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I tried Motul 8100 X-Power 10W-60 for about 20 miles in my '99 Mercedes S500. I don't recommend it. It made the ticking sound much worse. I currently have Quaker State Euro 5w-40. Very smooth oil but there's still a ticking at 1000 rpm. I'm thinking about switching to Ravenol VST 5W-40. I hear...

How did your M119 react to the LM 20W-50 MoS2 mineral? I've been using LM 5W-40 Leichtlauf High Tech in my '99 W140 S500. No valve ticking noise at idle but there's a valve ticking noise while driving. I need to switch to something else. I used LM 10W-40 MoS2 in my '97 Isuzu Trooper because...