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SOURCE-RECORDED POWERTRAINS

M256 · source specifications & fitments

Vehicle configurations reporting M256. Compare documented years, trim labels and source-specific outputs; a shared code does not establish interchangeability.

Make, model, trim or engine code

Vehicle make

Documented year

Vehicles reporting M256

Exact engine-code matches from the source. These links do not establish that every variant shares this record’s specifications or market.

Vehicle	Documented fitment years	Explore
Mercedes-Benz AMG GT	2019–2026	11 fitments & specifications ↗
Mercedes-Benz CLA-Class	2020–2022	2 fitments & specifications ↗
Mercedes-Benz CLE	2024–2025	4 fitments & specifications ↗
Mercedes-Benz CLS-Class	2019–2023	14 fitments & specifications ↗
Mercedes-Benz E-Class	2019–2025	36 fitments & specifications ↗
Mercedes-Benz GLE-Class	2019–2024	14 fitments & specifications ↗
Mercedes-Benz GLS-Class	2020–2024	5 fitments & specifications ↗
Mercedes-Benz S-Class	2021–2026	9 fitments & specifications ↗

Reported engine supplier: Daimler. Outputs remain attached to the configurations below; they are not universal ratings for this engine label.

26 source configuration groups

Mercedes-Benz / 2019

CLS-Class

CLS450-4M

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019

CLS-Class

Trim not recorded

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019

CLS-Class

AMG CLS53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019

CLS-Class

CLS450

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

CLS-Class

CLS450-4M

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

CLS-Class

AMG CLS53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

CLS-Class

CLS450

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

CLS-Class

CLS450

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

CLS-Class

CLS450-4M

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

CLS-Class

AMG CLS53

Source engine label: M256
Source engine power: Not recorded
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2022

CLS-Class

CLS450

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2022

CLS-Class

AMG CLS53 4-M+ Turbo

Source engine label: M256
Source engine power: Not recorded
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019–2020

AMG GT

AMG GT53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

AMG GT

AMG GT53

Source engine label: M256
Source engine power: Not recorded
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

GLS-Class

GLS450-4M

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automatic · 9 speeds
Body: Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019

E-Class

AMG E53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automatic · 9 speeds
Body: Convertible/Cabriolet

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019

E-Class

AMG E53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2019–2020

E-Class

AMG E53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automatic · 9 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

E-Class

AMG E53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

E-Class

AMG E53

Source engine label: M256
Source engine power: 429 hp≈ 319.9 kW
Transmission: Automatic · 9 speeds
Body: Convertible/Cabriolet

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

E-Class

AMG E53

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

E-Class

AMG E53

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Coupe

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2021

E-Class

AMG E53

Source engine label: M256
Source engine power: Not recorded
Transmission: Automatic · 9 speeds
Body: Convertible/Cabriolet

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020

GLE-Class

GLE450-4M

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automatic · 9 speeds
Body: Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020–2022

CLA-Class

CLS450-4M

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2020–2022

CLA-Class

CLS450

Source engine label: M256
Source engine power: 362 hp≈ 269.9 kW
Transmission: Automated Manual Transmission (AMT) · 7 speeds
Body: Sedan/Saloon

NHTSA VIN specification · Market not established

Specifications & source conditions ↗