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Engine / Motors
3 Options
3L Plug-in Hybrid Powertrain, 4.7L 8-Cylinder Engine...
Drivetrain Options
2 Drivetrains
Rear-Wheel Drive, 4-Wheel Drive
Transmissions
2 Options
Automatic 7-spd, Automatic 9-spd
Vehicle Classification
Large Cars
Official EPA regulatory class
Technical Architecture Analysis

Executive Specifications Findings

The 2015 Mercedes-Benz S-Class is certified across 7 configurations with 3L Plug-in Hybrid Powertrain, 4.7L 8-Cylinder Engine, 6L 12-Cylinder Engine powertrain options. Available drivetrain layouts include Rear-Wheel Drive, 4-Wheel Drive paired with Automatic 7-spd or Automatic 9-spd. EPA classified under the Large Cars / Compact Cars size category.

Certified Technical Data: Specifications reflect official vehicle configurations filed with the EPA and NHTSA. Values represent factory certified architectures and do not include unverified aftermarket modifications.
Certified Platform Architecture
  • • Certified Configurations: 7 factory trim permutation(s).
  • • Engine Families: 3L Plug-in Hybrid Powertrain • 4.7L 8-Cylinder Engine • 6L 12-Cylinder Engine.
  • • Drivetrain Layouts: Rear-Wheel Drive • 4-Wheel Drive.
  • • Transmission Types: Automatic 7-spd • Automatic 9-spd.
  • • Platform Family: 6th Generation (2015–2020).
Configuration Matrix

Certified Powertrain & Transmission Configurations (7)

Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation

Configuration / Model Engine & Displacement Cylinders Induction / Tech Transmission Drivetrain Fuel System
S550e Large Cars 3L Plug-in Hybrid Powertrain 6 Hybrid Electric Motor + Engine Automatic 7-spd Rear-Wheel Drive Premium and Electricity
S550 Large Cars 4.7L 8-Cylinder Engine 8 Naturally Aspirated Automatic 7-spd Rear-Wheel Drive Premium
CLS550 Compact Cars 4.7L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
S550 4matic Large Cars 4.7L 8-Cylinder Engine 8 Naturally Aspirated Automatic 7-spd 4-Wheel Drive Premium
S550 4matic Coupe Compact Cars 4.7L 8-Cylinder Engine 8 Naturally Aspirated Automatic 7-spd 4-Wheel Drive Premium
CLS550 4matic Compact Cars 4.7L 8-Cylinder Engine 8 Naturally Aspirated Automatic 7-spd 4-Wheel Drive Premium
S600 Large Cars 6L 12-Cylinder Engine 12 Naturally Aspirated Automatic 7-spd Rear-Wheel Drive Premium
Regulatory Standards

Regulatory Classification & Safety Architecture

Federal classification standards and standard active driver assistance system capabilities

EPA SIZE 40 CFR

EPA Regulatory Size Class

Large Cars, Compact Cars

EPA Certified Class
NCAP BODY FORMAT

NHTSA NCAP Body Formats

2015 Mercedes-Benz S-Class 4 DR 4WD, 2015 Mercedes-Benz S-Class Hybrid 4 DR 4WD, 2015 Mercedes-Benz S-Class Hybrid 4 DR RWD, 2015 Mercedes-Benz S-Class 4 DR RWD

NHTSA Tested Formats
ACTIVE SAFETY ADAS

Active Safety Architecture

Evaluated under federal safety compliance standards.

Search Intelligence

Quick Answers: Technical Specifications & Powertrain Architecture for the 2015 Mercedes-Benz S-Class

Direct, deterministic answers synthesized from verified United States government databases for the 2015 Mercedes-Benz S-Class

What engine options are available on the 2015 Mercedes-Benz S-Class?

The 2015 Mercedes-Benz S-Class is certified with 3L and 4.7L and 6L 6-Cylinder / 8-Cylinder / 12-Cylinder engine options across factory configurations.

Certified specifications reflect official EPA emissions and fuel economy filings under 40 CFR Part 600.

Source: EPA Certification Database

Does the 2015 Mercedes-Benz S-Class come in All-Wheel Drive (AWD)?

Yes. The 2015 Mercedes-Benz S-Class is available with Rear-Wheel Drive and 4-Wheel Drive configurations depending on trim package.

Drivetrain layout affects vehicle curb weight, traction capabilities, and EPA-certified fuel economy ratings.

Source: EPA Laboratory Drivetrain Registry

What transmissions are equipped on the 2015 Mercedes-Benz S-Class?

Factory certification records list Automatic 7-spd or Automatic 9-spd transmission architectures for the 2015 Mercedes-Benz S-Class.

Transmission specifications represent factory certified equipment tested for emissions and fuel economy compliance.

Source: EPA Certification Database
Official US Government Data Provenance

Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries under 40 CFR Part 600.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.