The new Mercedes-Benz GLS: The S-Class of SUVs
Stuttgart / New York. The new Mercedes-Benz GLS is Mercedes-Benz's largest and most luxurious SUV and, above all, offers more: more space, more comfort, more luxury. The confident presence of its exterior stems from its impressive dimensions, which are even larger than those of its predecessor (length +77 mm, width +22 mm). One of the benefits of the 60 mm longer wheelbase is interior spaciousness, especially in the second row. The three fully electrically adjustable seat rows offer all passengers a generous amount of space and outstanding seating comfort. The seats in the third row can be lowered into the floor to increase the boot space (up to 2400 litres), while the seats in the second row fold flat. Furthermore, a six-seater variant with two luxury individual rear seats in the second seat row is available for the first time. Celebrating its world premiere in the GLS 580 4MATIC (combined fuel consumption: 10.0-9.8 l/100 km; combined CO2 emissions: 229-224 g/km) is an electrified V8 engine featuring EQ Boost - a 48-volt system with integrated starter-generator.
The E-ACTIVE BODY CONTROL active suspension on 48-volt basis offers outstanding suspension comfort, agile handling and a high degree of off-road capability. Like the GLE, the GLS features the latest generation of Mercedes-Benz driving assistance systems giving cooperative support to the driver. The new 4MATIC ensures great agility on the road and strong performance off the beaten track. The new GLS has impressive aerodynamics in its segment, with a Cd figure of 0.32. It has a new Carwash function, which enables the car to be prepared for entry into a carwash with a single press of a button.
As the S-Class of SUVs, the new GLS indulges its passengers, especially those in the rear. The key comfort features at a glance:
- MBUX Rear Seat Entertainment System: Two 11.6-inch touchscreens for movie, music and internet enjoyment
- Rear Comfort package Plus: Separate tablet for controlling all of the MBUX comfort and entertainment functions from the rear seats
- Electrically adjustable seats throughout as standard, as is the Easy-Entry function, which makes it easy to get into and out of the third seat row
- Simple folding-down of all rear seats at the push of a button
- Choice of either three-seater rear bench seat or two luxury individual seats with armrests in the second row
- Two fully fledged seats in the third row (for people up to 1.94 m tall)
- Heated seats and separate USB charging ports for the third row, too
- Five-zone automatic climate control available.
"The new GLS is the S-Class of premium SUVs. It embodies luxury, confidence and intelligence like almost no other vehicle,", states Ola Källenius, the member of the Board of Management of Daimler AG responsible for corporate research and Mercedes-Benz Cars development.
"The GLS combines modern luxury with the character of an off-roader," says Gorden Wagener, Chief Design Officer at Daimler AG. "Powerful highlights of the off-road design idiom combine with an elegance reminiscent of a classic luxury saloon. The interior is a synthesis of modern, luxurious aesthetics, hallmark SUV practicality, and digital high-tech. In our view, the new GLS therefore offers the best of all these worlds."
Since 1997, when the M-Class was introduced, Mercedes-Benz has been building premium SUVs in the USA - the main market for these vehicles worldwide. The GL full-size variant offering space for seven people was launched in 2006. In 2015, a facelift emphasised the luxury character of the large SUV's second generation and also heralded the changing of the name to GLS. On top of that, it is the market leader in its segment - just like the S-Class Saloon.
At present, Mercedes-Benz offers seven models in the SUV segment (GLA, GLC, GLC Coupé, GLE, GLE Coupé, GLS, G-Class). The SUVs are a major structural pillar in the Mercedes-Benz product portfolio, and greatly contribute to the growth of the brand. To date, more than six million customers worldwide have purchased a Mercedes-Benz SUV.
The new Mercedes-Benz GLS will be presented to the public for the first time at the New York International Auto Show (19 to 28 April 2019). It will be in the dealerships in USA and Western Europe by the end of the year. The GLS is produced in Tuscaloosa (Alabama/USA).
Exterior design: powerful presence
Modern luxury both on and off the road: that is the design message of the new GLS. Its aesthetics are based on the confident presence that its impressive dimensions alone create (length 5207 mm, width 1956 mm). The wheelbase of 3135 mm, which is 60 mm longer than that of its predecessor, makes the vehicle beneficially longer and gives it harmonious proportions, emphasised by the understated, elegant side design. The GLE follows the design strategy of Sensual Purity, and dispenses with individual edges and beading in favour of generously sculptured surfaces.
