond the ECE zone.