No adjustment needed. The others were needed at 15k.
If you have not had the EGR blocked, do so now or the carbon will kill the engine. You can search for this using the search feature.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM