Back to 1991 Mercedes-Benz 300E

1991 MERCEDES-BENZ 300E

3.0L I6 M103•RWD•AUTOMATIC•gas

Repairs0 Labor571 Torque4669 Fluid7 DTC0 Battery1 Maintenance0 Recalls0

cooling

Coolant Bypass Pipe Torque Specs

for 1991 Mercedes-Benz 300E 3.0L I6 M103 · RWD

Units

9 fasteners

Seq

Component

Torque

Angle

—

Bleed Screw

Open during fill

5 lb-ft · 7 Nm

—

—

Coolant Drain Plug

11 lb-ft · 15 Nm

—

—

Drain Petcock

Hand tight

5 lb-ft · 7 Nm

—

—

Fan Bolts

8 lb-ft · 11 Nm

—

—

Hose Clamps

2 lb-ft · 3 Nm

—

—

Housing Bolts

Critical

11 lb-ft · 14 Nm

—

—

Pump Bolts

Critical

Torque in sequence

19 lb-ft · 26 Nm

—

—

Thermostat Housing Bolts

11 lb-ft · 15 Nm

—

—

Water Pump Bolts

Critical

Tighten in criss-cross pattern

18 lb-ft · 25 Nm

—

Building an app?

Free API access to all this data — 50 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →