Mercedes-Benz C-Class Cabin Filter — Size, Type & Replacement (2021–2025)

Cabin Filter Specifications

Parameter Specification
Filter Type Activated Carbon
MANN-FILTER Reference CUK 29005
Dimensions 282 x 206 x 35 mm
Change Interval Every 20,000 miles / 12 months
Recommended Part MANN CUK 29005
Hay fever tip: If you suffer from allergies, change your cabin filter at the start of spring (March) for maximum protection during pollen season. An activated carbon filter provides the best defence.

Recommended Cabin Filters for Mercedes-Benz C-Class

MANN-FILTER CUK 29005

Activated carbon | OE quality | 282 x 206 x 35 mm
From ~£12

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Bosch FILTER+ Cabin Filter

Activated carbon | Antibacterial | Fits Mercedes-Benz C-Class
From ~£10

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Mahle LAK Cabin Filter

Activated carbon | German engineering | Direct fit
From ~£11

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Frequently Asked Questions

What cabin filter does a Mercedes-Benz C-Class use?

The Mercedes-Benz C-Class (W206) uses a activated carbon cabin filter. The MANN-FILTER reference is CUK 29005. Dimensions: 282 x 206 x 35 mm.

How often should I change the cabin filter on a Mercedes-Benz C-Class?

Every 20,000 miles or 12 months, whichever comes first. Change more frequently if you drive in urban areas or suffer from hay fever.

What’s the difference between standard and activated carbon cabin filters?

Activated carbon filters absorb harmful gases, exhaust fumes, and odours in addition to trapping pollen and dust. Standard particle filters only catch physical particles. Your Mercedes-Benz C-Class uses an activated carbon filter as standard.

Can I change the cabin filter on a Mercedes-Benz C-Class myself?

Yes — cabin filter replacement is one of the easiest DIY jobs. It’s typically located behind the glovebox. Open or remove the glovebox, slide out the old filter, and insert the new one with the airflow arrow pointing down.

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