Prior to the statement Ant was handed a £86,000 after he pleaded guilty to a single charge of drink driving.
The BBC reports that it is believed to be one of the biggest drink drive fines known in British legal history. The previous record was the Manchester City footballer Yaya Touré's £54,000 fine in 2016.
District Judge Barbara Barnes told Ant: "You are a well-known and successful entertainer", whose weekly income is estimated to be around £130,000 a week.
In court, Ant McPartlin - wearing a dark three-piece suit and black tie - looked down and slowly nodded a number of times as he heard that he was being fined and given a 20-month disqualification from driving.
McPartlin's barrister said his client had been seeking help for "alcohol and emotional issues" at the time of the crash, adding that his mother was in the auto with him.
I just want to say I'm truly sorry for what happened.
'Higher standards are expected of me - I expect them of myself.
When he was breathalysed by police he was found to have 75mcg of alcohol per 100ml of breath - the legal limit is 35 mcg.
In court, a letter was read out in which the presenter stated that was "ashamed and mortified" about the vehicle crash, and accepted full responsibility for what had happened.
The driver of one of the cars - named as Mr NG - told the court he thought that Ant was dead after the crash, and he came round the corner "like a rocket".
Speaking outside Wimbledon Magistrates' Court, he said: "I let myself down, I let a lot of people down".
He also acknowledge that people in the public eye should provide a positive example to others and that he had let himself "and so many others down".
The ITV presenter said outside court: "Can I say a few words?"
'I would like to apologise to everybody involved in the crash and I am just thankful that nobody was seriously hurt in this'.
"This incident happened, sadly, when it seems you suffered a brief relapse".
At the time a statement from McPartlin's publicist added: "Ant has chose to go back into treatment and step down from his current TV commitments".
After he was charged, ITV announced Ant would step down from his TV commitments on Saturday Night Takeaway, with co-presenter and BFF Declan Donnelly hosting the final two episodes of the show in Florida on his own.