2017 MERCEDES-BENZ GLS-Class SUV Owner's Manual

Comply with the important safety notes for ser-
vice products when handlin g coolant
(
Ypage 378).
The coolant isa mixture of water and ant i-
freeze/corrosion inh ibitor. It is responsible for
the foll owing:
RAnti-corrosion protection
RAntifreeze protection
RRaisin g the boiling point
If the coolant has antifreeze protection downto
-35 ‡ (-37 †), the boilingpoin t of the coolant
during operation is approximately 266 ‡
(130 †).
The antifreeze concentrate /corrosion inh ibitor
concentration inthe engine co oling system
should:
Rbe at least 50 %.This willprotect the engine
co olin g system against freezing downto
approximate ly-35 ‡ (-37 †).
Rnot exceed 55% (antifreeze protection down
to -49 ‡ [-45 †]). Otherwise, heat willnotbe
dissipat ed as effectively.
Mercedes-Benz recommends an antifreeze/
corrosion inh ibitor concentrate inaccordance
wit h MB Specifications for Service Products
310.1.
iWhen the veh icle isfirstdeliv ered, it is fille d
wit h a coolant mixture that ensures adequate
antifreeze and anti-corrosion protection.
iThe coolant ischecked with every mainte-
nance interval at a qualified specialist work-
shop.
Filling capacities
ModelCapacity
Mercedes ‑AMG
vehiclesApprox. 11.9 US qt
(11.3 l)
GLS350d 4MAT ICApprox. 12.2 US qt
(11.5 l)
GLS550 4MATICApprox. 12.0 US qt
(11.4 l)
All other modelsApprox. 10.3 US qt
(9.7 l)
Windshield washer system
Important safety notes
GWARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There isa risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
!Only MB SummerFit and MB WinterF it
washer fluid should bemixed together. The
spray nozzles may otherwise become
blocked.
Do not use distilled or de-ionized water. Other-
wise, the level sensor may givea false reading.
When handling washer fluid, observe the impor-
tant safety notes on service products
(
Ypage 378).
At temperatures above freezing:
XFill the washer fluid reservoir with a mixture of
water and windshield washer fluid, e.g. MB
SummerFit.
Add 1 part MB SummerFit to 100 parts water.
At temperatures below freezing:
XFill the washer fluid reservoir with a mixture of
water and washer fluid, e.g. MB WinterFit.
For the correct mixing ratio refer to the infor-
mation on the antifreeze reservoir.
iAdd windshield washer fluid, e.g. MB Sum-
merFit or MB WinterFit, to the washer fluid all
year roun d.
Climate control system refrigerant
Important safety notes
The clim ate control system of your vehicle is fil-
led with refrigerant R‑ 134a.
The instruction label regarding the refrigerant
type used can be found on the radiator cross
member.
!Only the refrigerant R‑134a and the PAG oil
approved by Mercedes-Benz may be used.
The appr oved PAG oil may not be mixed with
any other PAG oil that is not approved for
Service products and filling capacities383
Technical data
Z

R-134arefrigerant. Otherwise, th eclimat e
control system may be damaged.
Service work, suc has refillin gwit hrefrigeran tor
replacing component parts, may only be carrie d
out by aqualified specialist workshop. All appli-
cable regulations, as well as SA Estandard J639,
mus tbe adhered to .
Always hav ewor kon th eclimat econtrol system
carrie dout at aqualified specialist workshop.
Refrigerant instruction label
Example: refrigeran tinstruction label
:
Warning symbol
;Refrigerant filling capacit y
=Applicable standards
?PAGoil part number
AType of refrigeran t
Warning symbol :advises you about :
RPossibledanger s
RHaving servic ewor kcarrie dout at aqualified
specialist workshop
Filling capacities
RefrigerantCapacit y
Mercede s‑AMG
vehicles
GLS 550 4MATIC45.9 ±0. 4oz
(1300 ±10 g)
All other models37.0 ± 0.4 oz
(1050 ±10 g)
PAG oilCapacity
All models3.9 ± 0.4 oz
(110 ± 10 g)
Vehicle data
General notes
Please note that for the specified vehicle data:
Rthe heights specified may vary as a result of:
-tires
-load
-condition of the suspension
-optional equipment
Roptional equipment reduces the maximum
payload.
Observe the information relating to level con-
trol:
RAIRMATIC package (Ypage 188)
ROffroad Engineering package (Ypage 218)
Dimensions and weights
Missing values were not available at time of
going to print.
Model:
Opening height
;
Max.
headroom
Mercedes-
AMG vehicles
384Vehicle data
Technical data

