2015 Mercedes-Benz ML400: complaints, problems and recalls

THIS NEW MERCEDES-BENZ ML400 HAS A MANUAL TRANSMISSION FEATURE THAT WITHOUT REASON REVERTS BACK TO AUTOMATIC WITHIN ABOUT 10 SECONDS WITHOUT ANY REASON. THIS PREVENTS THE DRIVER FROM BEING ABLE TO CONTROL TRACTION IN SLIPPERY OR OTHER DIFFICULT CONDITIONS, WHICH CLEARLY WAS OUR EXPERIENCE. THIS FEATURE IS MISREPRESENTED IN THE OWNERS MANUAL WHICH STATES AS HAVING A MANUAL TRANSMISSON CONTROL CAPABILITY AND WAS ALSO SOLD AS SUCH BY THE DEALERSHIP.

Owner-reported narrative. 800 miles reported. Look up ODI 10713809 at NHTSA ↗

I BELIEVE WITH MY HEART AND SOUL MY BEAUTIFUL WIFE WAS KILLED DUE TO FAILURE OF VEHICLE IN MOTION AND LOST ALL CONTROL.*DT*JB

Owner-reported narrative. 15,000 miles reported. Look up ODI 11090969 at NHTSA ↗

The cam shaft adjuster failed, causing a loss of power in the engine. Vehicle could not maintain speed on hills or merge onto interstates in this condition.

Owner-reported narrative. Look up ODI 11522582 at NHTSA ↗

The contact owns a 2015 Mercedes-Benz ML400. The contact stated while driving 45 MPH, the vehicle lost motive power without warning. The vehicle was towed to the residence. The dealer was contacted and stated the vehicle was not included in NHTSA Campaign Number: 22V955000 (Fuel System, Diesel, Fuel System, Gasoline). The vehicle was not diagnosed. The vehicle was not repaired. The manufacturer was contacted and stated that the VIN was not included in the recall. The contact was referred to the NHTSA Hotline for assistance. The failure mileage …

Owner-reported narrative. 79,000 miles reported. Look up ODI 11540104 at NHTSA ↗

Reported: 2016-06-16 (June 16, 2016)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 ML250, ML350, ML350 4Matic, ML400 4Matic, ML63 AMG, and 2016 GLE450 AMG 4Matic vehicles manufactured from April 27, 2015, through May 19, 2015. The affected vehicles may have had the right rear seatbelt anchor bolt incorrectly installed.

Consequence: In the event of a vehicle crash, the right rear seatbelt anchor bolt could fail to secure the passenger, increasing their risk of injury.

Remedy: MBUSA will notify owners, and dealers will inspect and, if necessary, correct the installation of the right rear seat belt anchor bolt, free of charge. The recall began on July 22, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.

Reported: 2016-12-14 (December 14, 2016)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 GL350 4Matic Blutec, GL450 4Matic, GL550 4Matic, ML250 Blutec, ML350, ML350 4Matic, ML400 4Matic and 2015-2016 GL63 AMG 4Matic vehicles manufactured September 29, 2014 through March 27, 2015. The affected vehicles have axle bolts on the front and/or rear drive axle carriers that may not have been assembled correctly. As a result, the remaining bolts may fracture.

Consequence: If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will replace the axle carrier bolts, free of charge. The recall is began February 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Reported: 2018-04-27 (April 27, 2018)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

Consequence: The leaking oil in the presence of an ignition source can increase the risk of a fire.

Remedy: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.

Reported: 2019-11-01 (November 1, 2019)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf

Consequence: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.

Reported: 2022-12-23 (December 23, 2022)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.

Consequence: An engine stall while driving increases the risk of a crash.

Remedy: Dealers will install a water drain plug, inspect for water intrusion, and replace the fuel pump control unit as necessary, free of charge. Owner notification letters were mailed February 15, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2023010002 and 2023010003.