Ignition Timing

Disconnect and plug distributor vacuum line. Connect a timing light to No. 1 cylinder. Start engine and warm to normal operating temperature.

With engine idling at 800 RPM, check ignition timing. If timing is not correct, loosen distributor flange and rotate distributor to adjust timing to correct specification. When timing is correct, tighten distributor flange and reconnect distributor vacuum hose.

IGNITION TIMING (Degrees BTDC@RPM)

Application

Timing

505

⁽¹⁾ 8@800-850

⁽¹⁾	Transmission in neutral.

Fig 1: Ignition Timing Marks

Courtesy of MERCEDES-BENZ USA