Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mercedes Benz >> 1997 >> SL320 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing - Gasoline >> Engine Sensors & Switches >> Coolant Temperature Sensor

Coolant Temperature Sensor

COOLANT TEMPERATURE SENSOR SPECS (ME-SFI 2.3L & 3.2L) (1)

Coolant Temperature (2) Ohms
68°F (20°C) 3100
176°F (80°C) 315
(1) Specifications may vary slightly.
(2) Some models use a 4-pin sensor. Measure across 2 terminals diagonally.
COOLANT TEMPERATURE SENSOR SPECS (ME-SFI 4.2L & 5.0L) (1)

Coolant Temperature Ohms
68°F (20°C) 2500
176°F (80°C) 325
(1) Specifications may vary slightly.