The front section of the new GLS exudes presence and power: this is ensured by the upright radiator grille in an octagonal SUV interpretation, the prominent, chrome-plated underguard in the front apron with the bone-shaped air inlet grille, and the bonnet with two powerdomes. This striking appearance is emphasised by the distinctive headlamp design by day and night. The GLS has MULTIBEAM LED headlamps as standard, with a total of 112 LEDs per headlamp. These produce the maximum light intensity permitted by law, which results in the brightness of the main beam headlamps only falling below the reference value of 1 lux after a distance of more than 650 metres. The daytime running lights with three LED segments underline the status of the GLS as the S-Class of SUVs.
The GLS cuts an imposing figure from the rear, too. This is particularly ensured by the powerful shoulder muscle extending from the rear doors to the tail lights, which enables the GLS to strike an imperious pose on the road. The two-piece tail lamps are based on LED technology, and their high-calibre, three-dimensional look conveys depth and solidity. The reflectors are relocated lower down, giving the tail lamps a flatter appearance. They are crowned by a slender, continuous chrome trim strip. The rear is strikingly rounded off with the chrome-plated underguard.
Aerodynamics: exquisite fine-tuning
The new GLS achieves cd figures as low as 0.32 - a clear improvement compared with its predecessor (cd 0.35) and an impressively low figure in the large luxury SUV segment. The excellent aerodynamics help to firstly reduce fuel consumption and secondly limit wind noise, one of the areas on which development work focussed specifically.
Special attention was paid to the underbody and the air flowing through the engine compartment. Not least because the hallmark SUV shape, with its upright front end and high ground clearance, makes these areas susceptible to low-frequency airflow noise. A host of details was optimised with numerous computation loops, CAE simulations (computer-aided engineering) and measurements in the wind tunnel in Sindelfingen.
Interior design: luxuriously elegant and powerfully progressive
The interior of the new GLS is all about luxuriously elegant aesthetics, as evidenced straight away by the leather appointments, which come as standard. They combine the comfort of a Mercedes-Benz luxury saloon with the robustly progressive detailing of an SUV. The central element in the dashboard's design is an impressively sized screen unit embedded in a distinctive dashboard support. The dashboard support flows into the door panels, and the integral trim element likewise extends to meet the doors.
The prominently wide, raised centre console creates a robust contrast with the free-floating appearance of the dashboard. As a typical feature of off-roaders, there are two prominent grab handles on the centre console. Apart from good ergonomics, fluent leather surfaces create a modern, luxurious impression, rounded off by a broad area of trim and flush-fitting sunblinds. The controls with haptic and audible feedback appear to have been milled from a solid metal block.
The large touchscreen of the MBUX infotainment system allows all the GLS comfort features to be controlled from the driver's seat. Very fine chiselling and the pyramid structures of the trim surfaces show the desire for perfection and craftsmanship. The new multifunction sports steering wheel with its striking spoke design accentuates the impressive appearance of the SUV's interior.
Interior: generous amount of space in the second and third seat row, too
The new GLS has a considerably longer wheelbase than its predecessor (3135 mm, an increase of 60 mm). This creates more space, especially in the second seat row, which can furthermore be adjusted fore and aft. Legroom here is increased by 87 mm when the seats are in their rearmost position, which also makes it easier to get into the vehicle.
As standard for the European market, the second row has a 60:40-split folding rear bench seat with adjustable 40:20:40-split backrests. Alternatively it is possible to order the American standard configuration with two luxury individual rear seats with armrests, between which it is possible to access the rearmost seats with ease. This is particularly useful when child seats are fitted in the second seat row.
All seats are electrically adjustable as standard. The same applies to the EASY-ENTRY function, which makes it easy to get into and out of the two individual seats in the third row. For this, the seats in the second row move a long way forwards and fold forwards.
The seats in the third row are fully fledged seats that are suitable for people up to 1.94 m tall and are heated for the first time. There are also separate USB charging ports here.
