Checking Coolant Level in your Turbo Diesel Mercedes W123
Next to oil, coolant is the most important fluid for the health of your engine. Running low on coolant can lead to serious engine damage if it overheats. Learn to check it, and check it often, to ensure you're keeping your cool.
- Author: Nicolas Siemsen
- Time estimate: 1 minute
- Difficulty: Very easy
This guide applies to later style turbo diesel engines that have a translucent plastic overflow tank for observing coolant level.
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Checking coolant level is simple of the turbo diesel cars because of the translucent overflow tank.
Find the tank, it will be on the passenger's side under the hood forward of the battery.
Now get down low and have a look at the front of the tank.
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.
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