Daimler AG, the German automobiles manufacturer for Mercedes Benz cars has certified HI-REV motor oil to be in compliance with Mercedes Benz Specifications for their cars and assemblies. HI-REV API SN 9140 : MB - Approval Certificates 229.5 (Another OEM approval has been granted under Porsche A40) HI-REV Turbo 5340 CI4 : MB - Approval Certificate 228.3 (Another OEM approval has been granted under Volvo VDS 3) The Mercedes Benz (MB) approvals is effective August 2015. HI-REV will continue to produce the highest quality of lubricants to serve the the discerning motorists.