general problems of the 2009 Mercedes Benz ML350

Three problems related to service brakes have been reported for the 2009 Mercedes Benz ML350. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Mercedes Benz ML350 based on all problems reported for the 2009 ML350.

1 Service Brakes problem

Failure Date: 10/27/2022

2009 Mercedes Benz Ml350. Consumer writes in regard to NHTSA safety recall 22v-315.

2 Service Brakes problem

Failure Date: 06/01/2022

Subject: complaint regarding failure to repair safety recall – brake booster (stop drive order) background in August 2022, I received a “stop drive order” recall notice from mercedes-benz, informing me that my Ml350 was unsafe to drive due to a defective brake booster. Despite repeated attempts over nearly three years, the recall repair has not been completed. Attempts to obtain recall repair initial attempts: contacted fletcher jones mercedes-benz (las vegas) twice; they refused to schedule service citing workload. Henderson dealership: scheduled inspection with mercedes-benz of henderson. Technician inspected my Ml350 at my home, confirmed the brake booster issue, and arranged for towing. Improper repair demands: after holding my vehicle two weeks, henderson dealership issued an $8,200 estimate for unrelated repairs (tires, control arms, starter). I refused, as these were unnecessary and unrelated to the recall. The service manager demanded I remove the vehicle from the lot immediately or he would have it towed to impound. Recall parts unavailable when I contacted mercedes-benz USA, I was told parts for the brake booster recall were not available, contradicting the dealership’s prior statements. My vehicle was returned unrepaired. Vehicle mishandling •tow company returned the vehicle at the wrong time, left it on the street with a window down, and failed to return the key. •despite repeated requests, the key has never been returned. •the Ml350 sat exposed for months, registration expired, and I had to hire another tow company to move it to my driveway. Lack of resolution •vehicle has been unusable for nearly 3 years. •my written correspondence and calls to mercedes-benz USA have gone unanswered or been mishandled (frequent transfers/dropped calls). •I have suffered financial costs, inconvenience, and loss of vehicle value. I respectfully request that 1. Immediate replacement of the defective brake booster at no cost. 2. Retrieval of my original vehicle key o.

3 Service Brakes problem

Failure Date: 03/09/2012

I have a 2009 mercedes ml 350. About a week ago, my break fluid light came on. I took it into the dealership, and they topped the fluid off. A few days passed, and the light went on again. I took it into the dealership, and it was verified that "the pressure drops after several minutes. (they) found the line into the abr pump was leaking. R&r pump to inspect lines and found metal line deformed at flare".


Other Service Brakes related problems of the 2009 Mercedes Benz ML350



ML350 Service Bulletins
ML350 Defect Investigations