2025 Mercedes-Benz GLS 450 4MATIC
Problems, Recalls & Reliability Report
Quick Summary
The 2025 Mercedes-Benz GLS 450 4MATIC has 12 owner complaints filed with NHTSA — that's 1.0x the segment average of 12. The most common issue is engine problems (17% of all complaints), specifically: the contact owns a 2025 mercedes-benz gls450 4matic. the contact stated that while driving at an undisclosed speed, the engine overheated, with several unknown warning lights illuminated. the vehicle was taken to the dealer, where it was diagnosed that the coolant pump had failed and needed to be re. There is 1 recall issued for this model year.
12
Total Complaints
1
Recalls Issued
—/5
Safety Stars
1.0x
vs Segment Avg
Known Problems(top 5 of 8)
ENGINE
2 complaints- • The contact owns a 2025 Mercedes-Benz GLS450 4Matic. The contact stated that while driving at an undisclosed speed, the engine overheated, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed that the coolant pump had failed and needed to be re
- • The contact owns a 2025 Mercedes-Benz GLS450 4Matic. The contact stated that while driving at an undisclosed speed, the engine overheated, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed that the coolant pump had failed and needed to be re
“The contact owns a 2025 Mercedes-Benz GLS450 4Matic. The contact stated that while driving at an undisclosed speed, the engine overheated, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed that the coolant pump had failed and needed to be re”
— NHTSA complaint filing
Recalls (1)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 GLE 350 4MATIC, 2025 GLE 450e 4MATIC, GLE 450 4MATIC Coupe, GLE 450 4MATIC, GLS 450 4MATIC, Maybach GLS 600 4MATIC, AMG GLE 53 4MATIC, AMG GLE 53 4MATIC Coupe, AMG GLE 63 S 4MATIC Coupe, and AMG GLS 63 4MATIC vehicles. The multi-purpose camera and the rearview mirror may be insufficiently attached to the windshield and may detach.
Risk: A detached mirror can reduce visibility for the driver. A detached camera can cause a loss of certain driving assistance systems, such as Active Lane Keeping Assist and Active Brake Assist. Either of these situations can increase the risk of a crash.
Fix: Dealers will replace the windshield and reinstall the multi-purpose camera and rearview mirror, free of charge. Owner notification letters were mailed June 27, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025060001.
Fuel Cost Calculator for 2025 Mercedes-Benz GLS 450 4MATIC
Live EIA pricesBased on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.
5-Year Gas Price History
EIA weekly retail data · 2021 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2025 Mercedes-Benz GLS 450 4MATIC
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 4MATIC 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
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 12 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: The contact owns a 2025 Mercedes-Benz GLS450 4Matic. The contact stated that while driving at an undisclosed speed, the engine overheated, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed that the coolant pump had failed and needed to be re
Typically appears around 50K miles. Repair cost ~$500
- ☐BRAKES: I am writing to file a formal complaint regarding a serious malfunction of the Automatic Emergency Braking (AEB) system. This malfunction caused my vehicle to unexpectedly perform an emergency stop without a valid cause, resulting in significant damage to its suspension system. Incident Details: •D
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: I am writing to file a formal complaint regarding a serious malfunction of the Automatic Emergency Braking (AEB) system. This malfunction caused my vehicle to unexpectedly perform an emergency stop without a valid cause, resulting in significant damage to its suspension system. Incident Details: •D
Typically appears around 50K miles. Repair cost ~$500
- ☐DRIVER ASSIST/CAMERAS: Accident report: Local ID [XXX] Agency: ISPLowell 13 Date [XXX] Time approx [XXX] Milepost [XXX] on [XXX] Auto: 2025 Mercedes GLS 450 fully loaded Single car accident See attached pictures for damage State Farm insurance - claim filed (claim # [XXX]) Claim filed with Mercedes Benz on 3/9/2026 to acc
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 1 recall 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 4MATIC — Year Comparison
How does 2025 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 12
- Recalls
- 1
- Fire reports
- 0
- Crash reports
- 3
- Injury reports
- 2
- Segment avg
- 12
Check a Specific VIN
See recalls for YOUR 2025 Mercedes-Benz GLS 450 4MATIC