coolant temperature sensor location needed

2009 MERCEDES BENZ 300
135,000 MILES • 3.0L • V6 • 4WD • AUTOMATIC
Avatar
MROBERTS009
  • MEMBER
  • 1 POST
Where is the coolant temperature sensor on the car listed above 4matic located?
Feb 22, 2021 at 9:00 PM
Advertisement
Avatar
KASEKENNY
  • ✓ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
I am attaching all the info from the manual on this for each of the different engines in case others needs a location for a different engine.

Plus the process from the manual on this engine. Let us know if you have other questions. Thanks
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Feb 23, 2021 at 7:01 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.