Mercedes-Benz Oil Cooler – Part Number A2711880401

Description

The oil cooler with part number A2711880401 (also referenced as 271 188 04 01) is an engine oil cooler originally fitted to various Mercedes-Benz models equipped with the M271 engine series. Spareto+2PartSouq+2

• Function: It helps regulate engine oil temperature by transferring heat from the oil into coolant (or ambient air, depending on layout), thus maintaining optimal lubrication and engine longevity.

• This part is identified as an OE (Original Equipment) number for brands such as Mercedes‑Benz and associated manufacturing divisions (e.g., Beijing Benz Automotive Co., Ltd.) according to one parts database. Spareto

• Multiple aftermarket equivalents exist (e.g., by Febi, Nissens) under the same OE number for compatible models. PartSouq+1

Key Fitment / Compatibility Info

According to listings and part databases:

• Applicable to Mercedes-Benz models including W203, W204, W211, CL203, S203 among others. eBay+1

• Specifically compatible with M271 engine variants (e.g., C200 Kompressor, C180 Kompressor, etc) in certain model years. Ocean Car Parts+1

• Weight of the part listed approx 0.325 kg in one catalog. PartSouq

✅ Benefits of Using the Correct Part

• Ensures correct oil cooling efficiency and helps avoid oil over-heating, which is especially important for performance/supercharged engines (e.g., Kompressor models).

• Maintains OEM fit and compatibility, reducing risk of leaks or fitment issues.

• Using the genuine or correctly specified cooler helps maintain engine reliability and avoids secondary damage (gaskets, seals, oil filter housing issues).

️ Installation / Replacement Considerations

• When replacing, ensure compatibility with your exact model year, engine code, and whether the cooler is coolant-to-oil versus air-to-oil (the car’s layout).

• You’ll likely need to replace associated gaskets/seals to ensure leak-free installation.

• After installation, check for oil or coolant leaks and monitor oil temperature / pressure to confirm cooler is functioning properly.

• If the part has been in service for many kilometers or exposed to high loads (e.g., supercharged or hot climates) it’s a good preventive replacement.