W211 E500 Oil Change - grade and amount?

[Londonscottish]

Hi there - I'm about to have a C service on my W211 E500. I can buy the oil on my petrol card. But I don't have the service book with me.

Has anyone got the the details on

(a) how much I need to buy (8 litres?)

(b) what grade it should be? (all I recall is that it's synthetic)

Thanks in advance

 

[Diesel Benz]

7.5 litres should be sufficient for this engine. 0W40, 5W40 or something similar should be fine, be sure it has an MB grade, 229.5 would be good although this engine must accept some older MB requirements too.