Can you die from liver failure?

Definitely: You need your liver to live. It's the master biochemist in the body; makes proteins, bile, clotting factors, detoxifies drugs, chemicals, poisons, etc. Death from liver failure usually is not pretty; can be associated with abdominal fluid collection (ascites), which can get infected, altered mental status (with or without coma), weight loss, bleeding from varicose veins of esophagus stomach, etc.

Yes: You need you liver to live? Once it fails, death may be as close as 2-3 years.