Third generation · W140 · 1992–1999

1992Mercedes-Benz S-Class

The imposing, over-engineered 1990s flagship — double-pane glass, a V12 (600 SEL / S 600), and the debut of Electronic Stability Program (ESP) in its C140 coupe. US model years 1992–1999.

Third generation · W140

Photo: “1992 Mercedes-Benz 500 SEL (V140) (46957294842)” by Rutger van der Maar / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.

The 1992 model year

Overview

The W140 opened its U.S. run for model year 1992 with five sedans: gasoline 300 SE, 400 SE, 500 SEL, and 600 SEL plus the 300 SD turbodiesel documented in the separate North American factory manual. Mercedes-Benz describes the generation as a comfort-first flagship with generous dimensions and double glazing; the 600 models introduced a V12 to series-production Mercedes-Benz passenger cars.

Specifications

Engines: 3.2-liter M104 DOHC inline-six
3.5-liter OM603 turbocharged diesel inline-six
4.2-liter M119 DOHC V8
5.0-liter M119 DOHC V8
6.0-liter M120 DOHC V12
Transmissions: 4-speed automatic
Body styles: Four-door rear-wheel-drive luxury sedan, Four-door long-wheelbase rear-wheel-drive luxury sedan

Year over year

What changed

The W140 replaced the W126 with an entirely new five-model U.S. roster.
The 300 SD preserved a diesel choice while the 600 SEL established a 6.0-liter V12 flagship above the inline-six and two V8 choices.

Worth knowing

Notable

Mercedes-Benz recorded the W140 as World Car 1992, while the club guide dates the North American model run from 1992 through 1999.

Living with it

Reliability & ownership notes

Service records matter on every W140; inspect the pneumatic convenience system, all electronic equipment, rear window regulators, power-steering leaks, and engine mounts before purchase.
The club guide identifies pre-1996 evaporator leakage and 1993–1995 biodegradable wiring harnesses as specific inspection points; verify repairs on the individual car rather than assuming every example is affected.
Match service parts to the exact engine, transmission, market, and build date shown on the data plate; a shared W140 body does not make six-cylinder, V8, V12, and diesel fitment interchangeable.

Maintenance & service parts

Keep your 1992 S-Class on the road

Start with the service interval, then match the engine or exact version you own. Order links appear only when a catalog-backed part number is available, and every listing still needs a fitment check.

Service topics: 6
Scheduled topics: 5
Applicability stated: 6
Exact references: 2

Before ordering Identify 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.

