Mercedes Benz Workshop Service and Repair Manuals

Connecting Rod: Service and Repair
Checking, Replacement and Tightening of Big-End Clamp Bolts

Self-made tool

Steel plate

refer to image below 

Connecting rod bolts made by Fontana (secondary supplier) are installed since September 1984.
Identification: chrome-colored (previously brass colored)

Installation: September 1984

Checking

1

Measure minimum necked-down dia. prior to re-use.