That may be true, but in cold climates, the 0w 40 really makes starting a breeze. It was 5 below zero F this morning (-5F), and my 190 sat outside for three days before I tried to start it this morning. With 0w40 in it, it immediately started on the first turn, with only one glow cycle.

__________________
Jovan

'84 (11/83) 190D 2.2 5-Speed; Silver/Blue; Motor No. 00354, 402k mi (340+kmi mine)

'89 Porsche 911 Turbo Coupe; Black/Black; 53kmi
'05 BMW 530i 6-Speed; 302kmi
'19 Range Rover; 30kmi