Why does my Mercedes Benz lose coolant over time?

Why does my Mercedes Benz lose coolant over time?

Your Mercedes-Benz will lose a little bit of coolant here and there over time due to evaporation from the reservoir. However, a significant loss of coolant over a very short period of time almost certainly signifies a leak in the system. Sometimes a leak can be seen when you park the car overnight.

Is it safe to use Mercedes Benz coolant?

Coolants that do not specifically state the correlating Mercedes-Benz coolant quality specification (Example: MB 325.0) for your engine should never be used. These coolants typically are either missing or may contain additives that could have a negative reaction to the engines cooling system.

What causes a radiator to leak on a Mercedes Benz?

This eating away of the metal can cause coolant system leaks, and in particular, radiator leaks around aluminum welds. Cast-iron components are also vulnerable, but typically the aluminum metal parts fail first. On Mercedes-Benz in particular, electrolysis can be easily seen attacking aluminum cylinder heads.

When to remove coolant cap on Mercedes Benz?

Never remove the coolant expansion tank cap when the engine is hot. If the coolant expansion tank cap is removed while the engine is hot you will be exposed to hot coolant antifreeze that could burn you cause bodily injury. Always check to see what type of coolant is in your Mercedes when the engine has cooled or cold.)

What causes vacuum leak in Mercedes Benz W210?

Vacuum leaks can sometimes cause poor running conditions. Here’s an article going over the most common leaks with the M104 engine in your W210 Mercedes-Benz. The fuel pressure regulator keeps a constant pressure on the fuel rail. If your regulator fails, here’s how to change it out.

Can a Mercedes Benz e300td CLK320 be changed?

Changing the cabin air filter in your CLK-Class is literally a snap with our handy replacement guide. Everything you need to know to replace the fuel injectors in your CLK320 is outlined in this technical article. The fuel sending unit in your E300D can sometimes fail, but do not fret!

Is the mass air flow sensor on the Mercedes-Benz W210 failing?

The mass air flow sensor on the W210 is notorious for failing. Replacement is just a 15 minute job with this handy technical article. Over time, fuel injectors can get clogged and stop working. Here’s a helpful article showing you how to remove them (complete with pictures too!).

How to change differential fluid on Mercedes W210?

One of the easiest tasks to perform on your W210 is to change the differential fluid, but just in case you need a bit of guidance, be sure to read this article first. These flex discs crack and fail all the time. The good news is that replacement is relatively easy! Check out this article for detailed instructions on this procedure.