engine

Timing Chain Kit Torque Specs

for 2017 Mercedes-Benz A250 W176 2.0L I4 Turbo M270 · RWD

Units

5 fasteners

Seq

Component

Torque

Angle

—

Camshaft sprocket bolt (replace)

Critical

59 lb-ft · 80 Nm

—

Crankshaft pulley/damper bolt (replace)

Critical

148 lb-ft · 200 Nm

—

Timing chain guide bolts

9 lb-ft · 12 Nm

—

Timing chain tensioner

Critical

59 lb-ft · 80 Nm

—

Timing cover bolts (M8)

18 lb-ft · 25 Nm

—