Engine temperature sensor Mercedes-Benz S-CLASS (W220) 1998–2005 S 320 CDI (220.025, 220.125) A0051531028

Part type

Engine temperature sensor

Also known as

Coolant temperature sensor

Manufacturer

Mercedes-Benz

Model

S-CLASS (W220)

Years

1998–2005

Engine

S 320 CDI (220.025, 220.125)

SKU

971834A9

OEM

A0051531028 [A 005 153 10 28]

0051531028 [005 153 10 28]

043295800362

0432958100362 [04 32 9581 00362]

Engine temperature sensor from a Mercedes-Benz S-Class W220 with the 2.2 CDI diesel engine. This sensor monitors coolant temperature and feeds data to the engine management system for fuel injection timing and emission control. OEM references are A0051531028, 0051531028, 043295800362, and 0432958100362. Verify these codes match your original unit before ordering to ensure correct fitment.