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Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Crank Assembly - 222 Chassis >> Testing & Repair >> Tighten Connecting Rod Bolts >> Tighten Connecting Rod Bolts - AR03.10-P-6111-02MNA

Tighten Connecting Rod Bolts - AR03.10-P-6111-02MNA

Engine 176, 177, 178 

CONNECTING ROD

Number Designation Engine 176 Engine 177
BA03.10-P-1001-01W Bolt, connecting rod bearing cap to connecting rod Stage 1 Nm 5 5
Stage 2 Nm 30 30
Stage 3 ∠° 90 90
CONNECTING ROD

Number Designation Engine 178
BA03.10-P-1001-01W Bolt, connecting rod bearing cap to connecting rod Stage 1 Nm 5
Stage 2 Nm 30
Stage 3 ∠° 90
G11973870Courtesy of MERCEDES-BENZ USA

IMPORTANT The arrow points in the direction of travel. If no angle tightener is available for final tightening, tighten screw/bolts (3) further by the specified angle in a single operation using a socket wrench and breaker bar. Do not use a bending rod torque wrench for tightening in order to avoid any angular errors.

NOTES Do not use an impact wrench/driver or compressed air tool to screw in the screw/bolts (3).

The threaded holes are damaged otherwise.

  1. Wet screw/bolts (3) on thread and bolt head contact surface with engine oil.
  2. Tighten screw/bolts (3) of the connecting rod bearing to stage 1. Engine 176

    Engine 177.980, 178.9 TORQUE SPECIFICATION

  3. Tighten screw/bolts (3) of the connecting rod bearing to stage 2. Engine 176

    Engine 177.980, 178.9 TORQUE SPECIFICATION

  4. Tighten screw/bolts (3) of the connecting rod bearing to stage 3. Engine 176

Engine 177.980, 178.9 TORQUE SPECIFICATION