2020 MERCEDES BENZ GLS 450 Problems & Recalls
Detailed safety information and owner complaints
Problem Breakdown
Compare to Other Years
Common Problems
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AM...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles. The air conditioner drain...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicl...
Mercedes-Benz, LLC (MBUSA) is recalling certain 2020 Mercedes-Benz GLS 450 and GLS 580 vehicles. The front air bag wiring harness may be routed incorrectly, which can cause the air bag not to deploy ...
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, G...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please ...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, G...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS450, GLS580, GLE350, GLE450, AMG C63, and 2021 AMG GLE53 vehicles. The seats may have been assembled incorrectly.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Co...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLE 53, 2020 GLE350, GLE450, GLE580, GLS450, and GLS580 vehicles. The air conditioner drain hoses may have been incorrectly installed, cau...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE450, GLE350, and 2020 GLS450, GLE580, GLS580 vehicles. During certain evasive driving maneuvers, the Electronic Stability Program (ESP)...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-C...
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS 450, GLE 350, GLE 450, and 2021 AMG GLE53 vehicles. The dashboard surface may not be properly secured to the base material.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE 350, GLE 450, GLE 580, GLS 450, GLS 580 vehicles equipped with an optional illuminated Mercedes-Benz star logo in the front grill. The st...
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE450, GLS450, and GLS580 vehicles. The sealing of the piston assembly in the front struts and rear shock absorbers may leak and fail premat...
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE450 AND GLS450 vehicles. The seams on the rear crossmember may have been insufficiently welded. This may allow cracks to form whe...
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE350 4MATIC, GLS450 4MATIC, and GLE450 4MATIC vehicles. The air conditioner drain hoses may have been incorrectly installed, causin...
The sunroof spontaneously shattered while driving down the interstate. No other cars involved and no rocks or debris caused it. It was inspected and repaired at a Mercedes dealer, however, Mercedes refused to cover the repair under the pre-owned certified warranty. We had to file an insurance claim....
The vehicle, 2020 Mercedes-Benz GLS450, was being backed out of the garage when an electrical failure occurred causing the vehicle to malfunction. This was a major safety issue that caused the entire vehicle electrical control systems to fail as the vehicle would not turn-off. The vehicle eventual...
On numerous occasions the transmission does not fully down shift to the next lower gear and then when I have to accelerate quickly it will drop down to the lower gear like it’s supposed to but won’t shift out to the next higher gear and when I let my foot off the accelerator the truck slows dow...
I am writing to escalate an unresolved service issue with my 2020 Mercedes Benz GLS 450, VIN [XXX] . During a maintenance service on March 6, my trusted independent services shop for 25 years, Carrera Motors in San Mateo CA, identified that the electrical harness of my GLS 450 was significantly da...
I am writing to escalate an unresolved service issue with my 2020 Mercedes Benz GLS 450, VIN [XXX] . During a maintenance service on March 6, my trusted independent services shop for 25 years, Carrera Motors in San Mateo CA, identified that the electrical harness of my GLS 450 was significantly da...
On a long road trip - about halfway on [XXX] - received an error message on 48v system malfunction - immediately called nearest Mercedes dealership (Richmond Va) to schedule a service - while on the line received an engine overheating pull over and shut it off message - at this point vehicle deaccel...
The shock absorbers have prematurely failed as other recalled 2020 GLS vehicles, but our VIN is not showing under the recall campaign 20V329000. Can our vehicle be included on this recall?
intermittent rear view camera inoperable when you shift from park to reverse. Doesnt come on even if you turn off and tune on the engine.
The adaptive cruise control feature of this vehicle on various highways [XXX] , [XXX] and the [XXX] ) and in various locations while traveling at highway speeds has mis-read speed limit signs and aggressively decelerated(I assume by using its regenerative braking) to as low as 35mph while traffic i...
The adaptive cruise control feature of this vehicle on various highways [XXX] , [XXX] and the [XXX] ) and in various locations while traveling at highway speeds has mis-read speed limit signs and aggressively decelerated(I assume by using its regenerative braking) to as low as 35mph while traffic i...
We intermittently experience phantom braking, including on the highway with no objects or vehicles ahead of us (for example, not on a curve, no vehicle visible within half a kilometer). Vehicle abruptly slows. This includes when in a lane (no lane change). It also can occur during a properly indicat...
I have received multiple notifications over several months that read "Camera view restricted". This impacts the collision avoidance and adaptive highbeam assist functions. Dealer has offered no service recommendations.
I have received multiple notifications over several months that read "Camera view restricted". This impacts the collision avoidance and adaptive highbeam assist functions. Dealer has offered no service recommendations.
I have received multiple notifications over several months that read "Camera view restricted". This impacts the collision avoidance and adaptive highbeam assist functions. Dealer has offered no service recommendations.
While driving on the New Jersey Turnpike on November 17, 2023, a burning smell was noticed inside the car. The smell lasted about an hour. No smoke was present and the car continued to operate. While concerned, I assumed it was environmental and outside the car. On November 25, 2023 my car thre...
