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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Height 1 [mm] | 40 mm |
| Height 2 [mm] | 40 mm |
| Length 1 [mm] | 193 mm |
| Length 2 [mm] | 196 mm |
| Width 1 [mm] | 179 mm |
| Width 2 [mm] | 145 mm |
OE numbers (8)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—203 830 03 18
- MERCEDES-BENZ—203 830 04 18
- MERCEDES-BENZ—203 830 05 18
- MERCEDES-BENZ—203 830 21 18
- MERCEDES-BENZ—A203 830 03 18
- MERCEDES-BENZ—A203 830 04 18
- MERCEDES-BENZ—A203 830 05 18
- MERCEDES-BENZ—A203 830 21 18
Where this part fits
Original-fit position for OE 2038300518.
About this product
Sourced from TOPRAN, this filter set cabin air (400 204) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Height 1 [mm]: 40 mm, Height 2 [mm]: 40 mm, Shape: 44, Length 1 [mm]: 193 mm, Length 2 [mm]: 196 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit MERCEDES-BENZ models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 001-20-01858, 012 320 0012/S, 02.59.131, 059 and 91 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive filtration components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (93)
Show all 93 OE numbers
Filter Set Cabin Air TOPRAN 400 204 — compatible car models
| Car models | MERCEDES-BENZ: C-CLASS Coupe (CL203), C-CLASS T-Model (S203), C-CLASS (W203), CLK (C209), CLK Convertible (A209) |
|---|---|
| Engines | C 160 Kompressor (203.730); C 180 (203.235); C 180 (203.035); CLK 200 CGI (209.343); CLK 200 Kompressor (209.442) |
| Year of manufacture | 2000-2011 |
| Manufacturer article number (MPN) | 400 204 |
| OE part numbers | 203 830 03 18, 203 830 04 18, 203 830 05 18, 203 830 21 18, A203 830 03 18, A203 830 04 18, A203 830 05 18, A203 830 21 18 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 400204 . Filter type: 66. Filter type: 8. Filter type: 9. Frame Material: 6. Height 1 [mm]: 40 mm. Height 2 [mm]: 40 mm. Length 1 [mm]: 193 mm. Length 2 [mm]: 196 mm
- 1x Filter Set Cabin Air
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Filter Set Cabin Air compatible with my car?
This Filter Set Cabin Air fits MERCEDES-BENZ vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this TOPRAN Filter Set Cabin Air have?
This TOPRAN Filter Set Cabin Air has the following specifications: Height 1 [mm]: 40 mm; Height 2 [mm]: 40 mm; Shape: 44; Length 1 [mm]: 193 mm; Length 2 [mm]: 196 mm; Width 1 [mm]: 179 mm. Check the full specifications table above for complete details.
What OE part numbers does this Filter Set Cabin Air replace?
This Filter Set Cabin Air replaces OE part numbers: 203 830 03 18, 203 830 04 18, 203 830 05 18, 203 830 21 18, A203 830 03 18, A203 830 04 18, A203 830 05 18, A203 830 21 18. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter Set Cabin Air cost?
This TOPRAN Filter Set Cabin Air is available for £25.99. Filter Set Cabin Air prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Filter Set Cabin Air?
Regular inspection of your Filter Set Cabin Air is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Filter Set Cabin Air?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Filter Set Cabin Air fitted by a professional mechanic.
Can I use this part as a replacement for OE 203 830 03 18?
Yes, this TOPRAN Filter Set Cabin Air is a direct replacement for OE part number 203 830 03 18. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the TOPRAN 400 204 the same as the TOPRAN 112 296?
No, while both are Filter Set Cabin Air parts, they are different products. The TOPRAN 400 204 has Height 1 [mm]: 40 mm, Height 2 [mm]: 40 mm, Shape: 44. The TOPRAN 112 296 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
