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Details
| Specification | Value |
|---|---|
| Brand | ENGITECH |
| MPN | ent051501std |
| Cylinder Bore [mm] | 88 mm |
| Bolt Head Diameter [mm] | 30 mm |
| Bolt Length [mm] | 68 mm |
OE/OEM numbers (12)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—611 030 10 17
- MERCEDES-BENZ—646 030 01 17
- MERCEDES-BENZ—646 030 09 17
- MERCEDES-BENZ—646 030 10 17
- MERCEDES-BENZ—647 030 00 17
- MERCEDES-BENZ—647 030 01 17
- MERCEDES-BENZ—A611 030 10 17
- MERCEDES-BENZ—A646 030 01 17
- MERCEDES-BENZ—A646 030 09 17
- MERCEDES-BENZ—A646 030 10 17
- MERCEDES-BENZ—A647 030 00 17
- MERCEDES-BENZ—A647 030 01 17
Where this part fits
Original-fit position for OE 6460301017. The red ring marks where this part installs on the vehicle.

About this product
Sourced from ENGITECH, this piston (ENT051501 STD) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Cylinder Bore [mm]: 88 mm, Bolt Head Diameter [mm]: 30 mm, Bolt Length [mm]: 68 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: 0045900, 611 030 10 17, 646 030 01 17, 646 030 09 17 and 13 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ENGITECH 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.
Suitable cars
Equivalent products (5)
Piston ENGITECH ENT051501 STD — compatible car models
| Car models | MERCEDES-BENZ: C-CLASS Coupe (CL203), C-CLASS T-Model (S203), C-CLASS (W203), CLC-CLASS (CL203), CLK (C209), E-CLASS Platform/Chassis (VF211), E-CLASS T-Model (S211), E-CLASS (W211), S-CLASS (W220, V220), SPRINTER 3,5-t Bus (B906) (+20 more) |
|---|---|
| Engines | C 200 CDI (203.707); C 200 CDI (203.204); C 200 CDI (203.007); CLC 200 CDI (203.707); CLK 220 CDI (209.308); E 220 CDI (211.606); E 220 CDI (211.206); E 200 CDI (211.004); S 320 CDI (220.025, 220.125); 311 CDI 4x4 (906.731, 906.733, 906.735); 309 CDI (906.131, 906.133, 906.135, 906.231, 906.233,...; 309 CDI (906.631, 906.633, 906.635, 906.637); 316 CDI 4x4 (903.672, 903.673); 211 CDI (906.711, 906.713); 316 CDI 4x4 (903.612, 903.613, 903.622, 903.623) (+14 more) |
| Year of manufacture | 1995-2020 |
| Manufacturer article number (MPN) | ENT051501 STD |
| OE part numbers | 611 030 10 17, 646 030 01 17, 646 030 09 17, 646 030 10 17, 647 030 00 17, 647 030 01 17, A611 030 10 17, A646 030 01 17, A646 030 09 17, A646 030 10 17, A647 030 00 17, A647 030 01 17 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ENGITECH ent051501std . Bolt Head Diameter [mm]: 30 mm. Bolt Length [mm]: 68 mm. Cylinder Bore [mm]: 88 mm
- 1x Piston
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 Piston compatible with my car?
This Piston 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 ENGITECH Piston have?
This ENGITECH Piston has the following specifications: Cylinder Bore [mm]: 88 mm; Bolt Head Diameter [mm]: 30 mm; Bolt Length [mm]: 68 mm. Check the full specifications table above for complete details.
What OE part numbers does this Piston replace?
This Piston replaces OE part numbers: 611 030 10 17, 646 030 01 17, 646 030 09 17, 646 030 10 17, 647 030 00 17, 647 030 01 17, A611 030 10 17, A646 030 01 17 and 4 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Piston cost?
This ENGITECH Piston is available for £106.99. Piston prices vary depending on brand, specifications, and vehicle compatibility. ENGITECH parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Piston?
Regular inspection of your Piston 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 Piston?
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 Piston fitted by a professional mechanic.
Can I use this part as a replacement for OE 611 030 10 17?
Yes, this ENGITECH Piston is a direct replacement for OE part number 611 030 10 17. 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.
