The impact lifted up Alonso's car, which then landed on top of Raikkonen's Ferrari as they scraped along the barriers for a few seconds.
Double world champion Hamilton picked up where he left off. His 34th career win, second in Australia, and from pole position.
Horner has laid the blame for his team's terrible start to the Formula One season with their Renault engine, describing it as "undriveable".
Felipe Nasr finished fifth and team-mate Marcus Ericsson overcame a first-lap collision and consequent extra pit-stop to finish eighth.
"Of course, it's not a victory, but for us it feels like a victory. It's a great relief after a horrible season last year," says Vettel.
Hulkenberg and Perez of Force India finished 7th and 10th respectively in the season-opening Formula One Australian Grand Prix.
Mercedes drivers Lewis Hamilton and Nico Rosberg commandeered 16 out of 19 race wins in last year's championship and 18 out of 19 poles.
Formula One's season-opening Australian Grand Prix got under way on a farcical note with only 14 cars left in the race after the opening lap.
Hamilton led from start to finish and beat Rosberg by 1.3 seconds at the Albert Park circuit, with Vettel finishing third in his first race for Ferrari.
Both Hulkenberg, who clocked a fastest lap of 1:29.208s and Perez who recored best lap of 1:29.209s, faded in Qualifying 2.
Sainz qualified 8th while his team-mate Verstappen, finished 12th and Nasr was sandwiched between the pair in 11th.
Bottas was taken to hospital suffering from back pain after qualifying for the Australian Grand Prix and could be in doubt for the season-opening race.
While Hamilton's lap was nearly six-tenths of a second ahead of Rosberg, the one-and-a-half second gap to the third-fastest, Massa was truly cavernous.
McLaren's suffered a humiliating start to the Formula One season with a woeful Australian Grand Prix qualifying session that left both cars at the back of the grid.
Hamilton set a time of 1 minute, 26.327 seconds at the Albert Park circuit, six-tenths of a second faster than team-mate Rosberg, as Mercedes locked out the front row.
Manor Marussia will watch the season-opening Australian Grand Prix from their garages after failing to make it onto the Melbourne track for qualifying.
World champion Hamilton clocked a quickest lap of one minute 27.867 seconds, opening a cavernous gap of nearly seven-tenths of a second over Ferrari's Sebastian Vettel.
Vettel's upbeat mood could not have been any different than last year, when he was struggling in his final season with Red Bull.
Booth conceded that the team were dealing with lots of different problems and time was running out for them ahead of Saturday's official qualifying session.
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