Mercedes-Benz GLS II

Photo: Mr.choppers / Wikimedia Commons · CC BY-SA 3.0

The Mercedes-Benz GLS II (2012–2019): dimensions, weights, reliability and the official figures of its 27 versions in the European Union, the United Kingdom, the United States, and Canada.

Model codes: X166

Dimensions, weights and capacity

Specification	Europe	North America	Wikipedia
Dimensions
Length	5,160 mm RDW	5,130 mm TC	5,125–5,130 mm
Width	1,980 mm RDW	1,930 mm TC	1,934 mm
Height	1,910–1,950 mm RDW	1,840–1,850 mm TC	1,850 mm
Wheelbase	3,080 mm RDW	3,080 mm TC	3,075 mm
Front track	1,644–1,679 mm ASTRA	1,660 mm TC	–
Rear track	1,664–1,699 mm ASTRA	1,680 mm TC	–
Weights and towing
Kerb weight	2,335–2,480 kg RDW	2,420–2,610 kg TC	2,380–2,505 kg
Mass in running order	2,435–2,580 kg RDW	–	–
Gross vehicle weight	3,250–3,290 kg RDW	–	–
Towing, braked trailer	3,290–3,500 kg RDW	–	–
Towing, unbraked trailer	750 kg RDW	–	–
Seats and space
Seats	7 RDW	–	–
Doors	5 RDW	–	–
Performance
Top speed	220–270 km/h RDW	–	220–250 km/h
Torque	480–760 Nm ASTRA	–	480–760 Nm

Tyre sizes (most common first): 275/50R20, 265/55R19, 275/55R19, 295/40R21, 285/40R22, 265/60R18

Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Transport Canada vehicle specifications, Wikipedia (en, de), ASTRA type approvals (Switzerland), Traficom type approvals (Finland). Wikipedia figures are used under CC BY-SA 4.0.

Reliability and owner reports

UK MOT: first-time pass rate by age

Age at test	Pass rate	UK average	Tests
4–5 years	91.1% (89.9–92.1)	91.0%	2,568
6–8 years	90.0% (88.9–91.0)	86.4%	2,944

What the MOT finds

Area	This model	UK average, same ages
Tyres	22.4%	26.4%
Brakes	11.9%	18.5%
Body, chassis and structure	4.1%	2.0%
Visibility (glass, mirrors, wipers)	4.1%	6.4%
Lights and electrics	1.7%	6.7%
Noise, emissions and leaks	1.5%	2.6%

First MOT test of each car per year in 2022–2024, from the DVSA’s anonymised test results; only ages with at least 500 tests are shown. The figure in brackets is the 95% confidence interval; green or red means clearly above or below the UK average. The second table shows how often an item was noted (defect or advisory) in each area, against the UK average for cars of the same ages. DVSA anonymised MOT tests (Open Government Licence)

Owner complaints to NHTSA (US)

92 complaints for model years 2017–2019. 3 crashes · 11 fires · 4 injuries

Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints

All 27 versions of the Mercedes-Benz GLS II

Show all 27 versions

European Union 18 versions

New cars registered in the EU (plus Norway and Iceland), from the European Environment Agency. Figures on the NEDC procedure until 2020 and on WLTP from 2021; versions are grouped by engine and power, with their number of registrations.

Years and version	Engine	Power	Fuel	CO₂	EU registrations
2015–2019	3.0 L	190 kW (258 PS)	Diesel	196–209 g/km	18,591
2019	2.9 L	243 kW (330 PS)	Diesel	208 g/km	956
2016–2019	5.5 L	430 kW (585 PS)	Petrol	288–317 g/km	2,602
2019	2.9 L	210 kW (286 PS)	Diesel	206 g/km	234
2016–2019	3.0 L	245 kW (333 PS)	Petrol	213–243 g/km	2,130
2015–2019	4.7 L	335 kW (455 PS)	Petrol	261–280 g/km	1,769
2019	4.0 L	360 kW (489 PS)	Petrol	251 g/km	74
2019	2.9 L	250 kW (340 PS)	Diesel	147 g/km	70
2019	3.0 L	270 kW (367 PS)	Petrol	251 g/km	50
2019	4.0 L	410 kW (557 PS)	Petrol	258 g/km	24
2019	4.0 L	450 kW (612 PS)	Petrol	395 g/km	10
2017	3.0 L	285 kW (387 PS)	Diesel	199 g/km	446
2017	5.5 L	645 kW (877 PS)	Petrol	245 g/km	74
2017	4.7 L	503 kW (684 PS)	Petrol	262 g/km	60
2017	3.0 L	368 kW (500 PS)	Petrol	217 g/km	30
2017	3.0 L	245 kW (333 PS)	Other fuel	218 g/km	18
2016	3.0 L	245 kW (333 PS)	Diesel	218 g/km	446
2016	3.0 L	270 kW (367 PS)	Petrol	209 g/km	12

United Kingdom 2 versions

New cars on sale in the UK, from the Vehicle Certification Agency. NEDC figures until 2018 and WLTP figures after; years are the editions a version appeared in.

Years and version	Engine	Fuel	Gearbox	Consumption (combined)	CO₂
2016–2018GLS 350 d 4MATIC with 21'' rear wheels	3.0 L	Diesel	9-speed automatic	7.6–8.0 L/100 km NEDC	199–203 g/km
2016–2018AMG GLS 63 4MATIC with 21'' rear wheels	5.5 L	Petrol	7-speed automatic	12.3 L/100 km NEDC	288 g/km

United States 3 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and version	Engine	Fuel	Gearbox	Drive	Consumption (combined)	CO₂
2017–2019SIDI	3.0 L	Petrol	9-speed automatic	Four-wheel drive	18–19 MPG (12.4–13.1 L/100 km) EPA	296–303 g/km
2017–2019SIDI	4.7 L	Petrol	9-speed automatic	Four-wheel drive	16 MPG (14.7 L/100 km) EPA	345–355 g/km
2017–2019SIDI	5.5 L	Petrol	7-speed automatic	Four-wheel drive	14–15 MPG (15.7–16.8 L/100 km) EPA	367–382 g/km

Canada 4 versions

Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).

Years and version	Engine	Fuel	Gearbox	Consumption (combined)	CO₂
2017–2019Sport utility vehicle: Standard	3.0 L	Petrol	9-speed automatic	13.0–13.2 L/100 km 5-cycle	305–312 g/km
2019Sport utility vehicle: Standard	4.7 L	Petrol	7-speed automatic	15.7 L/100 km 5-cycle	370 g/km
2017–2019Sport utility vehicle: Standard	4.7 L	Petrol	9-speed automatic	14.7–15.1 L/100 km 5-cycle	346–355 g/km
2017–2018Sport utility vehicle: Standard	5.5 L	Petrol	7-speed automatic	15.7–16.3 L/100 km 5-cycle	367–369 g/km

Similar models from other brands

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.