Lambda sensor Mercedes-Benz ML / M-CLASS (W164) 2005–2011 ML 320 CDI 4-matic (164.122) OM 642.940

Part type

Lambda sensor

Also known as

Oxygen sensor, O2 sensor

Manufacturer

Mercedes-Benz

Model

ML / M-CLASS (W164)

Years

2005–2011

Engine

ML 320 CDI 4-matic (164.122)

Engine code

OM 642.940

SKU

9D4C4595

Lambda sensor removed from a Mercedes-Benz ML 320 CDI W164 donor vehicle (2005–2011). This oxygen sensor monitors exhaust gas composition to optimize fuel injection and emissions control. Verify OEM codes match your vehicle before ordering, as fitment varies by model year and engine variant within the W164 generation.