BestCarRank
Mercedes-Benz

2022 Mercedes-Benz GLS 450

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2022 Mercedes-Benz GLS 450 has 27 owner complaints filed with NHTSA — that's 0.3x the segment average of 80. 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 . ⚠️ 1 fire report filed.

1 fire report 5 crash reports

27

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.3x

vs Segment Avg

Known Problems

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

ELECTRICAL

4 complaints
15%
  • 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
  • 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
  • As I approached a red light and removed my foot from the gas pedal to brake, my dashboard displayed several alarming messages: “Active Brake Assist Functions Limited See Owner's Manual,” “Active Blind Spot Assist Inoperative,” “To Deselect P or N Depress Brake and Start Engine,” and “Traction Contro
Typical onset: 50K miles Est. repair: $500💥 1 crashes

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

— NHTSA complaint filing

SPEED CONTROL

4 complaints
15%
  • 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
  • As I approached a red light and removed my foot from the gas pedal to brake, my dashboard displayed several alarming messages: “Active Brake Assist Functions Limited See Owner's Manual,” “Active Blind Spot Assist Inoperative,” “To Deselect P or N Depress Brake and Start Engine,” and “Traction Contro
  • 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
Typical onset: 50K miles Est. repair: $500

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

— NHTSA complaint filing

OTHER

4 complaints
15%
  • 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
  • I heard a very loud boom. It scared me. The sunroof exploded. I did not see anything in the road or any object flying toward me. Then I heard cracking and the sunroof started falling in above me. Thankfully, the fabric cover kept the glass from falling on me. Otherwise, the glass would have falle
  • 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
Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

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

— NHTSA complaint filing

ENGINE

3 complaints
11%
  • Car went into limp mode which causes loss of acceleration on major highway. This same issue of going into limp mode happened August of 2022 when the vehicle has less than 1000 miles. The car has 5750 miles and the temperature gauge showed yellow. Then the the yellow engine light came on and then the
  • As I approached a red light and removed my foot from the gas pedal to brake, my dashboard displayed several alarming messages: “Active Brake Assist Functions Limited See Owner's Manual,” “Active Blind Spot Assist Inoperative,” “To Deselect P or N Depress Brake and Start Engine,” and “Traction Contro
  • Vehicle lost power while driving on a busy freeway and came to a complete stop and would not restart resulting in it being struck by a vehicle in the rear. More information available in the collision center pre estimate scan and full estimate.
Typical onset: 50K miles Est. repair: $500💥 1 crashes

Car went into limp mode which causes loss of acceleration on major highway. This same issue of going into limp mode happened August of 2022 when the vehicle has less than 1000 miles. The car has 5750 miles and the temperature gauge showed yellow. Then the the yellow engine light came on and then the

— NHTSA complaint filing

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

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
27
Recalls
0
Fire reports
1
Crash reports
5
Injury reports
0
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2022 Mercedes-Benz GLS 450