Merecer means "to deserve." It's a word that carries significant weight and often prompts reflection on actions and consequences.
In the song, Christian Nodal opens by questioning if he merece el cielo (deserves heaven) due to his past mistakes. This immediately sets a reflective and somewhat vulnerable tone, making the word stand out as he grapples with his worthiness in the context of love and redemption.
Christian Nodal's "Contigo Al Cielo" is such a sweet song about finding heaven right here on Earth, with the person you love! He starts by admitting he's not perfect, singing, "No sé si merezca el cielo / Porque me he portado mal" [I don't know if I deserve heaven / Because I've behaved badly]. He even wonders if God might just look the other way for him!
But then he realizes something amazing: with this special person, he's already found his paradise. He sings, "Contigo, el cielo me dieron / Contigo, aquí todo lo tengo / Mami, tú eres mi cielo" [With you, they gave me heaven / With you, I have everything here / Mommy, you are my heaven]. It's like he hit the lottery without even playing, because this person brought light into his life that nothing can put out. He's saying that even if he gets shut out of actual heaven, he won't be mad because he's got all the heaven he needs right there with them.