<p>Renault on Sunday lodged a protest against Formula One rivals Racing Point over the legality of their cars, dubbed the 'pink Mercedes' due to alleged similarities with the world champions' cars used last season.</p>.<p>The formal protest, which was made just hours after the Styrian Grand Prix, concerns regulations concerning 'listed parts'.</p>.<p>"We confirm that Renault F1 Team has submitted a request to the stewards of the event for clarification on the legality of the Racing Point RP20," tweeted the French team.</p>.<p>"We have no further comment on this matter until the stewards have arrived at a decision."</p>.<p>In the race on Sunday, Sergio Perez and Lance Stroll finished sixth and seventh respectively in the Racing Point cars.</p>.<p>Renault's Daniel Ricciardo was eighth while teammate Esteban Ocon retired.</p>.<p>Under F1 regulations, teams must use parts that they have designed and they are barred from out-sourcing design to a competitor.</p>.<p>Sunday's protest is centred on rear brake pods used by Racing Point.</p>.<p>Parts have been seized and will now be examined and compared to those used by Mercedes last year.</p>.<p>Racing Point are using Mercedes-designed engines as well as gearboxes this season.</p>
<p>Renault on Sunday lodged a protest against Formula One rivals Racing Point over the legality of their cars, dubbed the 'pink Mercedes' due to alleged similarities with the world champions' cars used last season.</p>.<p>The formal protest, which was made just hours after the Styrian Grand Prix, concerns regulations concerning 'listed parts'.</p>.<p>"We confirm that Renault F1 Team has submitted a request to the stewards of the event for clarification on the legality of the Racing Point RP20," tweeted the French team.</p>.<p>"We have no further comment on this matter until the stewards have arrived at a decision."</p>.<p>In the race on Sunday, Sergio Perez and Lance Stroll finished sixth and seventh respectively in the Racing Point cars.</p>.<p>Renault's Daniel Ricciardo was eighth while teammate Esteban Ocon retired.</p>.<p>Under F1 regulations, teams must use parts that they have designed and they are barred from out-sourcing design to a competitor.</p>.<p>Sunday's protest is centred on rear brake pods used by Racing Point.</p>.<p>Parts have been seized and will now be examined and compared to those used by Mercedes last year.</p>.<p>Racing Point are using Mercedes-designed engines as well as gearboxes this season.</p>