Registered new in Europe in 2021
The largest markets were Germany (1,821), Poland (603), Czechia (544).
- Average mass
- 2,551 kg
- Average CO₂
- 254 g/km (WLTP)
- Average power
- 302 kW
- Fuel type recorded
- Diesel 59% · Petrol 41%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
Real-world fuel consumption
3,388 Mercedes-Benz GLS-Class cars first registered in Europe in 2021 report their fuel use through the on-board meter. Diesel versions use 10.7 l/100 km on the road against 8.8 in the WLTP test (+21%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol hybrid | 1,364 | 15.3 | 12.6 | +22% |
| Diesel | 2,024 | 10.7 | 8.8 | +21% |
Litres per 100 km from the cars' own fuel meters (OBFCM), collected in 2024; the year is the year of first registration. All years together · European Environment Agency · CC BY 4.0
Engines
The most common engines in 2021 Mercedes-Benz GLS-Class cars on Dutch roads are the 4.0 hybrid (450 kW, 603 hp), 4.0 hybrid (360 kW, 483 hp) and 2.9 diesel (243 kW, 326 hp).
| Engine | Power | Cars |
|---|---|---|
| 4.0 hybrid | 450 kW 603 hp | 47 |
| 4.0 hybrid | 360 kW 483 hp | 28 |
| 2.9 diesel | 243 kW 326 hp | 20 |
RDW Open Data (CC0): registered passenger cars and their fuel data · engine size rounded to 0.1 litre, net maximum power · versions with at least 20 cars
Other years
New registrations in Europe by year (European Environment Agency) · a year gets its own page when at least three European sources cover it
In the Netherlands
120 first registered in 2021 are on Dutch roads; 78% arrived later as imports. Median list price when new: €203,950.
Most common APK defects
- Band onvoldoende profiel13
- Bandenspanning niet op juiste waarde12
- Band beschadigd7
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm7
- Stuur- of fuseekogel met slijtage kleiner of gelijk 1,0 mm4
- Dimlicht onjuist afgesteld4
- Mechanische delen van het remsysteem vertonen slijtage2
- Band vertoont uitstulping(en)1
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
274 cars built in 2021 were licensed for the road at the end of 2025, and 38 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
Crash-test ratings
NHTSA 5-star results for 1 variant; not yet fully rated. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2021 Mercedes-Benz GLS-Class SUV 4WD | — | 0.0 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- Lane departure warning
- No
- Best overall rating
- —
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Recalls in Canada
14 Transport Canada recalls for the 2021 Mercedes-Benz GLS-Class.
| 2024171 15 Mar 2024 | Electrical Issue: On certain vehicles, the bolt for the 48 V ground connection under the passenger seat may not have been tightened properly. As a result, the wiring cou… |
| 2024103 16 Feb 2024 | Powertrain Issue: Under certain conditions, a software problem could cause the engine to stall during a downshift. As a result, there could be a sudden loss of power to … |
| 2023672 15 Dec 2023 | Fuel System Issue: On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudde… |
| 2023353 23 Jun 2023 | Fuel System Issue: On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudde… |
| 2023150 17 Mar 2023 | Heater And Defroster Issue: On certain vehicles, the air conditioning drain hose might be installed incorrectly. This could allow water to leak inside the vehicle. If this happens… |
| 2022551 29 Sept 2022 | Seats And Restraints Issue: On certain vehicles, the springs that lock the backrest for the third-row seat may not have been installed correctly. As a result, the seat backrest ma… |
| 2022509 9 Sept 2022 | Structure Issue: On certain vehicles, the window trim on the rear doors may not be properly attached. As a result, the window trim could loosen and separate from the ve… |
| 2022359 6 Jul 2022 | Label Issue: On certain vehicles equipped with Michelin Primacy Tour A/S tires, the maximum tire pressure listed on the sidewall of the tire is lower than the maxim… |
| 2022263 20 May 2022 | Other Issue: On certain vehicles equipped with the emergency calling (eCall) system, the SIM card for the communications module could disable itself. If this happen… |
| 2022173 8 Apr 2022 | Electrical Issue: On certain vehicles, a ground connection under the front passenger seat may not have been properly tightened. As a result, the connection and wiring co… |
| 2021291 14 May 2021 | Visual System Issue: On certain vehicles, a software problem could cause the rearview camera image not to appear on the central display. Canadian regulations require the re… |
| 2021064 12 Feb 2021 | Electrical Issue: On certain vehicles equipped with the emergency calling (eCall) system, the communications module may temporarily lose power during a crash. If this ha… |
| 2021041 1 Feb 2021 | Accessories Issue: On certain vehicles, a software problem could cause the rearview camera image not to appear on the central display. Canadian regulations require the re… |
| 2020522 3 Nov 2020 | Seats And Restraints Issue: On certain vehicles, the seat belt buckle for the second-row middle seat may be pushed into the gap between the vehicle body and the seat cushion. If t… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada