Help--Got this car back from Mercedes dealer to have 4 tires installed and
after 10 miles set check engine light. Pulled following codes:
P0160--Bank 2 02 heater circuit
P0170--Fuel trim Bank 1
P0460--Fuel Level sensor A circuit malfunction.
History: Car had P0170 and P0173 codes about 500 miles ago--replaced Maf
with known "good" used maf--reset check engine light and now the above has
Any help and suggestions will be greatly appreciated.