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Mercedes-Benz GLB-Class
2023 · gas
8 measured figures
8 of the 9 figures this market publishes for a car like this one are measured for this car. This market publishes no overall score, so there is no share of a composite weight to measure confidence against; figures_measured says how many of this market's figures the row carries, and contributing_publishers says who measured them
Measured figures
Fuel economy27 mpg (US gallons)Measured by EPA · configuration: GLB250
Tailpipe CO₂205 g/kmMeasured by EPA · CO₂ basis: tailpipe_rated · configuration: GLB250 · also 330 g/mile
HorsepowerFree with an accountMeasured for this car, with its publisher and basis
Kerb weightFree with an accountMeasured for this car, with its publisher and basis
EPA test weightFree with an accountMeasured for this car, with its publisher and basis
WarrantyFree with an accountMeasured for this car, with its publisher and basis
Recall campaignsFree with an accountMeasured for this car, with its publisher and basis
NHTSA overall ratingFree with an accountMeasured for this car, with its publisher and basis
6 more measured figures for this car — Horsepower, Kerb weight, EPA test weight, Warranty, Recall campaigns, NHTSA overall rating — each with the publisher that measured it and the basis it is on. Free to read with an account.
Figures this car does not carry
Fuel economy (MPGe)Not published for this carFuel economy (MPGe) is published for electric and hydrogen cars, whose economy is published as MPGe: energy converted at 33.7 kWh per gallon, not fuel burned; this car is not one of them, so the figure is not the same quantity for it
Tailpipe CO₂ (charge-weighted)Not published for this carthis car's CO₂ is published as the tailpipe rating for the car driven as rated on the test cycle (205 g/km), not as a composite weighted across electric and fuel-burning miles, so it is not the quantity this list orders. It is published as Tailpipe CO₂
Engine horsepowerNot published for this carNot published for this car. The record's own reason is free to read with an account.
Complaints per 10,000 builtNot published for this carNot published for this car. The record's own reason is free to read with an account.
PriceNot published for this carNot published for this car. The record's own reason is free to read with an account.
5-Year Running Costs
| Fuel | $11,037 |
| Insurance | $11,700 (modelled) |
| Maintenance | $7,800 (class estimate) |
| Repairs | $8,000 (modelled) |
| Depreciation | not estimated — we hold no purchase price for this car, and it is not assumed. |
| Total | not estimated — a component above is unknown or modelled |
Running costs only — the purchase price is not included. The five-year running cost is an ESTIMATE, not a measurement of this car: only its fuel half is computed from the car's own measured consumption and a dated pump price (see fuel_price_source and fuel_price_as_of in the market's own figures); insurance, maintenance and repairs are class models. It orders no list and is not one of this market's published figures. Fuel is this car's own combined consumption over 13,800 miles a year at $4.319 a US gallon of petrol (U.S. Energy Information Administration, Gasoline and Diesel Fuel Update: U.S. regular gasoline retail price, all formulations, weekly, 2026-09-14). Insurance, maintenance and repairs are models, not figures for this car: insurance from its power, weight and crash rating, maintenance from its make's class, repairs from its complaint and recall counts. They are shown for scale and are not used to rank it. Confidence is low: several components are modelled from class averages.
Known Issues
ENGINE
4 complaint(s)
Cylinder repair dealership said it's a known issue but Mercedes Benz said they will not cover the repair.
POWER TRAIN
3 complaint(s)
The contact owns a 2023 Mercedes-Benz GLB250. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power with the transmission warning light illuminated. The vehicle…
SERVICE BRAKES
2 complaint(s)
The front brakes making noise when slow stop , Merced dealer service repair 3 time and replace rotor and brakes, but the problem still making noise. they said nothing he can do. want me to report NH…
UNKNOWN OR OTHER
2 complaint(s)
Transmission switching to neutral by itself while driving on the highway. This issue has occurred twice in December 2024.
Carry Handle, Shell, Base
1 complaint(s)
FUEL/PROPULSION SYSTEM
1 complaint(s)
Other/I am not sure
1 complaint(s)
VISIBILITY/WIPER
1 complaint(s)
I was driving on Highway on May 19th and the Panoramic Sunroof suddenly shattered
VISIBILITY:WINDSHIELD WIPER/WASHER
1 complaint(s)
The windshield washer stopped working It doesn’t clean because no water comes out to do the job
These complaints are filed under AMG GLB35, GLB 250, names that include one NHTSA also uses for other versions of this car, so some may concern those versions.
Data sources
- EPA — fuel economy and CO₂ label figures
- NHTSA — crash-test ratings, recalls and owner complaints
- New York State DMV — New York registrations, the cross-check on that denominator
- carstandings.com — basic-warranty terms, from this site's reviewed table
- EPA — horsepower and EPA test weight, from the Test Car List
- EPA — production volumes by make, from Automotive Trends
- NHTSA — body style and the crash-tested vehicle's curb weight, from the NCAP crash-test file
- NHTSA — body style and engine horsepower, from the vPIC VIN decoder