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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Number of pins | 2 -pin connector |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—166 320 01 04
- MERCEDES-BENZ—A166 320 01 04
Where this part fits
Original-fit position for OE 1663200104. The red ring marks where this part installs on the vehicle.

About this product
TOPRAN Compressor Compressed Air System (410 704) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Spring Type: Steel, Supplementary Article/Supplementary Info: 772, Supplementary Article/Supplementary Info: 774, Number of pins: Aluminium -pin connector, Supplementary Article/Info 2: 695 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with MERCEDES-BENZ vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 001-10-17811, 0197120, 02.30.143, 02.30.921 and 66 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive replacement 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 from our UK warehouse with a 30-day money-back guarantee and free 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 (73)
Show all 73 OE numbers
Compressor Compressed Air System TOPRAN 410 704 — compatible car models
| Car models | MERCEDES-BENZ: GL-CLASS (X166), GLE Coupe (C292), GLE (W166), GLS (X166), M-CLASS (W166) |
|---|---|
| Engines | GL 350 CDI / BlueTec 4-matic (166.823, 166.824); 350 d 4-matic (292.323, 292.324); 250 d (166.006); 350 d 4-matic (166.824); ML 250 CDI / BlueTEC 4-matic (166.004, 166.003) |
| Year of manufacture | 2011-2019 |
| Manufacturer article number (MPN) | 410 704 |
| OE part numbers | 166 320 01 04, A166 320 01 04 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 410704 . Number of pins: 2 -pin connector. Spring Type: 1. Supplementary Article/Info 2: 256. Supplementary Article/Info 2: 695. Supplementary Article/Supplementary Info: 772. Supplementary Article/Supplementary Info: 774
- 1x Compressor Compressed Air System
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Compressor Compressed Air System compatible with my car?
This Compressor Compressed Air System 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 Compressor Compressed Air System have?
This TOPRAN Compressor Compressed Air System has the following specifications: Spring Type: 1; Supplementary Article/Supplementary Info: 772; Supplementary Article/Supplementary Info: 774; Number of pins: 2 -pin connector; Supplementary Article/Info 2: 695; Supplementary Article/Info 2: 256. Check the full specifications table above for complete details.
What OE part numbers does this Compressor Compressed Air System replace?
This Compressor Compressed Air System replaces OE part numbers: 166 320 01 04, A166 320 01 04. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Compressor Compressed Air System cost?
This TOPRAN Compressor Compressed Air System is available for £196.99. Compressor Compressed Air System 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 Compressor Compressed Air System?
Regular inspection of your Compressor Compressed Air System 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 Compressor Compressed Air System?
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 Compressor Compressed Air System fitted by a professional mechanic.
Can I use this part as a replacement for OE 166 320 01 04?
Yes, this TOPRAN Compressor Compressed Air System is a direct replacement for OE part number 166 320 01 04. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
