Lambda sensor Mercedes-Benz S-CLASS (W221) 2005–2013 S 400 Hybrid (221.095, 221.195) M 272.974 0035426918

Part type

Lambda sensor

Also known as

Oxygen sensor, O2 sensor

Manufacturer

Mercedes-Benz

Model

S-CLASS (W221)

Years

2005–2013

Engine

S 400 Hybrid (221.095, 221.195)

Engine code

M 272.974

SKU

9888247

OEM

0035426918

0258017014

0258017015

Lambda sensor for Mercedes-Benz S-Class (W221) 2005–2013 with S 400 Hybrid engine. This oxygen sensor monitors exhaust gas composition to optimize fuel injection and emissions control. OEM codes 0035426918, 0258017014, and 0258017015 apply to this fitment. Verify the part number against your original unit before ordering to ensure correct installation.