Is the 2017 Mercedes-Benz GLS a good car?
An honest AI verdict — reliability, common problems, and real cost to own.
B-6.5/10
The GLS 450 is a solid luxury SUV choice if you're looking for power and space, but be prepared for higher maintenance costs.
Get the full AI verdict — free
Pros
- Luxurious cabin
- Powerful turbocharged V6
- Spacious interior with third-row seating
Cons
- High maintenance costs
- Potential air suspension issues
- Some electronic system glitches
Ownership at a glance
Fuel economy (combined)
19 mpg
Maintenance cost
$1,500/yr
Expected lifespan
200,000 miles
Common problems to watch for
- Air suspension failure
- Timing chain tensioner issues
- Electrical system glitches
Compare similar cars
This AI-generated assessment is general guidance only, not a substitute for a professional inspection. Always inspect a used vehicle before purchase.