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Home >> Mercedes Benz >> 1996 >> E320 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Complete Engine - Testing & Repair - 210 Chassis - 1 Of 2 >> Testing & Repair >> Checking prechamber - AR01.30-P-5402-05HA

Checking prechamber - AR01.30-P-5402-05HA

Engines 604, 605, 606 

Prechamber

Number Designation Engine 604, 605.910/911/912 606.910/912 USA ONLY Engine 604, 605.910/911/912 606 USA ONLY Engine 605.960/ 962, 606.961/ 962/964
BE01.30-P-1001-03A Prechamber code 606/2 606/03 606/04 or 606/06

The spherical pin must not be scratched or oxidized.

If the burner domes are scratched or if there are cracks in the bottom part of the prechamber, check the following:

  1. Check engine oil level at an oil temperature of about 80 °C; adjust to correct level.
  2. Check vacuum pump for signs of damage and replace the vacuum unit at the injection pump, respectively.

IMPORTANT It is possible to determine from the vacuum pipes (blackened with oil) which of the two component parts has failed.

Fig 1: Identifying Prechamber Code
G04634528Courtesy of MERCEDES-BENZ OF NORTH AMERICA.