The passenger rear wheel brake caliper lower bolt got loose. The bolt is most likely not available for inspection. The caliper body then started rubbing against the wheel inside surface and caused a noise. If the caliper body had jammed into the wheel and stopped it from rotating, say on the highwa...
Today around 6:47pm. I was reversing my car and I noticed another car in my backup camera and tried shift the gear shift to drive but it didn't work and stayed stuck on reverse and would not moved and the brake pedal and emergency brake wouldn't work.
Today around 6:47pm. I was reversing my car and I noticed another car in my backup camera and tried shift the gear shift to drive but it didn't work and stayed stuck on reverse and would not moved and the brake pedal and emergency brake wouldn't work.
Today around 6:47pm. I was reversing my car and I noticed another car in my backup camera and tried shift the gear shift to drive but it didn't work and stayed stuck on reverse and would not moved and the brake pedal and emergency brake wouldn't work.
The dashboard screen stops working randomly. This is not related to extreme outdoor temp conditions. Mercedes dealer could not reproduce the problem and therefore could not offer any solution. Problem has happened 5-6 times over the past 7 months. Please watch video below: [XXX] INFORMATION R...
Vehicle would not start. 48v battery light came on. Waited 15 minutes, vehicle started, drove to dealership who did diagnosis. Battery replacement required $1800 + $1200 labor. 2020 vehicle with 61K miles. Bought certified vehicle from MBZ dealership, added a MBZ 3 year or 100K mile extended warrant...
I have noticed a significant issue with the AC vent system of my Mercedes GLS 450. The vents seem to be distributing mold smell already took my vehicle multiple times to park place Mercedes in Dallas and they performed service but the issue is persistent. I have taken the vehicle to my local Mercede...
03/17/2023 driving on US1 coming up to speed after pulling onto highway after cars passed I went 0.2 miles and was looking at my driver side mirror ( no traffic on road ahead of me) when I hit something that pushed my big SUV toward oncoming traffic. I held wheel and muscled car to side of road sto...
03/17/2023 driving on US1 coming up to speed after pulling onto highway after cars passed I went 0.2 miles and was looking at my driver side mirror ( no traffic on road ahead of me) when I hit something that pushed my big SUV toward oncoming traffic. I held wheel and muscled car to side of road sto...
03/17/2023 driving on US1 coming up to speed after pulling onto highway after cars passed I went 0.2 miles and was looking at my driver side mirror ( no traffic on road ahead of me) when I hit something that pushed my big SUV toward oncoming traffic. I held wheel and muscled car to side of road sto...
This incident occurred around 5:50pm on Wednesday, September 21, 2022. I was driving on a merge connector between two freeways in San Francisco at about 60mph, when the vehicle threw a series of error codes and warnings on its displays, culminating with “shut down engine immediately”. The firs...
This incident occurred around 5:50pm on Wednesday, September 21, 2022. I was driving on a merge connector between two freeways in San Francisco at about 60mph, when the vehicle threw a series of error codes and warnings on its displays, culminating with “shut down engine immediately”. The firs...
This incident occurred around 5:50pm on Wednesday, September 21, 2022. I was driving on a merge connector between two freeways in San Francisco at about 60mph, when the vehicle threw a series of error codes and warnings on its displays, culminating with “shut down engine immediately”. The firs...
On numerous occasions, when either slowing down or in a slow turn, the engine dies and will not reengage until I have turned off the vehicle, exited, then reentered an started the vehicle. I have had passengers in the vehicle who will attest to this occurring, in fact, the last time it happened, I ...
On numerous occasions, when either slowing down or in a slow turn, the engine dies and will not reengage until I have turned off the vehicle, exited, then reentered an started the vehicle. I have had passengers in the vehicle who will attest to this occurring, in fact, the last time it happened, I ...
On numerous occasions, when either slowing down or in a slow turn, the engine dies and will not reengage until I have turned off the vehicle, exited, then reentered an started the vehicle. I have had passengers in the vehicle who will attest to this occurring, in fact, the last time it happened, I ...
While driving, vehicle has abruptly stopped/engine turned off causing car to not accelerate and come to a stop. One instance was on a busy freeway, causing our family to pull off the interstate with nearly no curb, risking rear-end collision due to the abrupt stalling of the vehicle. In this instanc...
While driving, vehicle has abruptly stopped/engine turned off causing car to not accelerate and come to a stop. One instance was on a busy freeway, causing our family to pull off the interstate with nearly no curb, risking rear-end collision due to the abrupt stalling of the vehicle. In this instanc...
While driving, vehicle has abruptly stopped/engine turned off causing car to not accelerate and come to a stop. One instance was on a busy freeway, causing our family to pull off the interstate with nearly no curb, risking rear-end collision due to the abrupt stalling of the vehicle. In this instanc...
MBUX Failure Customer sold MB GLS450 with all season MB Floor matts, Water on shoes drains on floor matts, car is driven and when braking water floods the underneath the front passenger seat and enters the MBUX and shuts down all electronics. This was identified as an issue with Mercedes Benz and t...
