Ignition Timing
- With engine at normal operating temperature, set transmission in "D" (Auto. Trans.) or Neutral (Man. Trans.).
- Unplug wiring connector to engine cooling fan (if equipped). Be sure idle speed is set to specifications. Connect timing light and set timing as required.
IGNITION TIMING (DEGREES BTDC @ RPM)
| Application | M/T | (1) A/T | ||
|---|---|---|---|---|
| GLC | 6 @ 850 | 6 @ 750 | ||
| 626 | 6 @ 650 | 6 @ 650 | ||
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