If the GLS is equipped with the five-zone automatic climate control, the third row has its own zone with climate control vents in the roof. This zone is supplied by its own, electrically powered heater and air conditioner.
A push of a button is all that is required to stow away the comfortable seats and make full use of the 2400-litre boot space in the GLS. The switches on the left and right of the load compartment and on the front of the wheel arches on the front-passenger side in the C-pillar area allow the seats in the rear rows to be folded completely flat. It is also possible to fold down all the seats simultaneously by pressing the "ALL" button. The carpet-trimmed backs of the backrests form part of a flat, practical load area. Another push of a button lowers the boot sill by approx. 50 mm to make it easier to load heavy items.
Even more comfort in the rear: MBUX served on a tablet
Luxury in the new GLS is shared generously among all passengers, particularly if the Rear Comfort package Plus is ordered. It includes a 7-inch Android tablet in its own docking station in the second row's larger luxury centre armrest. The tablet allows control of all the MBUX comfort and entertainment functions (see next section) from the rear seat rows, such as access to radio, TV, media, phone and web browser. It can also be used to control the Rear Seat Comfort package and the five-zone automatic climate control for the rear seats. The driver can assume control of all options and features from his or her seat at any time, of course.
The centre console also offers a wireless-charging compartment for smartphones and additional USB ports. Rear passengers are indulged further still thanks to luxury head restraints with additional cushions and the rearward-extended centre console between the front seats with cup holders.
It is even possible to order luxury seats with lumbar massage function and climate control as an additional option for the Rear Comfort package Plus in the second row.
The MBUX Rear Seat Entertainment System is available for all seating variants - for even more entertainment and convenience. It includes two 11.6-inch touchscreens that allow passengers in the second row to enjoy movies or music, use the integrated web browser, or call up and input trip information. Each screen displays the content selected by the individual user. In addition to the options offered by the MBUX infotainment system, users can also play their own media from a mobile phone, tablet or laptop. If the GLS is equipped with the optional MBUX rear tablet, this can also be used to control the MBUX Rear Seat Entertainment System.
MBUX with Interior Assistant
The GLS is equipped with the latest generation of the infotainment system MBUX (Mercedes-Benz User Experience). Upgrades compared with the A-Class, in which the revolutionary system made its debut, include two large 12.3-inch/31.2 cm screens. The information on the instrument cluster and media display is easily legible on the large, high-resolution screens. An emotive presentation with brilliant graphics underlines the comprehensibility of the intuitive control structure.
The optional MBUX Interior Assistant also allows intuitive operation of different comfort and MBUX functions by movement recognition. A camera in the overhead console registers movements of the driver's and front passenger's hands and arms. When a hand approaches the touchscreen or the touchpad on the centre console, the media display changes and individual elements are highlighted. The system is able to distinguish the driver's hand from that of the front passenger, and therefore knows for whose seat the massage function is to be activated, for example.
In addition there are functions that can be controlled by simple hand gestures: the reading lamp can be switched on and off by extending a hand towards the interior mirror, for example. Furthermore, the driver and front passenger can each store personal favourite functions, e.g. "navigate home" or "call office".
A unique feature of MBUX (Mercedes-Benz User Experience) is its learning capability thanks to artificial intelligence. With its predictive functions, MBUX anticipates what the user would like next, for example. For instance, anyone who often telephones their mother on Tuesdays during the journey home will receive her telephone number as a suggestion in the display on this day of the week. Anyone who regularly switches over to a radio station with news at a certain time also receives this as a suggestion.
Also available is a next-generation full-colour Head‑up Display, which sets new standards with a resolution of 720 x 240 pixels and an extended projection distance.
Powertrain: all petrol engines have integrated starter-generator and EQ Boost
The high aspirations of the new Mercedes-Benz GLS are likewise clearly apparent in its engine line-up. Powerful six and eight-cylinder engines deliver the motoring comfort and effortlessly superior power that suit the characteristics of this luxurious car.
