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2020 Mercedes-Benz GLS450
Problems & Complaints
Worst 2020 Mercedes-Benz GLS450 Problems by Category
Click on a category below for details. Help?
- transmission problems
- electrical problems
- fuel system problems
- engine problems
- drivetrain problems
- steering problems
- miscellaneous problems
- interior accessories problems
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Compare Mercedes-Benz GLS450 Model Years
Curious how the 2020 GLS450 compares to other years?
Check out our Mercedes-Benz GLS450 overview to see the most problematic years, worst problems and most recently reported complaints with the GLS450.
Worst 2020 Mercedes-Benz GLS450 Problems
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#1: Frequently Downshifts Harshly When Coming To A Stop 2020 GLS450
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
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