Mercedes S-Class Generations Compared: W126 to W221

mercedes s-class w126 w140 w220 w221 comparison classic

The S-Class: Four Generations Compared

The Mercedes S-Class has defined the luxury segment for decades. Each generation set new standards in technology, comfort and safety. We compare the most desirable generations for collectors and enthusiasts.

Generation Overview

GenerationYearsHighlightStatus
W1261979-1991Last hand-built S-ClassClassic
W1401991-1998Technological masterpieceYoungtimer
W2201998-2005First with ABC suspensionUsed car
W2212005-2013Digital revolutionUsed car

Price Comparison February 2025

Average Prices by Condition

GenerationProjectDriverCollectorTrend
W126 SEC€12,500€24,800€48,000Strongly rising
W126 SEL€8,500€18,500€35,000Rising
W140 S500€6,800€14,200€28,000Rising
W140 S600€9,500€18,500€35,000Strongly rising
W220 S350€4,200€8,500€15,000Stable
W220 S500€5,800€11,200€22,000Slightly rising
W221 S350€8,500€15,800€28,000Stable
W221 S500€12,500€22,400€38,000Stable

W126 (1979-1991): The Classic

Technical Highlights

FeatureDetails
EnginesM116/M117 V8, M103 I6
Power185-300 hp
InnovationABS, Airbag (1981)
SpecialTimeless elegance

Engine Range

EngineDisplacementPowerConsumptionRecommendation
280 SE/SEL2.8L I6185 hp12 LEntry-level
380 SE/SEL3.8L V8218 hp14 LBalanced
420 SE/SEL4.2L V8224 hp14 LPopular
500 SE/SEL5.0L V8245 hp15 LClassic favorite
560 SE/SEL5.6L V8300 hp16 LCollector’s dream

W126 Buying Guide

Strengths:

  • Indestructible quality
  • Timeless design
  • Rising collector value
  • Good parts availability

Weaknesses:

  • Rust (especially fenders, sills)
  • Electrics (windows, central locking)
  • AC often defective
  • High consumption

W140 (1991-1998): The Masterpiece

Technical Highlights

FeatureDetails
EnginesM119 V8, M120 V12
Power231-408 hp
InnovationDouble glazing, soft-close doors
SpecialOver-engineering

Engine Range

EngineDisplacementPowerConsumptionRecommendation
S3203.2L I6231 hp11 LSensible
S4204.2L V8279 hp13 LBalanced
S5005.0L V8320 hp14 LClassic
S6006.0L V12408 hp18 LIcon

W140 Buying Guide

Strengths:

  • Outstanding build quality
  • Extremely comfortable
  • V12 experience available
  • Still affordable

Weaknesses:

  • ABC suspension expensive (if equipped)
  • Complex climate control
  • High maintenance costs
  • Weight (~2 tons)

W220 (1998-2005): The Evolution

Technical Highlights

FeatureDetails
EnginesM112/M113 V6/V8, M137 V12
Power224-500 hp
InnovationABC suspension, COMAND
SpecialWeight savings vs. W140

Engine Range

EngineDisplacementPowerConsumptionRecommendation
S3203.2L V6224 hp11 LEntry-level
S3503.7L V6245 hp11 LSensible
S4304.3L V8279 hp12 LBalanced
S5005.0L V8306 hp13 LPopular
S6005.8L V12367 hp16 LLuxury
S55 AMG5.4L V8 SC500 hp15 LPerformance

W220 Buying Guide

Strengths:

  • Lots of car for the money
  • Modern design
  • Good performance
  • ABC suspension impressive

Weaknesses:

  • ABC suspension expensive to repair
  • Rust-prone (wheel arches)
  • Electronics issues
  • SBC brakes

W221 (2005-2013): The Modern Era

Technical Highlights

FeatureDetails
EnginesM272/M273 V6/V8, M275 V12
Power231-630 hp
InnovationNight vision, DISTRONIC
SpecialDigital integration

Engine Range

EngineDisplacementPowerConsumptionRecommendation
S3503.5L V6272 hp10 LSensible
S350 BlueTEC3.0L V6 Diesel258 hp7 LEfficient
S400 Hybrid3.5L V6 + E299 hp8 LFuture
S5005.5L V8388 hp12 LClassic
S6005.5L V12 BiTurbo517 hp15 LLuxury
S63 AMG6.2L V8525 hp14 LPerformance
S65 AMG6.0L V12 BiTurbo630 hp17 LExtreme

W221 Buying Guide

Strengths:

  • Latest technology
  • Excellent safety
  • Low consumption (diesel/hybrid)
  • Still current design

Weaknesses:

  • Complex electronics
  • High maintenance costs
  • ABC/AIRMATIC expensive
  • Short used car history

Value Development Comparison

5-Year Development

Generation20202025Change
W126 500 SEL€12,500€24,800+98%
W140 S500€8,200€14,200+73%
W220 S500€7,500€11,200+49%
W221 S500€18,500€22,400+21%

Forecast 2025-2030

GenerationExpectationConfidence
W126+40-60%High
W140+50-80%High
W220+20-30%Medium
W221+15-25%Medium

Which Generation for Whom?

W126 - For Classic Car Lovers

  • Budget: €15,000-50,000
  • Usage: Weekends, meets
  • Maintenance: DIY or specialist
  • Risk: Rust, parts sourcing

W140 - For Youngtimer Fans

  • Budget: €8,000-35,000
  • Usage: Regular possible
  • Maintenance: Good workshop
  • Risk: Technical complexity

W220 - For Value Buyers

  • Budget: €5,000-22,000
  • Usage: Daily possible
  • Maintenance: Mercedes experience
  • Risk: ABC, rust, electronics

W221 - For Tech Enthusiasts

  • Budget: €10,000-40,000
  • Usage: Daily
  • Maintenance: Specialized workshop
  • Risk: Complexity, costs

Conclusion

Each S-Class generation has its place. The W126 is the classic with appreciation potential, the W140 offers the best value with youngtimer character, the W220 attracts with affordable entry prices, and the W221 brings modern technology at accessible prices.

Our Recommendation: The W140 currently offers the best overall package - still affordable, but with rising prices and genuine collector potential.


All data based on our continuous market analysis. As of: February 17, 2025