MANN’s early W204/S204 C180, C200 and C250 CGI applications use C 3210 engine air filters and HU 514 y oil filters in its 2024–26 catalogue. Its current HU 514/1 y page also names those applications. FP 29 005/1 is a documented right-hand-drive cabin option. Spark-plug evidence is narrower: the inspected NGK catalogue supports named C180 and C250 entries, while C200 CGI needs separate confirmation.
Coverage: early 1,796 cc petrol C180, C200 and C250 CGI BlueEFFICIENCY in the W204 saloon and S204 estate. This guide excludes the Kompressor engines, later 1.6-litre M274 C180, CDI diesels and V6 models. Check engine identity before applying a specification.
Match these early CGI applications
| Early CGI application | MANN engine entry | Output |
|---|---|---|
| C180 1.8 CGI; 204.049/249 | M271.820; 1,796 cc | 115 kW / 156 hp |
| C200 CGI; 204.048/248 | M271.820/860; 1,796 cc | 135 kW / 184 hp |
| C250 CGI; 204 series | M271.860; 1,796 cc | 150 kW / 204 hp |
MANN lists these separately from Kompressor engines, later 1.6-litre C180 and CDI diesels. For a kit, match each component to the exact application rather than accepting a broad “W204 service kit” label.
Engine air filter: MANN C 3210
The manufacturer’s current C 3210 page names all three covered CGI applications. It is the engine intake filter, separate from the filter cleaning air entering the cabin.
Affiliate links: as an Amazon Associate, Unusual Cars earns from qualifying purchases.
Search Amazon for MANN C 3210 air filtersThis searches the named reference. Confirm the complete part number and application on the individual listing; unrelated filters can appear in the same results.
Oil filter: HU 514 y and the current /1 reference
The printed MANN CGI rows list HU 514 y. Its current HU 514/1 y application page also explicitly lists the covered C180, C200 and C250 CGI entries.
Retain the complete reference when asking the supplier what it currently supplies for your car. Two matching application pages are not by themselves a universal supersession statement.
In particular, do not discard the final letter. The printed catalogue separately lists HU 514 x against several Kompressor applications. “HU 514” alone is not enough information to compare those products.
For eBay browsing, add or select the exact vehicle, then check the listing’s complete reference and compatibility details. Ask the seller to resolve any conflict before purchasing.

The graphic is an affiliate category link; the displayed results are not all verified as suitable. Use our CGI engine-oil guide for the separate oil approval and capacity checks.
Cabin filter: FP 29 005/1 for a covered RHD car
MANN’s current page lists FP 29 005/1 for all three early CGI applications with right-hand drive as a condition. It is a FreciousPlus biofunctional cabin filter.
Search Amazon for MANN FP 29 005/1 cabin filtersThe printed catalogue distinguishes FP 29 005 for left-hand drive from FP 29 005/1 for right-hand drive. Keep that suffix when comparing a UK car’s listing. An imported left-hand-drive car needs its own check.
Spark plugs: what the inspected NGK rows support
| Covered NGK 204-series entry | Reference and stock number | Quantity |
|---|---|---|
| 1.8 C180 entry including M271.820 CGI | PLKR7B8E / 94716 | 4 |
| 1.8 C250 BlueEfficiency; M271.860 | PLKR7B8E / 94716 | 4 |
| C200 CGI M271.820/860 | Confirm the exact application individually | No recommendation made here |
NGK’s C180 row groups M271.952 and M271.820 with CGI/Kompressor wording; only the named M271.820 CGI application is used here. Its C250 row explicitly names M271.860.
The C200 row instead names M271.950 and includes an engine-number condition. That does not establish a plug for the C200 CGI engines in our table. Have NGK or a supplier confirm the exact car before ordering; a neighbouring model’s plug is not sufficient evidence.
For the supported C180/C250 entries, compare the cost for four plugs and check whether an offer supplies one plug or a set. Follow the relevant installation instructions; this guide does not provide tightening torques or a gap-adjustment procedure.
Choose parts against the work actually due
A catalogue application is a fitment reference, not a renewal interval. Compare the kit with the applicable service requirements and the previous renewal dates. Keep filter and plug references on the invoice so the next service does not start with the same uncertainty.
The CGI maintenance guide explains using the reminder and record together. If parts are proposed to cure a running fault, ask for the diagnostic reason separately from routine servicing.
Explore the Mercedes maintenance hub and the Mercedes diagnostic scanner guides for separate fault-finding questions.
Manufacturer sources and limits
- MANN C 3210, MANN HU 514/1 y and MANN FP 29 005/1: current exact applications.
- MANN 2024–26 catalogue, printed page 207 / PDF page 263: CGI and Kompressor branches, visually checked.
- NGK UK 2024 catalogue, printed page 45 / PDF page 47: C180/C250 support and C200 limitation, visually checked.
Checked 20 October 2026. Catalogue date ranges are not UK registration cut-offs or service intervals. C200 CGI plug fitment remains unconfirmed here.

