News New Approval – AVENO HC Synth. 5W-40 LS UN Posted on March 28, 2019March 28, 2019 by Aveno Marketing Sdn Bhd AVENO HC Synth. 5W-40 LS UN is a synthetic mid SAPS light-running engine oil for petrol and diesel engines and has the following approval: MB approval 229.51 Aveno Marketing Sdn Bhd New Approvals – AVENO FS 0W-40 and AVENO HC Synth. 5W-40 LS UN New Releases