Servicing Decided By Oil Condition

Mr Teddy Bear

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Joined
Feb 3, 2007
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Location
Bristol Between Mill & Cutting
Your Mercedes
1998 W208 CLK 230K SPORT: MG F 1.8VVC: Flame Red Rover 216GTi
Or as you guys call it the ASSYST System: simply how does it work ?
oil filter differential pressure?
conductivity of the oil?
Does anybody know or can hazard a guess ?

Thanks Teddy Bear
 

Rory

Senior Member
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Feb 8, 2005
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Location
Cheshire, UK
Your Mercedes
2005 C270CDi Avantgarde Estate. Bought 2005, sold 2022.
ASSYST is supposed to take into account all sorts of stuff; cold starts, hard acceleration etc.
The sensor measures the oils capacitance, and ASSYST calculates its dielectric number, which increases as the oil ages.
 

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