1995 Mercedes Benz E 300 Testing, Adjusting Idle Speed

1995 Mercedes Benz E 300 (124 Chassis) L6-2985cc 3.0L DSL DOHC (606)

Testing, Adjusting Idle Speed

A Engine 605.911

B Engine 606.910

Connect digital tester (001), TDC pulse generator (021).

Check accelerator control for ease of movement.

Check Idle speed stop at Bowden cable (32); the dished washer (29/7) must be resting free of tension against the compression spring (29/8). If necessary, adjust Bowden cable from inside car.

Warm engine up to coolant temperature of 60 - 80°C .

Engine 605.911 with pneumatic idle speed increase (PLA)

Check idle speed; adjust if necessary by turning the vacuum unit (12/3). To do this, slacken lock nut (arrow). Refer to table for test data.

Engine 606.910 with electronic Idle speed control (ELR)

Unplug 2-pin coupling of ELR actuator (22).

Check idle speed; adjust if necessary. To do this, slacken lock nut (arrow) and turn adjusting bolt (ring wrench). Refer to table for test data.

To the left: higher engine speed

To the right: lower engine speed Download File PDF


Close Menu