Mercedes-Benz M-Class Catalytic Converter Replacement

The approximate cost for a Mercedes-Benz M-Class catalytic converter replacement is $1005 to $1468. This could vary depending on your location, and whether the repair is performed at a dealership or independent shop.

Related Symptoms

These symptoms may indicate that a Mercedes-Benz M-Class requires a catalytic converter replacement. Click on any of the symptoms to get a CarBeast diagnosis, specific to your car, and check if any other repairs might solve the problem.

For each symptom, you can see a sample repair order from CarBeast’s database of hundreds of millions of repairs. What is a repair order?

Noise when Accelerating

VIN: 4JG**************
Mileage: 70,000 - 80,000 miles
Repair Date: June 2012
Location: Pennsylvania

C/S THERE IS A PINIGNG NOISE WHEN ACCELERATING . 71443ROAD TEST TO VERIFY. CANNOT VERIFY. SLIGHT RATTLE FROM L/S EXHAUST MANIFODOR CAT OCNVERTER. TRACE TO CAT CONVERTER ASSEMBLY. REPLACE LEFT SIDECONVERTER. . CATALYST ON LEFT SIDE, R & R - REPL. IF REQUIRED

Vehicle is Not Accelerating

VIN: 4JG**************
Mileage: 220,000 - 230,000 miles
Repair Date: September 2012
Location: Virginia

CUSTOMER STATES VEHICLE HAS NO ACELERATION FAUT CODES PO301-O81=PO302-O85=PO303-O83 PERFORM ENGINE SHROT TEST FOUND FULT CODE 1AND AND 3 RT SIE CYLINDERS CURRENT CODSE AMAGES TWC , REPLCE TR SIDE CATALI TIC /AND CLEAR CODES , 4.5 HR CP. DRIVEABILITY

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