SOURCE-RECORDED POWERTRAINS

Engine fitments & vehicle specifications

Browse source-recorded engine, trim, transmission and body specifications by vehicle and documented year. Market and full production coverage are not inferred.

Exact engine code: M256

5 source configuration groups

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 / 2021

GLS-Class

GLS450-4M

Source engine label
M256
Source engine power
Not recorded
Transmission
Automatic · 9 speeds
Body
Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2022

GLS-Class

GLS450 4MATIC

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

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2023

GLS-Class

GLS450 4MATIC

Source engine label
M256
Source engine power
362 hp≈ 269.9 kW
Transmission
Not recorded · 9 speeds
Body
Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2024

GLS-Class

GLS450 4MATIC/GLS450 4-M Turbo

Source engine label
M256
Source engine power
375 hp≈ 279.6 kW
Transmission
Not recorded · 9 speeds
Body
Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