Antifreeze Coolant type
Thread Starter
Junior Member
Joined: Nov 2021
Posts: 58
Likes: 13
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Antifreeze Coolant type
My C190 is low on coolant, and before buying some to top it off, I wanted to make sure I'm buying the correct one. This is where my research led me: Mercedes Benz
Will any of those be ok?
Will any of those be ok?
Super Member
Joined: Dec 2020
Posts: 564
Likes: 453
From: Germany
AMG GTR
Hi,
Normally you don't have to refill anything. The question is more like why is some water missing?
In your picture there are deposits around the lid and at the top connection. Take a look here. Maybe a pressure test?
The filler cap (Its a cheap part) has 2 valves and is often the culprit.
Best regards
Stenzel
Normally you don't have to refill anything. The question is more like why is some water missing?
In your picture there are deposits around the lid and at the top connection. Take a look here. Maybe a pressure test?
The filler cap (Its a cheap part) has 2 valves and is often the culprit.
Best regards
Stenzel
Thread Starter
Junior Member
Joined: Nov 2021
Posts: 58
Likes: 13
None
Hi,
Normally you don't have to refill anything. The question is more like why is some water missing?
In your picture there are deposits around the lid and at the top connection. Take a look here. Maybe a pressure test?
The filler cap (Its a cheap part) has 2 valves and is often the culprit.
Best regards
Stenzel
Normally you don't have to refill anything. The question is more like why is some water missing?
In your picture there are deposits around the lid and at the top connection. Take a look here. Maybe a pressure test?
The filler cap (Its a cheap part) has 2 valves and is often the culprit.
Best regards
Stenzel
Super Member
Joined: Dec 2020
Posts: 564
Likes: 453
From: Germany
AMG GTR
Hi,
The cap is often the culprit. And because it has a 2-way function (over and under pressure) it's not that easy to test.
If you “lose” water, it will probably happen slowly. You can't test this quickly.
Suggestion:
Fill the container up to the maximum mark (warm engine, be careful when opening). About 1.5 liters missing? If you don't have G40 available, just use pure water. Your antifreeze/preservation will then still be more than sufficient.
Then just swap both caps. The cap of the NTK reservoir and the cap of the coolant reservoir are the same. Then watch what happens. It's quick and doesn't cost anything.
When I said "lid is a cheap part" I didn't mean poor quality. (The cover has been around since the 1990s and is installed on almost all MBs) I thought it didn't cost much.
Part number cap is: MB A210 501 06 15
At MB about $20. Equivalent quality aftermarket from about $6
Best regards
Stenzel
The cap is often the culprit. And because it has a 2-way function (over and under pressure) it's not that easy to test.
If you “lose” water, it will probably happen slowly. You can't test this quickly.
Suggestion:
Fill the container up to the maximum mark (warm engine, be careful when opening). About 1.5 liters missing? If you don't have G40 available, just use pure water. Your antifreeze/preservation will then still be more than sufficient.
Then just swap both caps. The cap of the NTK reservoir and the cap of the coolant reservoir are the same. Then watch what happens. It's quick and doesn't cost anything.
When I said "lid is a cheap part" I didn't mean poor quality. (The cover has been around since the 1990s and is installed on almost all MBs) I thought it didn't cost much.
Part number cap is: MB A210 501 06 15
At MB about $20. Equivalent quality aftermarket from about $6
Best regards
Stenzel
