Wrong oil in my car!???
Went to add some oil to the car today, the people who did my oil change few months back gave me some of the left overs. They used Motul 8100 C3 5W40! Is that bad??? Should I be concerned?
You shouldn't be worried, they gave you the good stuff. Plus, you can use a little extra viscosity in the hot summer months.
I'd run Motul in mine if I could justify the expense.
But I wouldn't label Mobil1 as crap either, it's recommended by AMG for a reason? And not just for marketing or whatnot.
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Relief lolhttp://www.motul.com/system/product_...pdf?1290086771
(extended drain interval : on-board computer), detergent/dispersant power (ACEA B4) and requests
fuel economy performance : 1.7% fuel economy improvement versus a 15W-40 reference. The
specification MB 229.5 applies to all MERCEDES Gasoline engines, including AMG (in 5W-40
viscosity grade) except SLR, and to all MERCEDES Diesel without DPF engines
100 000 rpm Fighter Jet oil.
Also try Castrol RS, if you can still find some.
0W is good to -30 deg F and 5W is good to -25 deg F.











