2021 Mercedes-Benz GLE 450 Problems
- Complaints
- 15filed with NHTSA
- Median mileage
- 8,262miles, 4 complaints with mileage
- Recalls
- 17campaigns on record
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
- NHTSA crash rating
- —no overall rating published
- EPA fuel economy
- 23 mpgcombined, 3.0L 6-cyl · hybrid 4WD · 21 city / 26 hwy
Sources: NHTSA records for the 2021 Mercedes-Benz GLE 450 (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 15 consumer complaints for the 2021 Mercedes-Benz GLE 450. The part named most often is electrical system, with 9 complaints (60% of the total), followed by engine (7) and other or unknown (3). 4 of the complaints include a mileage, and 75% of those were filed for vehicles with under 50,000 miles; the median is 8,262 miles. NHTSA lists 17 recall campaigns and 376 technical service bulletins for this model year. Electrical system complaints overlap with 7 recall campaigns covering the interior/under dash and 180 technical service bulletins filed under the same part. Engine complaints overlap with 18 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system9 60%
- Engine7 47%
- Other or unknown3 20%
- Exterior lighting1 6.7%
- Vehicle speed control1 6.7%
Example complaints
Electrical system: “The 48v battery after driving new vehicle only 230 miles goes dead. The auto will not start and cannot be jump started. Result is being stranded roadside. Required a tow. Mercedes says dead battery (brand new) needs to be replaced. Battery went dead on december 10. Dealer tells me no batteries are available in the us. A battery is promised for delivery from germany on or about january 11, 2021.”
NHTSA complaint #11384271, filed 2020-12, 230 milesEngine: “I was driving at full speed on the interstate (75mph) when the vehicle died completely. I had only seconds to maneuver the vehicle to the shoulder. There was no indication of a service issue with the vehicle prior to this incident. The car is/was approximately 2 weeks old, with about 500 miles of usage. Vehicle would not restart so I could attempt to get to a safer location.”
NHTSA complaint #11432776, filed 2021-09Other or unknown: “1. Failed component/system. Primary issue is stalling under normal operating conditions. The vehicle is available for inspection. It is a 2024 Porsche Panamera. It is currently with the dealership at Chantilly. 2. The vehicle stalls while I was crossing a highway potentially leading to a collision. The second time it stalled my daughter was in the vehicle, which could have put her in danger and others on the roadway. 3. The dealership could not replicate the issue 4. …”
NHTSA complaint #11634734, filed 2025-01Transmission and drivetrain: “Was driving down a 2 lane road at about 55 MPH, and a warning light message appeared on the dash and said battery no longer charging then another message that said coolant overheating vehicle shutting down appeared. And the car would no longer accelerate. So I had to pull over on a busy 2 lane road and turn off my car and turn it back on, and then the car was working normally again. This could have been very bad if it was on a multi-lane highway. My safety was put at risk. …”
NHTSA complaint #11459441, filed 2022-04Mileage when problems were reported
75% of the 4 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 3,000 and 13,525 miles.
Complaints by year filed
Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
Fuel economy and running cost
EPA ratings for each 2021 Mercedes-Benz GLE 450 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| GLE450 4matic 4WD | 3.0L 6-cyl · hybrid | 9-speed automatic | 21 | 26 | 23 | $3,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 24V724000Sep 27, 2024Electrical system › WiringCovers: Mercedes-Benz GLE 450 2021–2022, GLE 350 2021–2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 GLE 350 and 2021-2022 GLE 450 vehicles. The front acceleration sensor's wiring harness may be routed incorrectly, which can prevent the front air bags from deploying properly. As such, these…
- 24V207000Mar 15, 2024Electrical system › WiringCovers: Mercedes-Benz GLE 450 2020–2024, GLS 450 2019–2021, GLS 580 4MATIC 2020, 2022–2023 +11 more
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, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt…
- 24V118000Feb 16, 2024Power train › Automatic transmission › Control module › SoftwareCovers: Mercedes-Benz GLE 450 2020–2023, GLS 450 2020–2021, GLS 450 4MATIC 2022–2023
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.
- 23V835000Dec 8, 2023Electrical system › 12v/24v/48v batteryCovers: Mercedes-Benz GLE 450 2021–2022, GLE 350 2021–2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 GLE350 and GLE450 vehicles. A 12-Volt ground connection under the driver seat may not be secured properly, resulting in the ground connection overheating.
- 23V445000Jun 26, 2023Fuel system, gasoline › Delivery › Fuel pumpCovers: Mercedes-Benz GLE 450 2021–2022, GLC 300 2021–2023, C300 2021–2023 +37 more
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…
- 23V177000Mar 17, 2023Visibility › Defroster/defogger/hvac systemCovers: Mercedes-Benz GLE 450 2020–2021, GLE 350 2020–2021, GLS 450 2020–2021 +6 more
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 hoses may have been incorrectly installed, causing water…
See all 17 recalls for the 2021 Mercedes-Benz GLE 450 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 376 on record; the latest 10 are shown.
- 11038188Sep 26, 2026Steering. Complaint Slight creaking noises when steering. Cause Noises may come from one or more sleeves of the horn contact plate. Remedy Remove the horn contact plate and check the sleeves for noise; see…
- 11038187Sep 26, 2026Transmission and drivetrain. Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission facelift) For…
- 11038185Sep 26, 2026Engine. Complaint Sporadic warning message in instrument cluster "Engine oil pressure, stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. Cause Directional control valve may…
- 11038186Sep 22, 2026Brakes. Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is…
- 11038176Sep 17, 2026Engine. Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with…
- 11038174Sep 15, 2026Electrical system. Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change…
- 11038217Sep 14, 2026Body and structure. Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even…
- 11037987Sep 14, 2026Transmission and drivetrain. Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or…
- 11037834Sep 14, 2026Transmission and drivetrain. Complaint Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area during cornering. (figure 1) On the above‑mentioned vehicles with a mileage up to 15,000 km…
- 11037806Sep 11, 2026Electrical system. Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("‑ ‑")…
Other model years of the Mercedes-Benz GLE 450
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2024 | 10 | 1,779 | 4 | — | — | — | Too new |
| 2023 | 7 | 20,000 | 4 | 5 | — | — | Too new |
| 2022 | 14 | 8,600 | 11 | 5 | — | — | Not enough data |
| 2021 | 15 | 8,262 | 17 | — | 23 | — | Falling |
| 2020 | 26 | 5,950 | 32 | — | 21 | Not compared (fewer than 3 comparable model years) | Stable |
| 2016 | 25 | 30,001 | 11 | — | 20 | Not compared (fewer than 3 comparable model years) | Rising |
All Mercedes-Benz GLE 450 model years
Frequently asked questions
How many NHTSA complaints does the 2021 Mercedes-Benz GLE 450 have?
NHTSA recorded 15 consumer complaints for the 2021 Mercedes-Benz GLE 450 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2021 Mercedes-Benz GLE 450 is reported most often?
Electrical system is named most often, in 9 complaints (60% of the total), followed by engine with 7.
Has the 2021 Mercedes-Benz GLE 450 been recalled?
NHTSA lists 17 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2021 Mercedes-Benz GLE 450 get?
The EPA rates the 2021 Mercedes-Benz GLE 450 (GLE450 4matic, 3.0L 6-cyl · hybrid) at 23 mpg combined, 21 city and 26 highway, with an estimated annual fuel cost of $3,550 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2021 Mercedes-Benz GLE 450 reported?
Among the 4 complaints that include a mileage, the median is 8,262 miles and the middle half falls between 3,000 and 13,525 miles; 75% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.