"Two burned bodies and one injured person were found" in a car that exploded in the Shia village of al-Mughsha, west of the capital, Manama, the Interior Ministry noted on Saturday.
"Initial details indicate explosives (were) inside the" vehicle, it added.
Bahrain has been the scene of pro-democracy demonstrations since mid-February 2011. The peaceful demonstrations, however, were met with a heavy-handed clampdown by regime forces.
In March 2011, troops from Saudi Arabia and the United Arab Emirates were called in to help Manama quash anti-regime protests.
Scores of Bahrainis have been killed and hundreds of others injured and arrested in the ongoing crackdown on peaceful demonstrations.
On Friday, Abulaziz al-Abbar, 27, died after 55 days in coma from injuries he suffered during a rally held in late February in Sa’ar, a residential area west of Manama.
In Mid-February, UN Secretary General Ban Ki-moon called on the Bahraini regime to respect its “international human rights obligations” in dealing with peaceful protests in the country.
Physicians for Human Rights says doctors and nurses have been detained, tortured, or disappeared because they have "evidence of atrocities committed by the authorities, security forces, and riot police" in the crackdown on anti-government protesters.