SLK171 Which headlights do I have?

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Bulb has gone and its a inner wheel arch off job to replace However I need to buy the right bulb but am not sure what type I have. Can you tell from these photos? They look a little like xenons, with a white light but I am not sure.

[url=https://flic.kr/p/AL9Zvn]

[url=https://flic.kr/p/BFgdjG]

[url=https://flic.kr/p/AL3Nau]