The state-run China Daily said Friday that both sides could find a deal in Buenos Aires but warned the United States against pushing too hard on technology, amid USA accusations of widespread theft by Beijing.
However, Merkel's plans were disrupted by technical troubles that forced her official plane to make an emergency landing in Germany, and a spokeswoman told AFP that she would miss Friday's opening of the summit.
The official offered no details on the points of dispute, but global trade tensions, fueled by President Donald Trump's launch of a trade war against China, are expected to dominate this year's gathering of the G20, an unwieldy club of the world's industrialized countries.
Prime Minister Shinzo Abe left for Argentina on Thursday to attend a Group of 20 summit and hold bilateral meetings with the leaders of the United States, China and Russian Federation.
In a statement Wednesday, U.S. Trade Rep. Robert Lighthizer complained that China slaps 40 percent tariffs on U.S. auto imports - more than the 15 percent tariffs it imposes on other countries and the 27.5 percent U.S. tax on Chinese auto imports.
Trump has 'silent' support of world leaders to strike 'hard bargain' with China: Ex-NATO ambassador
He said the goods that would be affected represented only "a fraction of our economy" and that the USA was in "better shape to weather this than the Chinese are".
"Now, trade, climate, migrants, refugees, multilateralism, steel - which are really the thorny issues - remain without agreement".
In an interview with Argentine daily La Nacion, French President Emmanuel Macron warned against the risk of "a destructive trade war for all" emanating from the G20 discussions. But the divisions on the final communique have only highlighted how fractured the grouping has become on key global issues.
"I think we're very close to doing something with China but I don't know that I want to do it", Trump told reporters.
"The next 48 hrs will witness PM's participation at the Summit as well as in many other plurilateral and bilateral meetings on the margins of the Summit", MEA spokesperson Raveesh Kumar tweeted. Wall Street edged lower on Thursday amid jitters over Trump's meeting with Xi.
Video shows gender reveal that started Arizona wildfire
The fire spread to the nearby Coronado National Forest, and burned 46,991 acres owned by the state of Arizona . Dickey, 37, of Tucson pleaded guilty in September to having started the Sawmill Fire .
The prime minister said the participants would deliberate on the situation of the global economy and trade, worldwide financial and tax systems, the future of work, women empowerment, infrastructure and sustainable development.
Meanwhile, Canada and Mexico, two other major sources of US auto imports, are set to be exempted from any tariffs as a result of the new version of the North American Free Trade Agreement negotiated by Trump.
The United States has levied additional duties of between 10 percent and 25 percent on $250 billion of Chinese goods this year as punishment for what it calls China's unfair trade practices, with the 10 percent tariffs set to climb to 25 percent next year.
Companies reporting third-quarter results in the past month have discussed raising prices come January, especially if the higher tariffs are imposed as threatened. Prime Minister Narendra Modi is the second most searched leader on the search engine after US President Donald Trump. It is their only scheduled meeting before the end of the year.
"I'm not happy with the Fed", Trump told the Washington Post earlier this week.
Steer drawing attention among herd of cattle due to enormous size
Standing at almost two-metres tall and weighing 1.4 tonnes, "Knickers" is unofficially the largest steer in Australia. Knickers sticks out in a herd of cattle as he towers over all the other cows at his farm in Myalup.
He did not rule out a meeting with Trump.
"In relation to Mr Khashoggi, we want to see a full and transparent investigation of what happened and those responsible being held to account", she said.
When is the G20 Summit? Saudi Arabia has said the prince had no prior knowledge of the murder.
WH: Trump's Formal G-20 Meetings With Turkey, South Korea Canceled
The US president added, however, that he looked forward to a meaningful summit as soon as the Kerch strait situation is resolved. Hopes of progress over tariffs in Mr Trump's expected talks with Chinese leader Xi Jinping have been dampened.