Mercedes-Benz S-class SEL (V126, facelift 1985) 350 SDL CAT (136 Hp) Automatic


Overall Rating

8.2 / 10
Safety N/A / 5
Not Rated
Engine 3.8 / 5
Value 4.2 / 5
Performance 4.0 / 5
Comfort 4.8 / 5
People\'s Opinion N/A / 5
Not Rated

Mercedes-Benz S-class:

The Mercedes-Benz S-Class, formerly known as "special class" , is a series of full-sized luxury sedans and coupés produced by the German automaker Mercedes-Benz. The S-Class is the designation for top-of-the-line Mercedes-Benz models and was officially introduced in 1972 with the W116, and has remained in use ever since. The S-Class is the flagship vehicle for Mercedes-Benz, being positioned above the other Mercedes-Benz models.
The S-Class has debuted many of the company's latest innovations, including drivetrain technologies, interior features, and safety systems. The S-Class has ranked as the world's best-selling luxury sedan. In automotive terms, Sonderklasse refers to "a specially outfitted car. " Although used colloquially for decades, following its official application in 1972, six generations of officially named S-Klasse sedans have been produced....(Read more on Wikipedia)

SEL (V126, facelift 1985) Overview:

Mercedes-Benz S-class (SEL (V126, facelift 1985)). With 310 Nm of torque, it offers ample pulling power. With a weight of 1790 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. The top speed reaches 175 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.

350 SDL CAT (136 Hp) Automatic Verdict:

Rating 3 stars

Performance Verdict

Modest power, primarily focused on torque and economy. Not designed for spirited driving, but offers smooth, consistent power delivery.

Fuel Economy

Offers the best fuel economy in the lineup, designed for maximum efficiency and range.

Best Use Case: Long-distance economy cruising, high mileage drivers prioritizing fuel range and efficiency.

Pros and Cons:

Pros:

  • • Timeless and elegant design, a true classic
  • • Exceptional build quality and robust engineering
  • • Luxurious and spacious interior with superior comfort
  • • Smooth and refined ride quality
  • • Powerful V8 engine options offering strong performance
  • • Advanced safety features for its era (e.g., ABS)
  • • Strong classic car appeal and investment potential

Cons:

  • • Poor fuel economy, especially with the larger V8 engines
  • • High maintenance and repair costs due to age and complexity
  • • Parts availability can be challenging for specific components
  • • Large size can be cumbersome in modern urban environments
  • • Lacks modern safety and infotainment technologies
  • • Potential for rust in neglected examples

Specifications:

Specifications are compared to those of the previous generation(W223: July, 2021 - ).

General:
Brand:Mercedes-Benz
Model:S-class
Generation:SEL (V126, facelift 1985)
Modification (Engine):350 SDL CAT (136 Hp) Automatic
Start of production:June, 1985
End of production:August, 1991
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:5
Doors:4
Engine:
Power:136 Hp @ 4000 rpm. Same horsepower
Power per litre:39.4 Hp/l [106mm more]
Torque:310 Nm @ 2000 rpm.
Engine Model/Code:OM 603 D 35 A / 603.970 More details about the engine OM 603 D 35 A / 603.970
Engine displacement:3449
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Multi-port manifold injection
Engine aspiration:Turbocharger
Valvetrain:SOHC
Engine oil capacity:7.5 l
Coolant:10 l
Engine layout:Front, Longitudinal
Cylinder Bore:89 mm mm
Piston Stroke:92.4 mm mm
Compression ratio:22:1
Performance:
Fuel Type:Diesel
Maximum speed:175 km/h
Weight-to-power ratio:13.2 kg/Hp, 76 Hp/tonne
Weight-to-torque ratio:5.8 kg/Nm, 173.2 Nm/tonne
Space:
Kerb Weight:1790
Max. weight:2270
Max load:480
Fuel tank capacity:90 l
Size:
Length:5285 mm mm [106mm more]
Width:1820 mm mm [134mm less]
Height:1441 mm mm [62mm less]
Wheelbase:3070 mm mm [36mm less]
Front track:1562 mm
Rear (Back) track:1534 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeAutomatic
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesDisc
Assisting systemsABS (Anti-lock braking system)
Steering typeCone worm with recirculation balls
Power steeringHydraulic Steering
Tires sizeFront wheel tires: 205/65 R15
Wheel rims sizeFront wheel rims: 6.5J x 15
Front suspensionDouble wishbone
Rear suspensionTrailing arm

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