Shortly after the model series launch, the introduction of the GLS 580 4MATIC (combined fuel consumption: 10.0-9.8 l/100 km; combined CO2 emissions: 229-224 g/km) will mark the world premiere of a new, electrified V8 petrol engine with 48-volt on-board electrical system and integrated starter-generator. It has an output of 360 kW (489 hp) and 700 Nm of torque, with a further 250 Nm of torque and 16 kW/22 hp available via EQ Boost over short periods. The integrated starter-generator (ISG) is responsible for hybrid functions such as EQ Boost or energy recuperation, while allowing fuel savings that were previously reserved for high-voltage hybrid technology.
ISG eliminates the need for a belt drive for ancillary components at the front of the engine, which reduces its overall length. The slim design of the engine, together with the physical separation of intake/exhaust, creates space for close-coupled exhaust aftertreatment. The 48 V on-board electrical system serves not only high power consumers, such as the water pump and air-conditioning compressor, but also the integrated starter-generator (ISG), which also supplies energy to the battery by means of highly efficient energy recuperation.
The Mercedes-Benz GLS 450 4MATIC, a six-cylinder in-line engine electrified with 48-volt technology, is only available outside of the EU. Its performance data: 270 kW (367 hp) and 500 Nm of torque, with a further 250 Nm of torque and 16 kW/22 hp available via EQ Boost over short periods.
Diesel: six-cylinder engine for Europe, Russia and other markets
The two diesel-engined GLS models are powered by the OM 656, the six-cylinder in-line engine from the current engine family. It is available with two ratings, depending on the particular market launch: as the GLS 350 d 4MATIC with 210 kW (286 hp) and 600 Nm (combined fuel consumption: 7.9-7.6 l/100 km; combined CO2 emissions: 208-200 g/km) and as the GLS 400 d 4MATIC with 243 kW (330 hp) and 700 Nm torque (combined fuel consumption: 7.9-7.6 l/100 km; combined CO2 emissions: 208-201 g/km)2. In both versions, the powerful engine already complies with the Euro 6d- standard (RDE/Real Driving Emissions Step 2), which does not come into force until 1 January 2020 for new models and one year later for all vehicles, even in demanding driving conditions.
This is achieved with, among other things, an additional selective catalytic reduction (SCR) converter with an ammonia slip catalyst (ASC) in the exhaust tract of the GLS. This allows dosing of the AdBlue reducing agent that is even more closely aligned with the individual driving characteristics because any excessive ammonia surplus in the second SCR converter is broken down further. The AdBlue tank has a capacity of 31.6 litres. As before, refilling is convenient via a separate pipe behind the fuel filler flap.
4MATIC all-wheel drive: agile on the road, superior when off-road
In all variants of the new GLS, power is transmitted by the 9G-TRONIC automatic transmission. The broad ratio spread of gears one to nine allows a clearly perceptible reduction in engine speed and is a decisive factor behind the high level of energy efficiency and ride comfort. A transfer case with electronically controlled multi-plate clutch is likewise fitted as standard. This allows a variable transfer of drive torque from 0-100 percent (torque on demand) between the axles.
Also new, and available as an option, is a transfer case specially configured for superior off-road driving characteristics. In addition to the controlled multi-plate clutch with torque-on-demand function, it also features a reduction gear for off-road driving.
Also when driving on the road, and particularly when cornering, the two fully networked transfer cases with torque-on-demand function allow a further improvement in handling safety and agility by specifically influencing the degree of yaw to induce oversteer or understeer.
Driving assistance systems: even better support
The new GLS is equipped with the latest generation of Mercedes-Benz driving assistance systems giving cooperative support to drivers. These systems further enhance the level of active safety.
When Active Distance Assist DISTRONIC with route-based speed adaptation is activated, the new GLS is able to recognise and respond to tailbacks or slow-moving traffic with the help of information from Live Traffic before the driver becomes aware of the hazard. When a traffic jam is detected on the motorway (and if the driver does not choose a different response), for example, DISTRONIC reduces the speed to around 100 km/h as a precaution.
A new feature of Driving Assistance package Plus: When actually driving in a tailback on the motorway, Active Stop-and-Go Assist is substantially able to perform the tasks of keeping in lane and maintaining the safety distance with a high level of availability at speeds up to around 60 km/h. Moving off can be automatic up to one minute after coming to a stop. Once the tailback clears, the GLS accelerates back up to the speed preset for Active Distance Assist DISTRONIC with route-based speed adaptation. If traffic signs differ from this, the signposted speed limit is automatically given priority.
