Fluid · Engine Oil
Engine Oil
for 1990 Mercedes-Benz 300E 3.0L I6 M103 · AWD
Fluid Type
5W-30 or 10W-40 synthetic
Spec: API SG/SH (period correct), modern API SN/SP acceptable
Capacity
7.4qt
7 L
Drain & Refill
6.9 qt
6.53 L
Change Interval
5,000 mi
8,045 km
Notes
Capacity with filter. M103 engine requires quality oil; synthetic preferred for longevity
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