engine

Valve Spring - Single Torque Specs

for 2013 Mercedes-Benz C350 W204 3.5L V6 M272 · RWD

Units

10 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

14 lb-ft · 19 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Gasket Bolts

Critical

17 lb-ft · 23 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

17 lb-ft · 23 Nm

—

Mounting Bolts

Critical

40 lb-ft · 54 Nm

—

Rocker Arm Bolts

Critical

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

—

Sensor Bolts

9 lb-ft · 12 Nm

—

Sensor Mounting Bolts

9 lb-ft · 12 Nm

—

Spark Plugs - Aluminum Head

Critical

Apply anti-seize to threads

15 lb-ft · 20 Nm

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—

2013 MERCEDES-BENZ C350 W204

10 fasteners