Mercedes S-Class W221 OM642 Oxygen Sensor | FEBI 177388

Mercedes S Class W221 OM642 Oxygen Sensor | FEBI 177388

FEBI 177388 | OE Equivalent | Guaranteed by German Parts Depot

FEBI 177388 is a Lambda Sensor produced for vehicles with the W221 chassis code. This part measures the oxygen content in the exhaust gases, ensuring the optimization of the fuel mixture ratio and the control of emission values. The W221 chassis was produced between 2005 and 2013 and is compatible with engine codes M272, M273, M275, M278, OM642, OM629.

Product Features and Benefits

• OEM Compatibility: FEBI 177388 is manufactured according to original equipment standards; meets authorized service criteria.
• Material Quality: Made with high-quality OE equivalent raw materials; optimized for durability and longevity.
• Performance: Provides size and functional performance compliant with manufacturer tolerances.
• Testing and Certification: Manufactured in facilities with ISO 9001 / IATF 16949 production standards.
• Warranty: Manufacturer's warranty + German Parts Depot confirmation of the correct part.

Technical Details

Vehicle Compatibility

FEBI 177388 is compatible with vehicles of the W221 chassis code. It is recommended by the manufacturer as OE equivalent quality for the following equipment/engine codes.

• Chassis code: W221
• Engine codes: M272, M273, M275, M278, OM642, OM629
• Production year range: 2005-2013
• Equipment / Variant: S350, S450, S500, S550, S600, S63 AMG, S65 AMG, S320CDI, S350CDI

It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.

Quality and Warranty

FEBI Bilstein, established in 1844 in Ennepetal, is a German brand with the widest OE equivalent catalog in Europe, offering over 30,000 part varieties.

Installation and Usage Notes

Installation should be done when cold; must be tightened to the manufacturer's torque value; pay attention to socket polarity.