One problem related to manifold/header/muffler/tail pipe has been reported for the 1999 Mercedes Benz ML320. The most recently reported issues are listed below.
The consumer stated that e oil filter housing failed. When the filter housing failed the oil sprayed all over the engine and the manifold. The oil had been changed on 7-30-2005. The oil filter on failed on August 1, 2005. The oil filter had been tightened and checked. The vehicle ran normally after the oil was changed and the vehicle was started. The owner changed the oil himself. The oil filter takes 8 ãƒã‚â½ quarts of oil. Consumer ha not taken the vehicle to the dealership. Instead, he purchased an oil filter,a plastic housing that holds the filter) and corrected the problem himself. Consumer talked to the dealership, and they said that the part was not covered by the warranty. Tconsumer ha not contacted the manufacturer. Consumer said that the oil filter design changed since the oil was changed last, and this new design was suppose to be an improvement.