The vehicle warnign system displayed "48v Malfunction." Vehicke lost all acceleration in the middle of the highway. The vehicle was just returned3 days ago after undergoing a state inspection at the MB dealership. In looking at the issue on line this appears to be a known problem to Mercedes. Th...
The vehicle warnign system displayed "48v Malfunction." Vehicke lost all acceleration in the middle of the highway. The vehicle was just returned3 days ago after undergoing a state inspection at the MB dealership. In looking at the issue on line this appears to be a known problem to Mercedes. Th...
The vehicle warnign system displayed "48v Malfunction." Vehicke lost all acceleration in the middle of the highway. The vehicle was just returned3 days ago after undergoing a state inspection at the MB dealership. In looking at the issue on line this appears to be a known problem to Mercedes. Th...
Upon starting the car, the screen of the 2020 Mercedes Benz GLS 450 remained blank. This includes the portion of the dashboard that reads speedometer, gas, temperature, RPM. The engine was running and truck could still be driven. The vehicle is available for inspection upon request. This is a majo...
Upon starting the car, the screen of the 2020 Mercedes Benz GLS 450 remained blank. This includes the portion of the dashboard that reads speedometer, gas, temperature, RPM. The engine was running and truck could still be driven. The vehicle is available for inspection upon request. This is a majo...
We were driving the vehicle at about 30 MPH on a road when suddenly the engine completely shut off. There was no more power steering and no warning that it turned off. We got the car slowed down and once we came to a stop the car put itself in Park. After that we could restart it and keep driving wi...
We were driving the vehicle at about 30 MPH on a road when suddenly the engine completely shut off. There was no more power steering and no warning that it turned off. We got the car slowed down and once we came to a stop the car put itself in Park. After that we could restart it and keep driving wi...
We were driving the vehicle at about 30 MPH on a road when suddenly the engine completely shut off. There was no more power steering and no warning that it turned off. We got the car slowed down and once we came to a stop the car put itself in Park. After that we could restart it and keep driving wi...
The vehicle issued a “48v battery malfunction” and the car warned me not to drive the vehicle under any circumstance. This was while driving at 55 mph on a country road. The dealer I bought the car from had 3 other cars brought in for the same issue. The dealer my car was towed to said they just...
WE PURCHASED A NEW 2020 MERCEDES BENZ GLS 450 IN OCTOBER 2019 FROM THE OAKLAND DEALERSHIP AND SHIPPED THE CAR TO HAWAII. THE VEHICLE IS NOW 117 MONTHS OLD AND HAS ABOUT 4100 MILES. BECAUSE OUR VEHICLE IS LIGHTLY USED WE ARRANGED FOR MERCEDES BENZ TO SUPPLY AND INSTALLED A 'BATTERY MINDER' TO KEEP TH...
Mileage: 4,200
WE PURCHASED A NEW 2020 MERCEDES BENZ GLS 450 IN OCTOBER 2019 FROM THE OAKLAND DEALERSHIP AND SHIPPED THE CAR TO HAWAII. THE VEHICLE IS NOW 117 MONTHS OLD AND HAS ABOUT 4100 MILES. BECAUSE OUR VEHICLE IS LIGHTLY USED WE ARRANGED FOR MERCEDES BENZ TO SUPPLY AND INSTALLED A 'BATTERY MINDER' TO KEEP TH...
Mileage: 4,200
WE PURCHASED A NEW 2020 MERCEDES BENZ GLS 450 IN OCTOBER 2019 FROM THE OAKLAND DEALERSHIP AND SHIPPED THE CAR TO HAWAII. THE VEHICLE IS NOW 117 MONTHS OLD AND HAS ABOUT 4100 MILES. BECAUSE OUR VEHICLE IS LIGHTLY USED WE ARRANGED FOR MERCEDES BENZ TO SUPPLY AND INSTALLED A 'BATTERY MINDER' TO KEEP TH...
Mileage: 4,200
CLIP MISSING FROM RIGHT HAND SIDE PASSENGER SEAT (2ND ROW), CAUSING THE SEAT TO FOLD ALL THE WAY FORWARD MULTIPLE TIMES ON ITS OWN. THIS HAPPENED WHEN THE CAR WAS STATIONARY. THE DEALERSHIP FIXED THE ISSUE AND ADDED THE MISSING CLIP.
Mileage: 1,000
WHILE DRIVING THE VEHICLE, A SERIES OF ELECTRICAL SYSTEM WARNINGS WERE DISPLAYED IN RAPID SUCCESSION. SHORTLY THEREAFTER, THE VEHICLE LOST POWER, THE ENGINE SHUT OFF, AND THE VEHICLE BEGAN TO GLIDE. THIS INCIDENT OCCURRED ON A RESIDENTIAL STREET WHILE THE VEHICLE WAS TRAVELLING AT 25-30 MPH. THE WAR...
Mileage: 8,900