Author Topic: What is this for??  (Read 1797 times)

TJMart

  • Full Member
  • Silver
  • ****
  • USA, NC, Matthews
  • Posts: 371
What is this for??
« on: January 09, 2023, 21:49:07 »
What is this for? 1970 280 SL. I thought it was for the dash temp gauge.

Thanks

Tony
Tony
1970 280SL, 4 Speed

Cees Klumper

  • Full Member
  • Platinum
  • ******
  • USA, CA, Fallbrook
  • Posts: 5720
    • http://SL113.org
Re: What is this for??
« Reply #1 on: January 09, 2023, 22:47:53 »
Does look like it has to be a coolant temperature sensor.
Cees Klumper
1969 Mercedes 280 SL automatic
1968 Ford Mustang 302 V8
1961 Alfa Romeo Giulietta Sprint Coupe 1600
1962 FIAT 1500S OSCA convertible
1972 Lancia Fulvia Coupe 1.3
1983 Porsche 944 2.5
1990 Ford Bronco II

Jonny B

  • Pagoda SL Board
  • Platinum
  • ******
  • USA, CA, San Marcos
  • Posts: 4198
Re: What is this for??
« Reply #2 on: January 10, 2023, 02:58:18 »
That is the 100C sensor for the later model cars with the emission reduction systems.

Here is the link with the detailed information, plus additional links with photos of the components of the system:
https://www.sl113.org/wiki/Electrical/EmissionControlSystem#Operation
« Last Edit: January 10, 2023, 03:03:06 by Jonny B »
Jonny B
1967 250 SL Auto, DB 568
1970 280 SL Auto, DB 904
1966 Morris Mini Minor

TJMart

  • Full Member
  • Silver
  • ****
  • USA, NC, Matthews
  • Posts: 371
Re: What is this for??
« Reply #3 on: January 10, 2023, 18:38:38 »
Thanks Jon!
Tony
1970 280SL, 4 Speed