
2019 Mercedes-Benz GLS 450
Problems, Recalls & Reliability Report
Quick Summary
The 2019 Mercedes-Benz GLS 450 has 23 owner complaints filed with NHTSA — that's 0.3x the segment average of 80. The most common issue is other problems (22% of all complaints), specifically: backup safety alert system design is inadequate. exterior sensors are insensitive or erratic, warning buzzer is faint-to-inaudible, especially if there is other ambient noise such as radio playing, and warning buzzer sound level is not adjustable. warning lights that are coupled to the audible aler. ⚠️ 1 fire report filed.
23
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.3x
vs Segment Avg
Known Problems
OTHER
5 complaints- • BACKUP SAFETY ALERT SYSTEM DESIGN IS INADEQUATE. EXTERIOR SENSORS ARE INSENSITIVE OR ERRATIC, WARNING BUZZER IS FAINT-TO-INAUDIBLE, ESPECIALLY IF THERE IS OTHER AMBIENT NOISE SUCH AS RADIO PLAYING, AND WARNING BUZZER SOUND LEVEL IS NOT ADJUSTABLE. WARNING LIGHTS THAT ARE COUPLED TO THE AUDIBLE ALER
- • factory equiped jack lift failed, bearing and ring ejected and vehicle fall on the ground, contacted manufactory, and Mercedes indicated they probably can replace a new jack but no more action they will take, the vehicle has a gross weight about 6400lbs, and with air suspension, the vehicle will nee
- • Update Communication Module SIM Card Software - MBUSA ID: [XXX], NHTSA Recall ID: 22V365. I received the recall letter from MBUSA in July 2022. I took my car to a local dealership on 8 Aug 22 and they told me after approximately two hours they couldn't update/do OTA. They told me I would need to
“BACKUP SAFETY ALERT SYSTEM DESIGN IS INADEQUATE. EXTERIOR SENSORS ARE INSENSITIVE OR ERRATIC, WARNING BUZZER IS FAINT-TO-INAUDIBLE, ESPECIALLY IF THERE IS OTHER AMBIENT NOISE SUCH AS RADIO PLAYING, AND WARNING BUZZER SOUND LEVEL IS NOT ADJUSTABLE. WARNING LIGHTS THAT ARE COUPLED TO THE AUDIBLE ALER”
— NHTSA complaint filing
ENGINE
5 complaints- • The contact's client owns a 2019 Mercedes Ben GLS450. The contact stated that while the owner was driving at an undetermined speed, the vehicle began to smoke and caught fire. There were no warning indicator lights illuminated. There were no injuries or air bag deployment. A police report was file
- • 9/9/24 after 5pm I'm driving my car and the check engine light came one. I have a small autel handy scanner always in my car. I checked it right away and gives me the code P06DA (OIL PUM SOLENOID OPEN CIRCUIT - ELECTRICAL ISSUE). I stop on the side for a quick check, no knocking noise from the engin
- • The contact owns a 2019 Mercedes-Benz GLS450. The contact stated that while operating the vehicle, the check engine warning light remained illuminated, and the vehicle was jerking and hesitating while attempting to accelerate. The vehicle was taken to the local dealer who diagnosed and determined th
“The contact's client owns a 2019 Mercedes Ben GLS450. The contact stated that while the owner was driving at an undetermined speed, the vehicle began to smoke and caught fire. There were no warning indicator lights illuminated. There were no injuries or air bag deployment. A police report was file”
— NHTSA complaint filing
DRIVER ASSIST/CAMERAS
2 complaints- • Update Communication Module SIM Card Software - MBUSA ID: [XXX], NHTSA Recall ID: 22V365. I received the recall letter from MBUSA in July 2022. I took my car to a local dealership on 8 Aug 22 and they told me after approximately two hours they couldn't update/do OTA. They told me I would need to
- • Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par
“Update Communication Module SIM Card Software - MBUSA ID: [XXX], NHTSA Recall ID: 22V365. I received the recall letter from MBUSA in July 2022. I took my car to a local dealership on 8 Aug 22 and they told me after approximately two hours they couldn't update/do OTA. They told me I would need to ”
— NHTSA complaint filing
BODY/STRUCTURE
2 complaints- • Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par
- • The front vehicle hood keep saying it open but is lock keep getting a message saying is open I am afraid is might come out lock and cause me to an accident
“Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par”
— NHTSA complaint filing
ELECTRICAL
2 complaints- • Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par
- • At first, the parking brake assist would appear when vehicle was put into park or when starting. We would have to release the parking brake each time. Then, the parking brake assist light would not go on, but the parking brake assist would engage and or be sticking while driving causing a burning sm
“Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 23 owner complaints for this specific year, here's what to check or ask about:
- ☐OTHER: BACKUP SAFETY ALERT SYSTEM DESIGN IS INADEQUATE. EXTERIOR SENSORS ARE INSENSITIVE OR ERRATIC, WARNING BUZZER IS FAINT-TO-INAUDIBLE, ESPECIALLY IF THERE IS OTHER AMBIENT NOISE SUCH AS RADIO PLAYING, AND WARNING BUZZER SOUND LEVEL IS NOT ADJUSTABLE. WARNING LIGHTS THAT ARE COUPLED TO THE AUDIBLE ALER
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: The contact's client owns a 2019 Mercedes Ben GLS450. The contact stated that while the owner was driving at an undetermined speed, the vehicle began to smoke and caught fire. There were no warning indicator lights illuminated. There were no injuries or air bag deployment. A police report was file
Typically appears around 50K miles. Repair cost ~$500
- ☐DRIVER ASSIST/CAMERAS: Update Communication Module SIM Card Software - MBUSA ID: [XXX], NHTSA Recall ID: 22V365. I received the recall letter from MBUSA in July 2022. I took my car to a local dealership on 8 Aug 22 and they told me after approximately two hours they couldn't update/do OTA. They told me I would need to
Typically appears around 50K miles. Repair cost ~$500
- ☐BODY/STRUCTURE: Vehicle was damaged by a school bus hitting the rear passenger corner. It damaged the rear tail light, brake light, turn signal and backup warning sensors. Parts to repair the vehicle are not available for the past 4 months. I called multiple times and the dealer cannot provide a date when the par
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz GLS 450 — Year Comparison
How does 2019 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 23
- Recalls
- 0
- Fire reports
- 1
- Crash reports
- 0
- Injury reports
- 0
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2019 Mercedes-Benz GLS 450