Throughout the series, Eren specifically consumed and inherited the powers of three of the Nine Titans:
As the holder of the Founding Titan, Eren gained the ability to manipulate Titan physiology and biology. Once he convinced Ymir Fritz how did eren get the colossal titan
If you want a fun fact: The only character in the series to use both the Colossal and the Attack Titan is (in a theoretical sense, through memories), but even he never physically transformed into the Colossal. However, in the final battle of the series,
. However, in the final battle of the series, Eren was able to transform into a "Colossal" version of his Attack Titan. How Eren Achieved the Colossal Form Throughout the series
He manifested a 60-meter-tall body that shared the Colossal Titan's size and appearance—including the lack of skin and massive steam emission—but retained the signature long hair and facial features of his Attack Titan . Why He Didn't Just Eat Bertholdt Colossal Titan (Anime) | Attack on Titan Wiki | Fandom
Eren Yeager technically never inherited the power; that power was held by Bertholdt Hoover and later Armin Arlert