Daimler's trucks business is not in a rush to excercise an option to raise its 10% stake in Russia's Kamaz to a 25% and one share blocking minority, its chief executive has said.

"This could happen in two months or two years," Andreas Renschler told Reuters on Thursday in Stuttgart. "We are in no hurry."

More important than the size of the stake is the access to the Russian market via the Kamaz dealer network that Daimler's Mercedes-Benz and Fuso brands get through their planned joint ventures with the Russian truckmaker.

Speculation has repeatedly surfaced that Daimler would expand its stake after it first scaled back plans to buy an interest in Kamaz.

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