How to check the coolant level in your Turbo Diesel Mercedes W123

ID: 22951

Description: This guide applies to later style turbo diesel...

Steps:

  1. Checking coolant level is simple of the turbo diesel cars because of the translucent overflow tank.
  2. Find the tank, it will be on the passenger's side under the hood forward of the battery.
  3. Step image
  4. Now get down low and have a look at the front of the tank.
  5. Note the arrow that points to a line at about the mid-point of the tank. This is the level the coolant should be at.
  6. Step image
  7. If your coolant is low, top it off with a mix of about 50/50 distilled water to coolant. Only use a proper coolant for these cars, either the Genuine Mercedes coolant or one that is specified and formulated for the application.
  8. Step image
Back