A45 AMG

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Technical data — A45 AMG

Displacement1991cc
Production Years2019–present
Block MaterialAluminium (closed-deck, Nanoslide coating)
Cylinder CoatingNanoslide
Block Height (mm)—
Bore Spacing (mm)—
Bore (mm)83.00
Stroke (mm)92.0 (OEM — shares M260 crank architecture, not independently confirmed for M139 specifically)
Rod Length (mm)138.5
Wrist Pin Diameter (mm)20
Rod Big End Bore (mm)51.6mm
Rod Big End Thickness (mm)19.95mm
Rod Small End Thickness (mm)—
Cylinders4
CH (mm)30.2
Compression Ratio—
Combustion Chamber (cc)—
Skirt Coating Required (all Series)—
Crown Coating Required (all Series)—
Engine Code(s)—
Engine Type(s)—
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