Trailer Manoeuvring Assist is available as an option for the GLS in Europe. This makes reverse manoeuvring easier for drivers who are not so familiar with towing trailers. And it is also of benefit to more experienced drivers when towing longer trailers.
Suspension: AIRMATIC air suspension as standard
The GLS comes with the enhanced AIRMATIC air suspension system with Adaptive Damping System Plus fitted as standard. This setup uses highly complex sensor systems and algorithms to adapt the damping characteristics to the road condition and driving situation in real time. All components have been enhanced compared with the previous generation, and the wheel suspension mountings have been optimised to maximise ride comfort. In addition to this, the air suspension keeps the car at the same level, regardless of the load on board.
Carwash function: ready for cleaning
One new, standard feature is the Carwash function - which comes in very handy, especially for a large vehicle like the GLS. When this function is selected, the suspension moves to the highest position, which reduces the track widths due to the axle geometry. This makes it easier to drive into a carwash as well as remove any dirt remaining in the wheel arches from the last off-road trip. The Carwash function also:
- Folds in the exterior mirrors.
- Closes the side windows and the sliding sunroof.
- Suppresses the rain sensor information so that the windscreen wipers remain switched off in the carwash.
- Switches the climate control to air-recirculation mode and , after eight seconds, activates the 360° camera's front image to assist the driver when driving into the carwash
- Deactivates these settings automatically when the driver drives out of the carwash and accelerates to a speed above 20 km/h.
Outstandingly intelligent suspension: E-ACTIVE BODY CONTROL
Even better ride comfort and agility plus new functions such as recovery mode are provided by the optional E-ACTIVE BODY CONTROL suspension, which is combined with the newly developed AIRMATIC air suspension. This is currently the only system on the market that can individually control spring and damping forces at each wheel. This means that it not only counteracts body roll, but also pitching and squat. Together with ROAD SURFACE SCAN and the curve inclination function CURVE, E-ACTIVE BODY CONTROL makes an exceptional level of comfort possible, and supports the claim of Mercedes-Benz to build the world's most intelligent SUV suspension.
E-ACTIVE BODY CONTROL operates with a voltage of 48 V, and is available as an optional extra. On poor road surfaces the system is even able to recuperate energy, roughly halving the energy requirement compared with the preceding system in the S-Class. The hydropneumatics generate dynamic forces that overlay the air suspension forces and actively support and dampen the vehicle body, e.g. during linear and lateral acceleration or when driving on uneven roads.
The off-road functions include recovery mode: if the GLS has become bogged down in a sand dune, for example, this can help to free the vehicle more easily in many such situations. If possible the suspension level is automatically raised and lowered several times, which changes the ground pressure of the tyres and therefore improves traction – the GLS rocks itself free. Individual wheel actuation is another function for off-road driving. This allows the level at each wheel to be individually adjusted via the touchscreen of the media display, thus improving the vehicle's alignment on rough terrain when one wheel is stuck in a ditch or a wheel spring is fully contracted, for instance. This also helps to increase traction and the torque at the wheel.
E-ACTIVE BODY CONTROL in the GLS also has the curve inclination function CURVE: like a motorcycle, the GLS leans into bends and thereby allows cornering in three stages with practically no centrifugal force. If the GLS is equipped with a stereo multi-purpose camera, ROAD SURFACE SCAN becomes possible: the camera continuously scans the road surface, while the suspension responds in advance to any undulations before the vehicle drives over them and largely compensates for them. In this way, the GLS improves the perceived road quality.
 Figures for fuel consumption and CO2 emissions are provisional and were determined by the technical service for the certification process in accordance with the WLTP test method and correlated into NEDC figures. EC type approval and certificate of conformity with official figures are not yet available. Differences between the stated figures and the official figures are possible.
 The stated figures were determined in accordance with the prescribed measuring method. These are the "NEDC CO2 figures" according to Art. 2 No. 1 Implementing Regulation (EU) 2017/1153. The fuel consumption figures were calculated based on these figures. More information about the vehicles on offer, including the WLTP values, can be found for each country at www.mercedes-benz.com
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