Mercedes Headlight Operation Time Reset
Supported coding features by StarCOM diagnostic tool https://www.obdtester.com/starcom
Headlight Operation Time Reset
What it does
- Resets internal operating time counters for headlight components
- Clears lifetime data used for diagnostics and maintenance tracking
Includes
- Reset fan operation time
- Reset headlight operation time
- Reset xenon operation time
When it is required
- After headlight or control unit replacement
- After replacing xenon bulbs or LED modules
- When headlight-related fault messages appear
- After repair of headlight cooling system
Conditions that must be met
- Headlights properly installed and connected
- Ignition ON
- Stable battery voltage
- No active headlight control unit faults
What happens during the reset
- Operating time counters are set to zero
- Control unit updates component lifetime tracking
- System prepares for new component monitoring
If reset is not performed
- Incorrect lifetime or service warnings
- Possible false fault messages
- Inaccurate diagnostic data
After reset
- Verify operation time values in diagnostics
- Test headlight functions and cooling fans
- Confirm no headlight-related warnings remain