Yes, the Quran suggests that death involves experiencing pain.
The Quranic term "ذَائِقَةُ الْمَوْتِ" (dha'iqatu-l-mawt), which translates to "tasting death," implies that every individual will experience the sensation of death, including pain (21:35). This interpretation arises from the understanding that the connection between the body and soul is profound, and their separation would naturally involve some degree of pain.
In essence, the Quran indicates that the process of death is not painless, but rather an experience involving sensation, and potentially, pain, due to the separation of the soul from the body.