Replace air filter when replacing failed mass air flow sensor on Mercedes-Benz CLK55 AMG

Problem Description and Possible Solution

The mass air flow (MAF) sensor tends to fail. The engine air filter should be replaced when the mass air flow sensor is replaced; a dirty filter can allow debris to damage the new sensor.

Problem Data
RepairPal Verified
Average mileage: 126,000 (126,000–126,000)
2 model years affected: 2001, 2002
3 people reported this problem
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My 2001 CLK55 AMG was going through a MAF sensor every six months...
Symptoms are: Greatly reduced fuel mileage, and sluggish performance.
Usually, no DTC / trouble codes are set however.
Fortunately, MAF sensors can be bought new with a one year warranty from merchants on EBAY for around $50 for aftermarket, and up to $160 for OEM / Bosch.
This same part can cost $350 from the Mercedes dealer....!!!!!!!!!!
The last ebay MAF sensor I installed has now made it over a year with no issues.
part: 336-60531, 1130940048