- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Fitting Position | Right |
| Fitting Position | Left |
| Weight [kg] | 0,415 kg |
| Timing Chain Size | Z53AI-3 |
OE numbers (12)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—278 050 37 16
- MERCEDES-BENZ—278 050 37 16 SK
- MERCEDES-BENZ—278 050 38 16
- MERCEDES-BENZ—278 050 38 16 SK
- MERCEDES-BENZ—278 993 00 78
- MERCEDES-BENZ—278 993 00 78 S1
- MERCEDES-BENZ—A278 050 37 16
- MERCEDES-BENZ—A278 050 37 16 SK
- MERCEDES-BENZ—A278 050 38 16
- MERCEDES-BENZ—A278 050 38 16 SK
- MERCEDES-BENZ—A278 993 00 78
- MERCEDES-BENZ—A278 993 00 78 S1
Where this part fits
Original-fit position for OE 2780503816.
About this product
When timing chain performance matters, the FEBI BILSTEIN 172520 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Fitting Position: Right, Fitting Position: Left, Weight [kg]: 0, 415 kg, Timing Chain Size: Z53AI-3, Number of chain links: 122. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. 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: 12100036, 12100037, 21-0621, 278 050 37 16 and 22 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive engine timing 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.
Timing Chain buying guide
Why replace this part?
Timing chains serve the same function as timing belts but are designed to last the engine's lifetime. However, chain stretch from oil starvation, worn tensioners, or failed guides can cause timing deviation, valve contact, and severe engine damage.
Signs you need a replacement
- Rattling or clattering on cold start that may disappear when warm
- check engine light with camshaft-crankshaft correlation codes
- rough running on startup
- check engine light for variable valve timing errors
When to replace
No service interval — designed for engine life. Cold-start rattle is a warning sign requiring immediate action. Regular oil changes with the correct grade are the best prevention.
About FEBI BILSTEIN
febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.
Suitable cars
Equivalent products (15)
Timing Chain FEBI BILSTEIN 172520 — compatible car models
| Car models | MERCEDES-BENZ: CLS (C218), CLS Shooting Brake (X218), E-CLASS Convertible (A207), E-CLASS Coupe (C207), E-CLASS T-Model (S212), E-CLASS (W212), GL-CLASS (X166), GLE Coupe (C292), GLE (W166), GLS (X166) (+7 more) |
|---|---|
| Engines | CLS 500 (218.373); CLS 500 (218.973); E 500 (207.473); E 500 (207.373); E 500 (212.273); E 500 (212.073); GL 450 4-matic (166.872); 500 4-matic (292.373); 500 4-matic (166.073); 500 4-matic (166.873); ML 500 4-matic (166.073); S 500 (217.482); CL 500 (216.373); S 500 (217.382); S 500 CGI (221.073, 221.173) (+2 more) |
| Year of manufacture | 2005-2020 |
| Manufacturer article number (MPN) | 172520 |
| OE part numbers | 278 050 37 16, 278 050 37 16 SK, 278 050 38 16, 278 050 38 16 SK, 278 993 00 78, 278 993 00 78 S1, A278 050 37 16, A278 050 37 16 SK, A278 050 38 16, A278 050 38 16 SK, A278 993 00 78, A278 993 00 78 S1 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 172520 . Chain Type: 6. Chain Type: 9. Fitting Position: L. Fitting Position: R. Number of chain links: 122. Timing Chain Size: Z53AI-3. Weight [kg]: 0,415 kg
- 1x Timing Chain
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 Timing Chain compatible with my car?
This Timing Chain 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 FEBI BILSTEIN Timing Chain have?
This FEBI BILSTEIN Timing Chain has the following specifications: Fitting Position: R; Fitting Position: L; Weight [kg]: 0,415 kg; Timing Chain Size: Z53AI-3; Number of chain links: 122; Chain Type: 6. Check the full specifications table above for complete details.
What OE part numbers does this Timing Chain replace?
This Timing Chain replaces OE part numbers: 278 050 37 16, 278 050 37 16 SK, 278 050 38 16, 278 050 38 16 SK, 278 993 00 78, 278 993 00 78 S1, A278 050 37 16, A278 050 37 16 SK and 4 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Timing Chain cost?
This FEBI BILSTEIN Timing Chain is available for £81.99. Timing Chain prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Timing Chain?
Timing chains are designed to last the engine's lifetime but can wear prematurely. Signs include a rattling or slapping noise from the engine on cold start, the check engine light with camshaft position error codes, or the engine running rough after extended idling.
What tools do I need to replace a Timing Chain?
Tools needed: engine timing lock set (vehicle-specific), socket set, torque wrench, camshaft holding tool, chain tensioner reset tool. Difficulty: Professional required. Safety warning: Timing chain work requires engine timing to be precisely locked before disassembly. Any error will cause major internal engine damage on first start. This job is not suitable for DIY without professional training.
Can I use this part as a replacement for OE 278 050 37 16?
Yes, this FEBI BILSTEIN Timing Chain is a direct replacement for OE part number 278 050 37 16. 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 FEBI BILSTEIN 172520 the same as the FEBI BILSTEIN 09231?
No, while both are Timing Chain parts, they are different products. The FEBI BILSTEIN 172520 has Fitting Position: R, Fitting Position: L, Weight [kg]: 0,415 kg. The FEBI BILSTEIN 09231 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.
