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2017 Mercedes-Benz Gls 450 Problems and Recalls

Owners filed 35 complaints with NHTSA about the 2017 Mercedes-Benz Gls 450, most often about the electrical (23% of complaints). It is the 2nd most complained-about Gls 450 model year since 2000 and has 8 recalls.

Complaints35
Recalls8
Crashes reported1
Fires reported6
Injuries reported1

Most common 2017 Mercedes-Benz Gls 450 problems

  1. Electrical

    8 complaints · 23%

    Vehicle is only 3 weeks old. A faulty engine wire harness caused the vehicle to cease operating in traffic and put my family in a potentially life threatening situation. Mercedes did not replace but only "repaired" the wire, which we were told was not assembled correctly and was pinched in a bracket and subsequently…
    Owner report to NHTSA, 2016, at 1,000 miles
    After owning the vehicle for more than 2 years, the rear tailgate opened by itself 3 times in 8 days. The first time, the vehicle was parked in our home garage. The second time, we were traveling on a citiy street when the tailgate just popped open on its own. The third time, when exiting a parking garage with a low…
    Owner report to NHTSA, 2019, at 5,900 miles
  2. Engine

    8 complaints · 23%

    Vehicle is only 3 weeks old. A faulty engine wire harness caused the vehicle to cease operating in traffic and put my family in a potentially life threatening situation. Mercedes did not replace but only "repaired" the wire, which we were told was not assembled correctly and was pinched in a bracket and subsequently…
    Owner report to NHTSA, 2016, at 1,000 miles
    The contact owned a 2017 Mercedes-Benz gls450. After the vehicle was parked for approximately 30 seconds, it caught fire. Prior to the failure, the contact noticed that the cup holder and armrest console were hot. The contact noticed an odor of burning rubber in the vehicle. The fire department extinguished the fire.…
    Owner report to NHTSA, 2019, at 40,000 miles
  3. Other or unspecified

    7 complaints · 20%

    While driving down the turner turnpike (between tulsa and okc, around 70-75mph)the vehicle without warning has swerved left and right on three different occasions. The action felt as if the hand of god was throwing US left and then right. The car has a mind of its own. Then the last time that I drove the car it…
    Owner report to NHTSA, 2017, at 1,750 miles
    2017 mercedes benz Gls 450 4matic purchased september 2016. Returned vehicle to dealership 6 (six) times for foul smell coming from air conditioning unit. Foul, moldy smell still remains. Dealer has changed multiple parts, cleaned the a system and replaced dust and fine particle filter each time. The smell always…
    Owner report to NHTSA, 2019, at 12,314 miles
  4. Lights

    6 complaints · 17%

    My 2017 mercedes benz Gls 450 has standard halogen lighting from the factory. It has very poor visibility in rainy,fog conditions. Also very poor visibility in urban areas where there is partial street lighting. The low bean headlights are too dim to see infront of vehicle. This is very big SUV and feel it is safety…
    Owner report to NHTSA, 2018, at 13,000 miles
    The contact owns a 2017 Mercedes-Benz gls450. The contact heard an abnormal humming sound when the vehicle was started, and the humming sound grew louder over time. The contact believed that the humming sound was coming from the driver's side headlamp. The contact stated that the headlamp was equipped with a small…
    Owner report to NHTSA, 2026, at 135,500 miles
  5. Fuel system

    6 complaints · 17%

  6. Steering

    4 complaints · 11%

    While driving down the turner turnpike (between tulsa and okc, around 70-75mph)the vehicle without warning has swerved left and right on three different occasions. The action felt as if the hand of god was throwing US left and then right. The car has a mind of its own. Then the last time that I drove the car it…
    Owner report to NHTSA, 2017, at 1,750 miles
    When in distronic+ which includes lane keeping assist, my car swerves sharply out of its lane for no apparent reason which, while infrequent, could cause an accident. I have taken my car to the local dealer resulting in no cause identification and have provided an email to mercedes customer service with no response…
    Owner report to NHTSA, 2017, at 8,500 miles

Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.

2017 Mercedes-Benz Gls 450 recalls

  1. Electrical: software

    NHTSA 22V365000 · May 20, 2022 · 242,722 vehicles

    Risk: A disabled ecall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

    Fix: The communication module software will be updated through an over-the-air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed july 8, 2022. Owner notification letters will be mailed in phases, on july 8, 2022, may 17, 2024, july 29, 2024, and september 27, 2024. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's numbers are for this recall is 2022060005 and 2023110006.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2017-2022 cla-class, gla-class, gle-class, gls-class, slc-class, a-class, amg gt-class, c-class, e-class, s-class, sl-class, glc-class, cls-class, glb-class, and g-class vehicles. Please refer to mbusa's recall report for specific vehicle model details. An error in the communication module's sim card software can cause a mobile network connection failure, disabling the emergency call (ecall) system.

