Mercedes-Benz C-Class W204 Bulb Sizes (2007–2014)
Quick answer: the Mercedes-Benz C-Class W204 uses H7 for both the low and the high beam on halogen headlights, and H11 for the fog lights.
Looking for the right headlight bulb for your Mercedes-Benz C-Class W204 (2007–2014)? Below you will find the bulb sizes for the low beam, high beam, fog lights and parking lights, for both halogen and xenon headlights.
This guide covers: C180, C200, C220 CDI, C250, C300, C350, C63 AMG · Sedan, Estate (S204), Coupe (C204).
Mercedes-Benz C-Class W204 bulb sizes
Halogen headlights
Low beam: H7
High beam: H7
Fog lights: H11
Parking / position lights: W5W (T10)
Xenon headlights
Low beam: D1S
High beam: H7
Fog lights: H11
Parking / position lights: W5W (T10)
Good to know
The facelift W204 (2011+) has LED daytime running lights; the low and high beam bulb sizes stay the same.
LightsUp LED bulbs for the Mercedes-Benz C-Class W204
Magic App Control LED bulbs – sizes for this car: H7, H11. colour temperature, brightness and strobe controlled from your phone, built-in CAN bus.
CORE150 LED bulbs – sizes for this car: H7, H11. very bright 6500K white, no app.
Compact 1:1 H7 LED bulbs (6000LM) – sizes for this car: H7. very compact, no external driver – fits tight headlight housings.
Xenon to LED bulbs – sizes for this car: D1S. plug-and-play LED replacement for xenon bulbs.
T10 / W5W LED bulbs – sizes for this car: W5W / T10. for parking and position lights.
Why upgrade to LED?
Much brighter, clean white light (around 6000K) instead of yellow halogen.
Instant full brightness and a much longer life than halogen bulbs.
Plug-and-play: the same base as your original H7 bulb, no cutting or wiring changes.
Built-in CAN bus on our App Control bulbs – no dashboard warnings on most cars.
Xenon headlights? Swap to LED
If your Mercedes-Benz C-Class W204 has xenon headlights, our Xenon to LED bulbs replace the D1S bulb directly – no ballast changes needed.
FAQ
What bulbs does the W204 use?
H7 low and high beam, H11 fog lights, D1S on xenon cars.
Do I need a CAN bus decoder?
Our App Control bulbs have a built-in CAN bus, so a W204 usually needs no extra decoder.
Check before you order
Headlights can differ by market (EU/US), trim, xenon or halogen, or because a previous owner fitted different lights. Please check the code printed on the base of your current bulb before ordering. Not sure? Send us a photo of your bulb to info@lightsup.pro and we will confirm the right size for you.
Other car? Use our Bulb Finder – pick your make, model and year and see the right bulbs in seconds.
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