The 2007 Mercedes-Benz Ml500 has 2 NHTSA recall campaigns affecting an estimated 365,898 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 11 complaints with NHTSA, most often about the seats. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, HYDRAULIC24V2980002024-04-2615,604 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Consequence
Reduced brake performance or brake failure can increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024. Owners may…
SERVICE BRAKES, HYDRAULIC22V3150002022-05-09350,294 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake…
Consequence
Reduced brake performance or brake failure can increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022. Owners may contact…
Complaints by component
SEATS
5
4fires1injuries
UNKNOWN OR OTHER
3
1crashes
ELECTRICAL SYSTEM
1
1fires
SERVICE BRAKES
1
1crashes
STEERING
1
1crashes
Total complaints11
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“2007 mercedes benz ml500. Consumer writes in regard to nhtsa safety recall 22v-315. The consumer is requesting reimbursement for a rental car.”
“The contact owns a 2007 mercedes benz ml500. The contact stated that while her boyfriend was driving, the front and back seat warmers were operating and the driver noticed smoke. The contact mentioned there was a smoke odor and noticed the front driver seat caught on fire. The contact stated that…”
“I had my heated seat on the medium setting. While on my short commute to work (about 8 minutes) this morning my driver seat started to smoke and burned a hole through the leather and melted part of my clothing.”
“I got into my car and turned on the seat warmer. After 10 minutes of driving on the highway I could smell smoke but thought it was outside the vehicle. A few seconds later I felt a burning sensation on my lower back. I reached my left hand behind me to check and felt something hot, when I pulled…”
“Mechanical failure, steering jam and brake did not work during driving at 15-20 mph in subdivision street. Got in accident hitting the van.”
“Mechanical failure, steering jam and brake did not work during driving at 15-20 mph in subdivision street. Got in accident hitting the van.”
“Mechanical failure, steering jam and brake did not work during driving at 15-20 mph in subdivision street. Got in accident hitting the van.”
“I was informed that my car had a recall in february and the local mercedes-benz dealership has just gave me the run around about getting a welder to come do the job. They have not got back to me about getting a welder to come and I feel like if it's a safety recall that they should get on the ball…”
Defect investigations
InvestigationPE08030 Opened 2008-04-25 · closed 2008-09-09
SEAT BACK WARMER OVERHEATS/BURNS
THIS PRELIMINARY EVALUATION INVESTIGATION CONCERNS THE SEAT BACK WARMER INSTALLED IN THE SUBJECT VEHICLES BUILT THROUGH MAY 2007, EQUIPPED WITH THE CTX' CARBOTEX SEAT WARMER DESIGN.THE DATA DISCLOSE FEW COMPLAINTS AND WARRANTY REPORTS CONCERNING THIS ISSUE.NONE OF THE FIRE REPORTS INVOLVED OPEN FLAME, BUT WERE…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2007 Mercedes-Benz Ml500 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.