So here I was playing Nader on Underground and during a battle in the central room around the first objective, I rushed an Aura who was close to her station behind the counter. There, I got killed, immediately activated martyrdom before I could be gibbed, the martyrdom grenade exploded, but neither the station nor the Aura got any damage, although they were right no top of it.
Now the grenade either clipped in the station or in the counter. I think the first option though. Nonetheless, I was kinda going for the suicide bomber technique and it sucked to see it fail because of no fault of mine.