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: M256M

2 source configuration groups

Mercedes-Benz / 2025

G-Class

G550

Source engine label
M256M
Source engine power
443 hp≈ 330.3 kW
Transmission
Automatic · 9 speeds
Body
Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗

Mercedes-Benz / 2026

G-Class

G550

Source engine label
M256M
Source engine power
443 hp≈ 330.3 kW
Transmission
Automatic · 9 speeds
Body
Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]

NHTSA VIN specification · Market not established

Specifications & source conditions ↗