  2. Infotainment and connectivity: auto crash notification

    NHTSA 21V072000 · February 12, 2021 · 67 vehicles

    Risk: A disabled ecall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

    Fix: Mbusa will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began march 31, 2021. Letters for the owners of the 9 additional vehicles were mailed july 9, 2021. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2021030005.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2017-2019 c300, e300, 2018-2020 cla250, 2020 cls450, amg e53, amg gt53, gle450, 2018 amg e63, amg gta, 2017-2020 gla250, glc300, 2019 glc350, amg glc43, 2017-2018 gle350, 2019 amg glc 43, glc350, gle400, 2017 gls450, s550, c300 cabrio, and 2018-2019 s560 vehicles. On june 18, 2021, an additional 9 vehicles were added, including certain 2021 gla250, glc300, 2018 s450, e400, and 2017 cla250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the emergency call (ecall) function.

  3. Infotainment and connectivity: auto crash notification

    NHTSA 21V058000 · February 5, 2021 · 1,292,258 vehicles

    Risk: Failure of the ecall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

    Fix: Mbusa will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began march 12, 2021. Owners may contact mbusa customer service at 1-877-762-8267. Mbusa's number for this recall is 2021020025.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2016 - 2021 cla-class, gla-class, gle-class, gls-class, slc-class, a-class, gt-class, c-class, e-class, s-class, cls-class, sl-class, b-class, glb-class, glc-class, and g-class vehicles. Please refer to the part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.

  4. Infotainment and connectivity: communication

    NHTSA 19V787000 · November 1, 2019 · 24,226 vehicles

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

    Fix: 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.

    Full defect summary

    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

  5. Suspension: front

    NHTSA 18V272000 · April 27, 2018 · 9,725 vehicles

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

    Fix: 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.

    Full defect summary

    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.

  6. Doors and locks: latch

    NHTSA 17V816000 · December 18, 2017 · 8,700 vehicles

    Risk: If the door appears to be locked, the door may be unintentionally opened, increasing the risk of injury.

    Fix: Mbusa will notify owners, and dealers will inspect the left rear door lock, replacing it as necessary, free of charge. The recall is expected to begin in january 2018. Owners may contact mbusa customer service at 1-877-496-3691.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2017 gle400 4matic, gle350 4matic, gle350, gle550e 4matic, gle43 amg 4matic, gle63 amg 4matic, gls450, gle63s 4matic, gls63 4matic, s550e, s600, s63 amg 4matic, s65 amg, s550, mercedes-maybach s600, mercedes-maybach s550 4matic, gle43 amg 4matic coupe, gle63s 4matic coupe, 2017-2018 gls550 4matic, s550 4matic, 2018 s450, and s63 amg 4matic vehicles. The rear passenger door on the driver side may indicate that it is locked, when it may not be. As such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard (fmvss) number 206, "door locks and door retention components."

  7. Air bags: inflator module

    NHTSA 17V655000 · October 17, 2017 · 3,620 vehicles

    Risk: If the passenger's frontal air bag does not function as designed in the event of a crash, the front seat passenger has an increased risk of injury.

    Fix: Mbusa will notify owners, and dealers will remove any excess bulkhead insulation and rework the windshield bonding, as necessary, free of charge. Interim owner letters will be mailed in december 2017. Owners will receive a second notice when the remedy is available in late january 2018. Mbusa's number for this recall is 2018020002. Owners may contact mbusa customer service at 1-877-496-3691.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2016 gle300d 4matic, gle400 4matic, gle350 4matic, gle63 amg, gle63 amg coupe, gle63s amg and gle63s amg coupe, and 2017 gls450 4matic, gle550 4matic, and gle63 amg 4matic vehicles. These vehicles may have excess bulkhead insulation extending into the lower windshield area, possibly affecting the windshield bonding and the full protective function of the passenger's frontal air bag in the event of a crash.

  8. Doors and locks: latches/locks/linkages

    NHTSA 17V077000 · February 8, 2017 · 5,882 vehicles

    Risk: In the event of a crash, if objects are not secured within the center console, they may strike the vehicle occupants, increasing their risk of injury.

    Fix: Mbusa will notify owners, and dealers will modify the center console so that it remains latched in a crash, free of charge. The recall is expected to begin in early march 2017. Owners may contact mbusa customer service at 1-800-367-6372.

    Full defect summary

    Mercedes-benz USA, llc (mbusa) is recalling certain 2017 gle 400 4matic, gle 350 4matic, gle 350, gle 550e 4matic, gle 63 amg, gle 63s amg, gle 43 amg 4matic coupe, gle 63s amg 4matic coupe, gls 450 4matic, gls 550 4matic, and gls 63 amg 4matic vehicles. In certain types of crash events, the center console may unlatch, allowing the objects within to fly around the cabin. As such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard (fmvss) number 201, "occupant protection in interior impact."

Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.

Questions about the 2017 Mercedes-Benz Gls 450

What are the most common problems with the 2017 Mercedes-Benz Gls 450?
By NHTSA owner complaints: electrical (8 complaints); engine (8 complaints); other or unspecified (7 complaints).
How many recalls does the 2017 Mercedes-Benz Gls 450 have?
8 recalls listed by NHTSA, the latest from May 20, 2022 (electrical). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
Is the 2017 a bad year for the Mercedes-Benz Gls 450?
It is the 2nd most complained-about Gls 450 model year since 2000, with 35 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.

Other Mercedes-Benz Gls 450 years

Mercedes-Benz Gls 450 problems by year