Four-door long-wheelbase rear-wheel-drive luxury sedan · 4.5-liter M117 fuel-injected V8
1979 Mercedes-Benz 450 SEL Automatic
The Mercedes-Benz Club of America's U.S. product table places the 450 SEL in model year 1979; non-U.S. W116 variants are deliberately excluded.

Photo: “1979 Mercedes-Benz 450 SE (W116) sedan (21899926348)” by Jeremy from Sydney, Australia / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- 450 SEL
- Body style
- Four-door long-wheelbase rear-wheel-drive luxury sedan
- Engine
- 4.5-liter M117 fuel-injected V8
- Transmission
- 3-speed automatic
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 1979 Mercedes-Benz 450 SEL Automatic. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 4
- Factory intervals
- 2
- Fitment-scoped
- 4
- Exact references
- 1
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Additional maintenance work
Sourced interval available
Source: Mercedes-Benz of North America — 1979 passenger-car maintenance sheet · page 1 — additional maintenance work every 37,500 miles · checked
Brake fluid
Sourced interval available
Source: Mercedes-Benz of North America — 1979 passenger-car maintenance sheet · page 1 — drain and renew brake fluid once a year · checked
Engine air filter
Exact reference available
The part reference below is catalog fitment only; retain the separately sourced factory service interval where one is shown.
450 SEL — 4.5-liter M117 fuel-injected V8
K&N E-2872
Source: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · 1979 Mercedes-Benz 450 SEL V8 Gas — E-2872 · checked
Verified ordering references
- Service replacementK&N E-2872
Qty. 1 · Reusable engine air-filter element · catalog-listed
K&N lists one element for this application; confirm VIN and build date before ordering.
Catalog: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · 1979 Mercedes-Benz 450 SEL V8 Gas — E-2872 · checked
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Engine oil filter
Fitment must be confirmed
Use the exact engine, VIN, and build date to confirm the catalogued service part before ordering.
Sources
Other 1979 configurations