According to the company, the model now comes with high speed warning and seat belt reminder systems across all its variants.
The reform seeks to generate a corporate model with checks and balances to ensure a strong management at Nissan.
Finance Minister Bruno Le Maire said that a merger would be "a real opportunity for the French auto industry" as it would bring the flagship brands as well as Alfa Romeo, Jeep, Maserati and Dacia.
Media reports suggest that the Tokyo District Court had retracted the plan without proposing a new time frame.
Prosecutors quickly appealed the court's decision, delaying his immediate release but public broadcaster NHK said he could walk out of his detention centre "as early as Thursday".
It is believed that Ghosn ad used the money from Nissan for his personal investments into 30 companies.
Prosecutors suspect that Carole Ghosn's company used the money partly to fund the purchase of a luxurious yacht mainly for their family's use.
Ghosn, who cannot be officially removed from his seat on the board without an extraordinary shareholders' meeting, is preparing his defence against charges of financial misconduct.
Instead of a suit, Ghosn, who was flanked by guards, left the prison wearing a blue cap, a white medical face mask and a work jacket with orange reflective stripes.
Though prosecutors appealed against the decision to grant Ghosn bail, Ghosn is banned from leaving Japan and must adhere to conditions aimed at preventing him from fleeing or destroying evidence.
The acceptance of Ghosn's request for bail, his third, came a day after one of his lawyers said he was confident the auto executive would gain his release.
The former Nissan executive has been in detention since November 19 and faces three charges including under-reporting his compensation and attempting to shift losses to his employer's books.
Former head of the alliance Ghosn is being held in Japan on charges he under-reported millions of dollars in pay as head of Nissan.
The car giant announced in 2016 that it planned to build the model at its plant in Sunderland, but will now assemble it instead at Nissan's global production hub in Kyushu, Japan.
The alliance company aims to get 10 percent of employees trained in the first year.