A rare update was released by a lawyer for the family, Felix Damm, last year in court papers
Mr Schumacher, a seven time Formula One champion, suffered a horrific brain injury while skiing in French Alps in 2013.
After being in a coma for six months, he was eventually allowed back to home in Geneva where he has remained ver since, recuperating under strict private conditions.
Little concrete information has been released on his condition and his family fierce guard any updates on his health being made public.
But his former manager, 74-year-old Willi Weber, has claimed his family are “not telling the whole truth” about his condition.
Michael Schumacher in pictures Thu, February 4, 2016
Seven time F1 World Champion, Michael Schumacher is one of the greatest to have driven a racing car. Schumacher still remains critical after he suffered severe head injuries in a ski accident in 2013.
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Michael Schumacher presents the new Ferrari F310 in 1996
And Mr Weber has now said that he has been cut off by the champion’s family completely.
He said: “The Schumacher family seems to be afraid of me. I sent the family flowers and cards for his birthday but I got no answer. That makes me sad.
“There seems to be a fear that I would reveal something about Michael’s condition.
Ferrari has never regained the the fame and success it achieved in its heyday with Mr Schumacher
“But I would never do that. I would sign any clause of secrecy.
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“Regardless of this, I consider it only right to explain three years after his accident to his millions of fans, how he is.
“I pray for Michael. When I'm home alone and the phone rings I often feel that it will be Michael saying 'Willi, how's it going?
“Hope dies last.”
Mr Damm seemingly confirmed reports the German was at least partially paralysed.
A statement released on his condition confirmed he was “okay”
If it is not much better this season, then Vettel must go
He said: “He cannot walk.”
And the man who propelled the 48-year-old to glory seven times, Mr Weber, also threw shade on fellow racer Sebastian Vettel.
Mr Vettel’s future has been in doubt after his team boss allegedly told the winner of four titles he had to earn his place.
Little concrete information has been released on his condition
Ferrari has never regained the the fame and success it achieved in its heyday with Mr Schumacher, something which was noted by Mr Weber.
He said: “If it is not much better this season, then Vettel must go.
“Even when they [Ferrari] pour wine at lunch again, it is clear – no more.”
His comments come soon after Ferrari was forced to cancel a Pirelli wet-weather tyre test after Mr Vettel crashed a car.
He lost control of the car after doing 40 laps on the team’s Fiorana track.
A statement released on his condition confirmed he was “okay”.
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