Benzema has been linked with a move to United, following the departures of Cristiano Ronaldo and Carlos Tevez this summer.
“He is with us, but nobody knows what will happen,” Lacombe told Progres.
“We didn’t think Michael Essien would leave at the time, but when Chelsea arrived with the cheque…
“If United, who as we know have plenty of cash available, came and said we want to buy Benzema, what can you do? Not much.”