Its chief executive John Elkann said: "Unfortunately, what we feared has come to pass. Sergio Marchionne, man and friend, is gone".
"Marchionne wrote an important page in the history of Italian industry".
"I don't care what a tough guy he was to work for, he saved our company", said Cass Burch, a Chrysler and Jeep dealer in Georgia.
"Sergio created a remarkable legacy in the automotive industry", Mary Barra, chairman and CEO of General Motors said in a statement.
The scramble to replace Marchionne led to the resignation of a senior executive who was passed over for the top job, the people said, and exposed fissures between the Italian and North American sides of the world's seventh-largest automaker.
Born in Italy, Marchionne's family emigrated to Canada when he was 13, and he had dual-citizenship.
First news of complications with the surgery emerged on 21 July 2018, when Fiat-Chrysler and Ferrari both announced that Marchionne had been replaced in all of his positions by Brit Mike Manley.
The family's heir and company chairman Elkann, hired Marchionne at a time when Fiat had faced several years of significant losses.
Marchionne resurrected one of Italy's biggest corporate names and revitalized Chrysler, succeeding where the USA company's two previous owners - Mercedes parent Daimler and private equity group Carberus - both had failed.
An accountant and lawyer by training, Mr Marchionne joined Fiat in 2004 after the death of its patriarch Gianni Agnelli.
Former Italian Prime Minister Silvio Berlusconi: "With Sergio Marchionne, Italy loses not only the most brilliant of its managers, but one of the symbolic figures of our country". He was due to step down at Fiat Chrysler in April 2019.
The 66-year-old 'fixer, ' as he had become known, had an operation on his right shoulder last week.
Mr Marchionne was seen as the driving force behind Fiat-Chrysler's growth.
Marchionne is survived by his partner Manuela and sons Alessio and Jonathan.
Said Slagter after the punishing day: 'It was a good stage for us so we gave everything to be in the break. Thomas has said that although he would work to support Froome, he is not going to intentionally lose time.
In April, he tweeted: "Russia and China are playing the Currency Devaluation game as the USA keeps raising interest rates ". Earlier this year, he invoked national security as a justification for taxing imported steel and aluminum.
Dr Narang says Mike Pompeo's experience in North Korea indicates that the country will be working on their own timetable. Trump had said Kim promised to dismantle the engine-testing site at the Singapore Summit in June.
To celebrate the special occasion, Kate Middleton and Prince William have flown to the handsome serene beaches of Mustique. A few months after his last birthday George started his first day at school with his father, but without his mother, Kate.
Some sunshine is expected early, followed by a cloudier sky and scattered rain and storms in the early afternoon. Tropical moisture and an upper-level disturbance will result in day-to-day rain and storm chances on Monday .
A federal judge has denied a request to relocate the trial of Paul Manafort, President Donald Trump's former campaign chairman. Prosecutors have not identified the witnesses and say they have not been publicly identified with the case.
After recovering from an apparent shock moment, the Prime Minister called Gandhi back towards him and the two shook their hands. Given Modi's visible surprise, one user brought up the issue of consent and called it the "most forced hug" of all time.
Stand Your Ground became a law in 2005. 'I'm not saying I agree with it, but I don't make that call, ' the sheriff added. The Pinellas County Sheriff is not pressing charges against Drejka because of Florida's "Stand Your Ground" law .
Last month, Washington's threat of sanctions sent oil prices surging, and U.S. crude spiked 3.5% to about $70.50 a barrel. The EU fears that billions of dollars' worth of trade could be jeopardised as a result of Washington's new sanctions.
Trump blames ‘double negative’ for furor over Putin meeting
The president's tumultuous trip across Europe, historians say, smashed the conventions of American leaders on the world stage. Lindsey Graham, a Republican from SC , said he was happy to hear that Sanders had clarified Trump's comment.
Trump and Putin meet for high-stakes summit
At the time, Flake tweeted that the indictments reaffirmed that Russian Federation interfered with the elections. He also says that Russian Federation is a foe "in certain respects" and that China is a foe "economically".