Engine oil and filterView intervals, applicability and sources
Engine oil and filter
Sourced interval available
Applies to: 1992 · 5.0L M119 V8 · United States · This recovered schedule is scoped to the cited 500SEL; other W140 engines and configuration-specific requirements are not claimed.
Published interval: 7,500 mi / 12,000 km · Normal-service replacement interval.
Source: Mercedes-Benz — 1992 500SEL (W140/M119) factory normal-service schedule (preserved service-manual database) · Normal Service — recurring 7,500-mile rows; at least annually with year-round multigrade oil · checked 2026-08-05
Spark plugsView intervals, applicability and sources
Spark plugs
Sourced interval available
Applies to: 1992 · 5.0L M119 V8 · United States · This recovered schedule is scoped to the cited 500SEL; other W140 engines and configuration-specific requirements are not claimed.
Published interval: 30,000 mi / 48,000 km · Normal-service replacement interval.
Source: Mercedes-Benz — 1992 500SEL (W140/M119) factory normal-service schedule (preserved service-manual database) · Normal Service — 30,000-mile replacement row and repeating rows · checked 2026-08-05
Engine air-filter elementView intervals, applicability and sources
Engine air-filter element
Exact reference available
Applies to: 1992 · 5.0L M119 V8 · United States · This recovered schedule is scoped to the cited 500SEL; other W140 engines and configuration-specific requirements are not claimed.
Published interval: 30,000 mi / 48,000 km · Normal-service replacement interval.
Source: Mercedes-Benz — 1992 500SEL (W140/M119) factory normal-service schedule (preserved service-manual database) · Normal Service — 30,000-mile replacement row and repeating rows · checked 2026-08-05
400 SE — 4.2-liter M119 DOHC V8
K&N 33-2678
Applies to: 1992 · 4.2-liter M119 DOHC V8 · 400 SE · Exact 1992 400 SE engine application. Confirm VIN and build date before ordering.
Source: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 400 SE, 1992 — 33-2678 (two required) · checked 2026-09-01
Verified ordering references
Service replacementK&N 33-2678
Qty. 2 · Reusable engine air-filter element · catalog-listed
K&N lists two elements for this application; confirm VIN and build date before ordering.
Catalog: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 400 SE, 1992 — 33-2678 (two required) · checked 2026-09-01
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500 SEL — 5.0-liter M119 DOHC V8
K&N 33-2678
Applies to: 1992 · 5.0-liter M119 DOHC V8 · 500 SEL · Exact 1992 500 SEL engine application. Confirm VIN and build date before ordering.
Source: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 500 SEL, 1992 — 33-2678 (two required) · checked 2026-09-01
Verified ordering references
Service replacementK&N 33-2678
Qty. 2 · Reusable engine air-filter element · catalog-listed
K&N lists two elements for this application; confirm VIN and build date before ordering.
Catalog: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 500 SEL, 1992 — 33-2678 (two required) · checked 2026-09-01
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600 SEL — 6.0-liter M120 DOHC V12
K&N 33-2677
Applies to: 1992 · 6.0-liter M120 DOHC V12 · 600 SEL · Exact 1992 600 SEL engine application. Confirm VIN and build date before ordering.
Source: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 600 SEL, 1992 — 33-2677 (two required) · checked 2026-09-01
Verified ordering references
Service replacementK&N 33-2677
Qty. 2 · Reusable engine air-filter element · catalog-listed
K&N lists two elements for this application; confirm VIN and build date before ordering.
Catalog: K&N Engineering — 2017 European Automotive Catalog, S-Class application tables (archived copy) · W140 S-Class table — 600 SEL, 1992 — 33-2677 (two required) · checked 2026-09-01
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Automatic transmission fluid and filterView intervals, applicability and sources
Automatic transmission fluid and filter
Sourced interval available
Applies to: 1992 · 5.0L M119 V8 · United States · This recovered schedule is scoped to the cited 500SEL; other W140 engines and configuration-specific requirements are not claimed.
Published interval: 30,000 mi / 48,000 km · Normal-service replacement interval.
Source: Mercedes-Benz — 1992 500SEL (W140/M119) factory normal-service schedule (preserved service-manual database) · Normal Service — 30,000-mile replacement row; excludes later 722.6 transmission · checked 2026-08-05
Fuel filterView intervals, applicability and sources
Fuel filter
Sourced interval available
Applies to: 1992 · 5.0L M119 V8 · United States · This recovered schedule is scoped to the cited 500SEL; other W140 engines and configuration-specific requirements are not claimed.
Published interval: 60,000 mi / 96,000 km · Normal-service replacement interval.
Source: Mercedes-Benz — 1992 500SEL (W140/M119) factory normal-service schedule (preserved service-manual database) · Normal Service — 60,000-mile replacement row · checked 2026-08-05
Engine oil filterView intervals, applicability and sources
Engine oil filter
Exact reference available
Use the exact engine, VIN, and build date to confirm the catalogued service part before ordering.
Applies to: 1992
300 SE — 3.2-liter M104 DOHC inline-six
MAHLE OX 133D
Applies to: 1992 · 3.2-liter M104 DOHC inline-six · 300 SE · Exact 1992 300 SE engine application. Confirm VIN and build date before ordering.
Source: MAHLE Aftermarket — Mercedes-Benz passenger-car filter application catalog · 1992 Mercedes-Benz 300SE 3.2L L6 — OX 133D · checked 2026-09-01
Verified ordering references
Service replacementMAHLE OX 133D
Qty. 1 · Engine oil-filter element · catalog-listed
Manufacturer-catalogued application; confirm VIN and build date before ordering.
Catalog: MAHLE Aftermarket — Mercedes-Benz passenger-car filter application catalog · 1992 Mercedes-Benz 300SE 3.2L L6 — OX 133D · checked 2026-09-01
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300 SD — 3.5-liter OM603 turbocharged diesel inline-six
Mercedes-Benz 601-180-01-09-64
Applies to: 1992 · 3.5-liter OM603 turbocharged diesel inline-six · 300 SD · Exact 1992 300 SD engine application. Confirm VIN and build date before ordering.
Source: Mercedes-Benz Classic USA — genuine diesel engine-oil-filter element 601-180-01-09-64 · 300 SD diesel application, 1992 — 601-180-01-09-64 · checked 2026-09-01
Verified ordering references
Original equipmentMercedes-Benz 601-180-01-09-64
Qty. 1 · Engine oil-filter element · catalog-listed
Manufacturer-catalogued application; confirm VIN and build date before ordering.
Catalog: Mercedes-Benz Classic USA — genuine diesel engine-oil-filter element 601-180-01-09-64 · 300 SD diesel application, 1992 — 601-180-01-09-64 · checked 2026-09-01
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Famous variants this year

S 600 (V12) →

Sources

Other Third generation years

Explore the W140 generation →All Third generation · W140 years →

Complete, source-verified lineup

Find your exact 1992 S-Class

Start with a family, body style, or engine. Every card opens the facts and maintenance information for that factory version.

5factory configurations

Verified complete for the U.S.-marketHow this lineup was verified

We checked this U.S.-market lineup against period sources for factory sedan, coupe, cabriolet, drivetrain, and powertrain roster represented by the cited exact-year or factory-archive evidence. Every version shown below has its own detail page.

Verified 2026-09-01 from Mercedes-Benz Club of America — 1992–1999 W140 buyer's guide and technical tables, Mercedes-Benz Public Archive — 140-series S-Class model history, Mercedes-Benz W140 School archive — factory North American owner's-manual model indexes by year.

Browse 5 documented records — use the filters above to narrow the list

Four-door rear-wheel-drive luxury sedan

Mercedes-Benz 300 SE Automatic

Body: Four-door rear-wheel-drive luxury sedan
Engine: 3.2-liter M104 DOHC inline-six
Gearbox: 4-speed automatic
Built: Regular production

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Four-door rear-wheel-drive luxury sedan

Mercedes-Benz 300 SD Automatic

Body: Four-door rear-wheel-drive luxury sedan
Engine: 3.5-liter OM603 turbocharged diesel inline-six
Gearbox: 4-speed automatic
Built: Regular production

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Four-door rear-wheel-drive luxury sedan

Mercedes-Benz 400 SE Automatic

Body: Four-door rear-wheel-drive luxury sedan
Engine: 4.2-liter M119 DOHC V8
Gearbox: 4-speed automatic
Built: Regular production

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Four-door long-wheelbase rear-wheel-drive luxury sedan

Mercedes-Benz 500 SEL Automatic

Body: Four-door long-wheelbase rear-wheel-drive luxury sedan
Engine: 5.0-liter M119 DOHC V8
Gearbox: 4-speed automatic
Built: Regular production

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Four-door long-wheelbase rear-wheel-drive luxury sedan

Mercedes-Benz 600 SEL Automatic

Body: Four-door long-wheelbase rear-wheel-drive luxury sedan
Engine: 6.0-liter M120 DOHC V12
Gearbox: 4-speed automatic
Built: Regular production

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