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Discussion Starter #1
Today I got a low coolant level warning in my w210 that still has the m104 engine.

When I checked, the reservoir was empty, and I noticed what seemed like a gold sparkly powder lining some of the reservoir.

I was able to scrap some off with my finger, and it was literally like 14k gold sludge of some sort.

I am sure this is something bad. It runs fine, doesn't run hot, and only has 125k miles on it.

Any advice for me? I appreciate any help!
 

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I would suspect that a previous owner added a bottle of Barr's Stop Leak or a similar "magic in a bottle" product to avoid actually fixing the problem.

I would add some distilled water and coolant (Zerex G05 only) to the reservoir to get the level correct. Fully warmed up, the coolant level should be about midway in the reservoir. Dive the car as you normally would but start keeping an eye out for signs of the leak source. Check the back of the head, cylinders 5/6 passenger side for signs of a head gasket leak.

Report back

Jayare

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