Back to 1981-1990 Mercedes-Benz S-Class
Help
1981-1990 MERCEDES-BENZ S-CLASS
5.0L V8•RWD•gas•M117
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor522Torque139Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1981-1990 Mercedes-Benz S-Class 5.0L V8 · RWD
Fluid Type
10W-40 or 15W-40 mineral/conventional
Spec: API SF/SG/SH
Capacity
8.5qt
8.04 L
Drain & Refill
8.5 qt
8.04 L
Change Interval
5,000 mi
8,045 km

Notes

W126 chassis, M117 5.0L V8 (500SE/SEL/SEC). Modern synthetic 5W-40 or 10W-40 acceptable. Later models may use 5W-30 in cold climates.

Buy on Amazon
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 1981-1990 Mercedes-Benz S-Class repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Mercedes-Benz S-Class — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →