
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 1.0x the segment average of 23. 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. There are 2 recalls issued for this model year. ⚠️ 1 fire report filed.
23
Total Complaints
2
Recalls Issued
—/5
Safety Stars
1.0x
vs Segment Avg
Known Problems(top 5 of 8)
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
Recalls (2)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Fix: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Estimated Insurance Cost for 2019 Mercedes-Benz GLS 450
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Mercedes-Benz GLS 450 Service Intervals
Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Mercedes-Benz New-Vehicle Warranty Coverage
EQ EV battery warranty is 10 years/155,000 miles
These are the terms for a new Mercedes-Benz. If you're buying a used 2019 GLS 450, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.
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
- ☐RECALLS: Verify all 2 recalls have been completed — free at any Mercedes-Benz dealer
- ☐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
- 2
- Fire reports
- 1
- Crash reports
- 0
- Injury reports
- 0
- Segment avg
- 23
Check a Specific VIN
See recalls for YOUR 2019 Mercedes-Benz GLS 450