Tl* the contact owned a 2018 (na) mercedes-benz gl450. After arriving home and parking the vehicle, it spontaneously caught fire. There were no warning indicators illuminated. The air bags did not deploy. There were no injuries. The fire department extinguished the fire. A police report was filed. The vehicle was towed to an independent lot. The contact called flagship motorcars of lynnfield north (385 broadway rte. 1, lynnfield, ma 01940, (781) 596-9700) and informed them of the failure. The vehicle was not diagnosed. The manufacturer was contacted and did not assist. The insurance company deemed the vehicle a total loss. The VIN was not available. The failure mileage was 11,000.
The worst 2017 Mercedes-Benz GL450 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
Recalls 2
Steering: electric power assist system
- What is wrong
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016 GLE300d 4Matic, E400 4Matic Coupe, GL63 AMG, GLE350, GLE350 4Matic, GLE350d 4Matic, GLE400 4Matic, GLE43 AMG Coupe 4Matic, GLE550e 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic and GLE63S AMG Coupe 4Matic vehicles, 2017 E300 4Matic and GLS63 AMG 4Matic vehicles, and 2016-2017 GL350 4Matic BlueTec, GL450 4Matic, and GL550 4Matic vehicles. The affected vehicles have an electric power steering connector that may be insufficiently sealed, allowing water to enter the control unit.
- Risk
- If water enters the power steering control unit, the power steering assist may be deactivated, increasing the risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will replace the connector and inspect the electric power steering rack, replacing the rack as necessary. These repairs will be performed free of charge. Remedy parts are currently unavailable. Interim notices informing owners of the safety risk are expected to be mailed June 30, 2017. Owners will receive a second notice when remedy parts become available. Owners may contact MBUSA customer service at 1‑800‑367‑6372.
Recall number 17V241000 · Recall details
Electrical system: software
- What is wrong
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.
- Risk
- If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.
- Remedy
- MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1‑800‑367‑6372.
Recall number 17V177000 · Recall details
Technical service bulletins for the 2017 Mercedes-Benz GL450 74
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic...
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- This document is intended as a pre-case diagnostic reference for transmission related concerns
- Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF...
What 2017 Mercedes-Benz GL450 owners say
Most recent owner complaints, unedited.
Compare the 2017 Mercedes-Benz GL450
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Questions about the 2017 Mercedes-Benz GL450
Is the 2017 Mercedes-Benz GL450 reliable?
Owners have filed 1 complaint about the 2017 Mercedes-Benz GL450, fewer than a typical GL450 model year.
What is the 2017 Mercedes-Benz GL450 year score?
The 2017 Mercedes-Benz GL450 scores 95 out of 100 (good). The score compares it with the other model years of the Mercedes-Benz GL450: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2017 Mercedes-Benz GL450?
Engine and cooling, with 1 complaint.
How many recalls does the 2017 Mercedes-Benz GL450 have?
2 recalls, covering steering and electrical system.
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