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Mercedes-Benz W204 Headlamps: Replacement and Fitment Checks

For a W204 headlamp, establish the exact C-Class variant, model year and side before comparing assemblies. Vehicle-specific fitment is more useful than a broad W204 label.

A headlamp W204 search usually means a Mercedes-Benz C-Class W204 replacement assembly, rather than a wearable torch. Before selecting a unit, check the car's exact variant and production details, whether you need the left or right side, and the lamp technology listed for that vehicle.

Mercedes-Benz W204 Headlamps: Replacement and Fitment Checks

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Questions before you buy

How do I find the correct W204 headlamp?

Use the vehicle identification details and compare the replacement supplier's compatibility list, side and part number. Confirm the match against the existing unit or a Mercedes-Benz parts source.

Are all Mercedes W204 headlamps interchangeable?

No single broad chassis label establishes interchangeability. Variant, year, lamp specification and side can affect fit, so verify the exact assembly before ordering.

Can I replace a W204 headlamp myself?

The work depends on access and the vehicle's procedure. Follow the workshop guidance for your exact car and have the beam alignment checked after replacement.

Does a replacement headlamp need beam adjustment?

Check alignment after fitting. Incorrect aim can affect visibility and other road users, and the UK MOT inspection manual includes headlamp aim checks.