2020 Mercedes-Benz GLS-Class recalls

No safety recalls, 38 owner complaints. Official NHTSA data.

No recalls found for the 2020 Mercedes-Benz GLS-Class in NHTSA’s database.

0Recalls
38Complaints
4Crashes & fires reported
N/ANHTSA overall rating

Not every 2020 Mercedes-Benz GLS-Class is affected by every recall. Check your VIN to see open recalls on your exact vehicle.

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2020 Mercedes-Benz GLS-Class owner complaints

38 complaints filed with NHTSA, including 3 crashes, 1 fire, 3 injuries and 0 deaths.

Problems by component

Electrical System18
Engine9
Fuel/Propulsion System8
Forward Collision Avoidance7
Unknown or Other4
Power Train4
Air Bags2
Visibility/Wiper2
Structure2
Back Over Prevention2

Recent complaints

June 3, 2026Electrical SystemAir BagsVisibility/WiperCrash

AMENDMENT TO ACTIVE CASE 11723015. CRITICAL AIRBAG & SAFETY DEFECTS. This files a safety defect amendment to open case 11723015. Diagnostic scans confirm central data bus network collapse on VIN [XXX] has migrated into safety-critical occupant restraint and visibility modules, violating 49 U.S.C. § 30118. I. AIRBAG & RESTRAINT HAZARDS Scans from [XXX], document active faults: DTC U042782: "Implausible data received from Electronic Ignition Lock." The SRS module receives corrupted data from the failed ignition gateway, creating risk of airbag non-deployment. DTC B007A13: Passenger seatbelt pre-tensioner open circuit; occupants are unprotected against crash displacement. DTC B11FA4B: Active "O

May 15, 2026StructureUnknown or Other

Window trim on the passenger rear window fell off while driving- it put others at risk by flying off the vehicle on the interstate- Mercedes Benz of Omaha quoted replacement of the window trim parts- no warning messages on dash

May 15, 2026Structure

The contact owns a 2020 Mercedes Benz GLS. The contact stated that while driving on the highway, the rear door window trim bars on the passenger side detached from the window. The vehicle was taken to the dealer where they diagnosed as a rear door window trim detachment however the vehicle was not repaired. The manufacturer was not notified of the issue. The approximate failure mileage 65,000.

May 10, 2026Electrical SystemEngineFuel/Propulsion SystemFire

The engine wiring harness insulation near the ignition coil connectors prematurely deteriorated due to prolonged exposure to engine heat in the turbocharger/exhaust area. Multiple wiring connectors exhibited brittle, cracked insulation with exposed conductors. The degraded wiring began shorting within the ignition system, causing engine misfires, ignition circuit faults, and eventual loss of engine operation. While being operated by a rental customer the vehicle developed severe misfires followed by electrical shorting, smoke, localized flames in the engine harness area, and eventual engine shutdown. The flames self-extinguished after the electrical shorting stopped, but portions of the harn

March 22, 2026Forward Collision Avoidance

On a sunny afternoon without zero clouds in the sky, 75 degrees I was driving at 35 mph on a two-lane road with no cars in front of me, behind me, or coming in the other direction, the brakes were urgently and automatically applied and the seat belts dramatically tightened. The system showed a large red X on the screen. It was obvious the automated safety system mistakenly thought we were about to crash into something but there wasn't anything but smooth asphalt.

2020 Mercedes-Benz GLS-Class crash test ratings

VersionOverallFrontalSideRollover
2020 Mercedes-Benz GLS-Class SUV 4WDNot ratedNot ratedNot ratedNot rated

Driver aids on the tested 2020 Mercedes-Benz GLS-Class: electronic stability control standard, forward collision warning standard, lane departure warning no.

2020 Mercedes-Benz GLS-Class recall FAQ

Does the 2020 Mercedes-Benz GLS-Class have any recalls?

No recalls are currently listed for the 2020 Mercedes-Benz GLS-Class. Check again before buying, as new recalls can be issued at any time.

What are the most common 2020 Mercedes-Benz GLS-Class problems?

Owners have filed 38 complaints with NHTSA. The most reported area is electrical system (18 reports), followed by engine.

Is the 2020 Mercedes-Benz GLS-Class safe?

NHTSA has not published an overall crash test rating for the 2020 Mercedes-Benz GLS-Class.

How do I get a recall fixed on my 2020 Mercedes-Benz GLS-Class?

Contact any authorized Mercedes-Benz dealer. Recall repairs are free, even if you are not the original owner or the warranty has expired.