October 22, 2026
What is a remanufactured car engine?October 21, 2026
What is engine assembly?The M275 was Mercedes-Benz’s top-of-the-line 60-degree V12 biturbo engine family introduced in the early 2000s to replace the naturally aspirated M137 V12 engine. Positioning of the M275.953: The M275.953 is the mid-cycle upgrade/high-output version of this engine family used in the W221-generation S 600 (as well as the C216 CL 600). Compared to the earlier W220 M275.950 version (500 PS), the M275.953 underwent tuning of the valve timing and turbocharging logic, increasing its power output to 517 PS (510 HP).
Our products are exported to various parts of the country, and the customers we have worked with have received unanimous praise. The company has invested over 20 million yuan in high-end remanufacturing equipment imported from abroad and a first-class production team in the country. Our warehouse has a total area of over 8000 square meters, with scientific management and sufficient supply of goods.

Engine Specifications:
Engine Code: M275.953 (M275 E55 AL / M275 DE 55 LA)
Cylinder Configuration: 60-degree V-type 12-cylinder (V12)
Displacement: 5.5 Liters (5,513 cc / 336 cu in)
Bore x Stroke: 82.0 mm × 87.0 mm
Intake and Fuel System: Twin-turbocharged (Biturbo) + Water-cooled intercooler + Multipoint electronic fuel injection (ME 2.7.2 / ME 9.7 ECU)
Valve Train: SOHC 36-valve (3 valves per cylinder, dual-spark plug ignition)
Block/Head Material: All-aluminum block / Aluminum cylinder heads
Compression Ratio: 9.0:1
Emissions Standards: Euro 4 / Euro 5
Fitment / Compatible Vehicles:
Mercedes-Benz S-Class:
W221 (S 600 V12 Biturbo - 2006–2013)
Mercedes-Benz CL-Class:
C216 (CL 600 V12 Biturbo Coupe - 2006–2014)
(Note: Some older W220 S600 / C215 CL600 models use the part number M275.950. Please verify the compatibility of mounting points and wiring harnesses using the VIN when purchasing.)
Common OEM / OE Part Numbers:
Long Block / Engine Assembly:
2750100400, 2750100800, 2750102100, A2750100400, A2750102100
| Model Number | 275953 |
| Place of Origin | Guangdong, China |
| Condition | Remanufactured |
| Purpose | for replace/repair |
| Type | Gas / Petrol Engine |
| Power | OEM Standards |
| Quantity (pieces) | 1 - 10 | 11 - 50 | > 50 |
| Lead time (days) | 7 | 15 | To be negotiated |
1. Our remanufactured products use accessories provided by well-known brand suppliers such as VICTORREINZ, SCHAEFFLER, KS KOLBENSCHMIDT GmbH, etc.
2. Our product quality is close to the original factory quality, but the price is only 50-60% of the original engine. We can also provide you with a one-year or 100000 kilometer warranty service for the entire machine, and professional after-sales personnel will follow up with you.
3. We have over 15 years of experience in the production and research of automotive engines, and our technical level and personnel training are very scientific and mature. Customers who have worked with us have expressed their agreement with our products and after-sales service.
4. 2018 It has achieved an annual production capacity of 2200 units and has become a major supplier of high-end engine remanufacturing and parts in China's automotive aftermarket.
5. In April 2021, T/CAAMTB passed the certification company of China Automobile Research and Huacheng. 19-2019 Certification of the management system requirements of gas vehicle parts remanufacturing enterprisesIn October 2021, he became a member of the National Green Manufacturing Technology Standardization Committee and participated in the drafting of the Technical Specification for Assembly of Remanufacturing Mechanical and Electrical Products.