Earlier on Sunday, Mercedes non-executive team chairman Niki Lauda said that he expected Nico Rosberg's replacement to be announced before the end of the year.
The 31-year-old Mercedes driver just won his first Drivers' championship title on Sunday at the season finale Abu Dhabi Grand Prix.
The three-time world champion Briton took to Twitter on Wednesday to ease any lingering tension between the two men.
Nico Rosberg will start the defence of his Formula One world title in Australia on March 26.
Hamilton won 10 out of 21 races this season - the first time a driver has won more than seven and not ended up as champion -to Rosberg`s nine.
The Italian Grand Prix was first held at Monza in 1921 and is the oldest race on the calendar.
Hamilton ignored two instructions from the team to increase his speed at the front, but was unable to create a situation in which Rosberg could be attacked and passed.
Hamilton`s gamesmanship was questioned by his employees after he twice rejected team instructions to speed up as Rosberg came under threat from Ferrari`s Sebastian Vettel.
Hamilton twice rejected team instructions to speed up as Rosberg came under threat from Ferrari`s Sebastian Vettel.
Rosberg concluded the longest season in the sport`s history with a nail-biting second place after leader and ultimate race winner Hamilton had slowed the field to create a difficult finish.
It is Briton Hamilton`s 12th pole of the season, a personal record, his third in Abu Dhabi and the 61st of his career.
Hamilton, who is 12 points adrift ahead of the final leg of the 21-race season, must win and hope that Rosberg finishes outside the top three.
Germany was listed on a provisional 21-race 2017 schedule with an asterisk, along with Canada and Brazil.
McLaren last had a title sponsor in 2013, when a deal with Vodafone expired.
Ecclestone has described Formula One`s first night race, which started in 2008 and snakes past Singapore landmarks, as a "crown jewel" of the sport.
Brown, who previously worked with McLaren on sponsorship deals, said in a statement issued Monday: "I`m immensely proud to be joining McLaren Technology Group.
The most dangerous batsman was always Sachin. He handled and absorbed pressure really well and the way he played.