BestCarRank
Mercedes-Benz

2022 Mercedes-Benz GLS 450

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2022 Mercedes-Benz GLS 450 has 27 owner complaints filed with NHTSA — that's 1.2x the segment average of 23. The most common issue is driver assist/cameras problems (19% of all complaints), specifically: the car radar system apparently had a glitch and locked up the wheels while i was driving 25 mph. yes, it is available for inspection. we are afraid to drive the car, it is just sitting. the car locked up so suddenly it made the rear wheel come off and rear of car fell to the ground. i was bruised . There are 8 recalls issued for this model year. ⚠️ 1 fire report filed.

1 fire report 5 crash reports

27

Total Complaints

8

Recalls Issued

/5

Safety Stars

1.2x

vs Segment Avg

Known Problems(top 5 of 8)

DRIVER ASSIST/CAMERAS

5 complaints
19%
  • The car radar system apparently had a glitch and locked up the wheels while I was driving 25 mph. Yes, it is available for inspection. We are afraid to drive the car, it is just sitting. The car locked up so suddenly it made the rear wheel come off and rear of car fell to the ground. I was bruised
  • The car has on 5+ occasions had the collision avoidance system shut down (photos of dash showing this are available and have been shared with the dealer). There were no weather incident at the time. Lane following........ same type of thing also shared with dealer. Most disturbing is on multiple
  • Car has been auto braking even though there is nothing in front of the car. This is extremely dangerous and could lead to serious rear end collisions. There are many similar complaints on online forums and Mercedes (and their lawyers) do nothing. Link to video: [XXX] INFORMATION REDACTED PURSUANT
Typical onset: 50K miles Est. repair: $500

The car radar system apparently had a glitch and locked up the wheels while I was driving 25 mph. Yes, it is available for inspection. We are afraid to drive the car, it is just sitting. The car locked up so suddenly it made the rear wheel come off and rear of car fell to the ground. I was bruised

— NHTSA complaint filing

Recalls (8)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP26/06/2023

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

Risk: A loss of drive power can increase the risk of a crash.

Fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

Estimated Insurance Cost for 2022 Mercedes-Benz GLS 450

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$2,250
Full coverage / month
$188
Liability only / year
$710
vs US avg
+34%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-luxury)1.28x
× theft risk1.00x
× safety rating1.00x
× vehicle age1.05x
= Full coverage estimate$2250

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

Oil change
10K mi / 12 mo
Tire rotation
10K mi
Brake fluid
24 months
Transmission fluid
40K mi
Engine coolant
150K mi
Spark plugs
60K mi
Cabin air filter
20K mi
Engine air filter
40K mi
Differential (AWD/4WD)
40K mi

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

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
4 yr / 50K mi
Hybrid/EV battery
10 yr / 155K mi
Corrosion (rust perforation)
4 yr / 50K mi
Roadside assistance
4 yr / unlimited mi

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 2022 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

DRIVER ASSIST/CAMERAS(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
SPEED CONTROL(~50K mi)
$500
OTHER(~50K mi)
$500
ENGINE(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 27 owner complaints for this specific year, here's what to check or ask about:

  • DRIVER ASSIST/CAMERAS: The car radar system apparently had a glitch and locked up the wheels while I was driving 25 mph. Yes, it is available for inspection. We are afraid to drive the car, it is just sitting. The car locked up so suddenly it made the rear wheel come off and rear of car fell to the ground. I was bruised

    Typically appears around 50K miles. Repair cost ~$500

  • ELECTRICAL: The contact owns a 2022 Mercedes-Benz GLS450. The contact stated that while his wife was driving approximately 35 MPH, the vehicle lost motive power and stalled. Additionally, the power steering was inoperable. There were several unknown warning lights illuminated; in addition to the check engine wa

    Typically appears around 50K miles. Repair cost ~$500

  • SPEED CONTROL: The contact owns a 2022 Mercedes-Benz GLS450. The contact stated that while his wife was driving approximately 35 MPH, the vehicle lost motive power and stalled. Additionally, the power steering was inoperable. There were several unknown warning lights illuminated; in addition to the check engine wa

    Typically appears around 50K miles. Repair cost ~$500

  • OTHER: I had been driving the car for about ten minutes when the 48v battery malfunction light came on. Within seconds, another warning appeared that said coolant was too hot, and the acceleration stopped accelerating and then went to a complete stop in the middle of the road. I didn't have time to pull ov

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 8 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 2022 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
27
Recalls
8
Fire reports
1
Crash reports
5
Injury reports
0
Segment avg
23

Check a Specific VIN

See recalls for YOUR 2022 Mercedes-Benz GLS 450