2005 C220 CDI approaching 150k.
Thinking about using Slick50 on next oil change, any thoughts..??
Also, in all your opinions what is the best engine oil to use, I've been using castrol Magnatec...
Thanks.. ☺
Just taken my car in for an mot. All good sailed though. BUT while I was there the technician commented on the engine being noisy... its always had that sound??. Any way he said to use slick50 on it. Have done some reading up and the majority of people say don't use it. So is there any other...