Malesela was forced out of the technical team during a stretch of last season following a poor run of results, but was brought back at the death and managed to regain Mpengesi's trust as the team narrowly survived relegation.
Chippa have since recruited heavily, bringing in the likes of goalkeeper Brighton Mhlongo, defender James Okwuosa, midfielders Kurt Lentjies and Mark Mayambela, and striker Moeketsi Sekola.
Malesela told the club's website: “There was a lot of communication between the chairman and I during the off-season about the type of players we needed to bring in to strengthen the team this season.
“We have already apologised to the supporters for what they had to go through last season and with this team we are confident that we will not go through the same situation as last season.”
The Chilli Boys opened their Premiership campaign with a 1-0 loss to Orlando Pirates in Soweto over the weekend. Malesela's charges will aim to bounce back tonight when they host topflight returnees AmaZulu at Nelson Mandela Bay Stadium (19h30). The visitors edged Free State Stars 1-0 in their first game of the season.
“On Tuesday we must fix the individual mistakes we committed against Orlando Pirates,” said Malesela.
“We do not want a team to come to the Nelson Mandela Bay Stadium and leave with points. We are aware that we are going to meet a lot of teams this season that would prefer to sit back and try to catch us on the counter.”
The former Pirates captain added: “We are meeting a team that is high on confidence following their win against Free State Stars.
“I am not going to speak for them though, this is our home game. The first one for the season and the focus is on our game and our objectives. We need to put pressure on them and see if they are going to crack.”
Malesela appealed for the side's fans to make their presence felt in Port Elizabeth.
“It is our first home game of the season and we would like the supporters to come in numbers and welcome the new players.
“Their support carried us through last season during good and challenging times and it would good to see them in full song on Tuesday in the blue and white of Chippa United.”