Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Fluid - Differential

Use only Mercedes-Benz approved fluids

Standard 85W-90,90 GL-5(Gear Oil, API Service GL-5)
Limited-Slip 90 GL-5*(Special Lubricant for Limited Differentials)
CAPACITY, Refill:
Gas engine:
1982-91 All w/V8 engines 1.3 Liters 2.8 Pints
1982-89 190E 0.7 Liters 1.4 Pints
1986-91 300 Series, except SL 1.1 Liters 2.3 Pints
1987-90 260E 1.1 Liters 2.3 Pints
1990-91 190E 1.1 Liters 2.3 Pints
300SL 1.3 Liters 2.8 Pints
LIMITED-SLIP IDENTIFICATION:
Metal plate on rear of differential, near fill plug