All othermod-
els with::
Opening height
;
Max.
headr oom
AIRMATIC
package83.9in-
86.9 in
(2132 mm -
2207 mm )76.1 in-
79.1 in
(1934 mm -
2009 mm )
ON&OFFROAD
package83.9 in - 88.1 in
(2132 mm -
2237 mm )76.1 in-
80.3 in
(1934 mm -
2039 mm )
Mercedes‑AMG vehicles
Vehicle length203.2 in
(5162 mm)
Vehicle width including
exterior mirrors
Vehicle width without exte-
rior mirrors
Vehicle height72.9 in
1850 mm
Wheelbase121.1 in
3075 mm
Maximum ground clear-
ance
Minimum ground clear-
ance7.8 in
(198 mm)
Turning radius39.7 ft
(12.10 m)
Maximum roof load220 lbs
(100 kg)
All other models
Vehicle length202.0 in
(5130 mm)
Vehicle width including
exterior mirrors84.3 in
(2141 mm)
Maximum vehicle height
(AIRMATIC package)75.2 in
(1910 mm)
All other models
Maximum vehicle height
(ON&OFFROAD package)76.4 in
(1940 mm)
Minimum vehicle height72.8 in
(1850 mm)
Wheelbase121.1 in
(3075 mm)
Maximum ground clear-
ance (AIRMATIC package)10.9 in
( 276 mm)
Maximum ground clear-
ance (ON&OFFROAD pack-
age)12.0 in
(306 mm)
Minimum ground clear-
ance7.9 in
(201 mm)
Turning radius40.7 ft
(12.40 m)
Maximum roof load220 lb
(100 kg)
Vehicle data for off-road driving
Fording depth
!
The depth of water must not exceed the
value specified in the table. Note that the
possible fording depth is less in flowing water.
:Fording depth
On vehicles with the AIRMATIC package or the
Off-Road Engineering package, loads up to the
maximum permissible load have no influence on
fording capability.
Missing values were not available at the time of
going to print.
Vehicle data for off-road driving385
Technical data
Z

Fordingdepth
Vehicles without the Off-
road Engineering package
Raised level19.7 in
(50 cm)
Vehicles with the Off-Road
Engineering package
Off-road level 119.7 in
(50 cm)
Off-road level 219.7 in
(50 cm)
Off-road level 323.6 in
(60 cm)
Mercedes-AMG vehicles
For more information about off-road fording, see
(Ypage 167).
Approach/departure angle
All vehicles (except vehicles with AMG body-
styling)
:;
Vehicles without the Off-
road Engineering package
Normal level25°20°
Raised level30°25°
Vehicles with the Off-
Road Engineering pack-
age
:;
Normal level25°20°
Off-road level 128°23°
Off-road level 230°25°
Off-road level 333°27°
Mercedes-AMG vehicles
Normal level (in sport mode
with AMG adaptive sport
suspension system activa-
ted)19°19°
Raised level22°21°
Vehicles with AMG bodystyling
:;
Vehicles without the Off-
road Engineering package
Normal level22°20°
Raised level27°25°
Vehicles with the Off-
Road Engineering pack-
age
Normal level22°20°
Off-road level 125°23°
Off-road level 227°25°
Off-road level 329°27°
For further information about approach/depar-
ture angles, see (Ypage 171).
Maximum gradient-climbing capabil-
ity
Note that the vehicle's gradient-climbing capa-
bility depends on the off-road conditions and the road surface conditions.
Vehicles with the ON&OFFROAD package:
the maximum gradient climbing ability is 100 %
when the LOW RANGE off-road gear is selected.
Vehicles without the ON&OFFROAD pack-
age: the maximum gradient climbing ability is
80 %.
386Vehicle data for off-road driving
Technical data

Accelerate carefully and make sure that the
wheels do not spin when driving on steep ter-
rain.
iIf the load on the front axle is reduced when
pulling away on a steep uphill slope, the front
wheels have a tendency to spin. 4ETS recog-
nizes this and brakes the wheels accordingly.
The rear wheel torque is increased, making it
easier to drive off.
For further information about the maximum gra-
dient climbing ability, see (
Ypage 171).
Trailer tow hitch
Mounting dimensions
!
If you have a trailer tow hitch retrofitted,
changes to the cooling system and drive train
may be necessary, depending on the vehicle
type.
If you have a trailer tow hitch retrofitted,
observe the anchorage points on the chassis
frame.
:Anchorage points for the trailer tow hitch
;Rear axle center line
Trailer loads
Trailer loads, trailer drawbar nose-
weights and axle loads
Missing values were not available at the time of going to print.
GLS 450 4M ATIC,
GLS 550 4M ATIC and
GLS 350 d 4 MATIC
Permissible trailer load,
braked (at a minimum gra-
dient-climbing capability
of12%from a standstill)7500 lbs
(3402 kg)
Maximum drawbar nose-
weight (the drawbar nose-
weight is not included in
the trailer load)600 lbs
(272 kg)
Gross rear axle weight rat-
ing when towing a trailer3968 lbs
(1800 kg)
Mercedes ‑A
MG GLS 63 4 MATIC
Permissible trailer load,
braked (at a minimum gra-
dient-climbing capability
of12%from a standstill)
Maximum drawbar nose-
weight (the drawbar nose-
weight is not included in
the trailer load)
Gross rear axle weight rat-
ing when towing a trailer
The actual noseweight may not be higher than
the value which is given. The value can be found
on the trailer tow hitch or trailer identification
plates. The lowest weight applies.
The maximum permissible trailer drawbar nose-
weight is the maximum weight with which the
trailer drawbar can be loaded. Limit for
Mercedes-Benz-approved trailer couplings.
Trailer tow hitch387
Technical data
Z

Ball position of the ball coupling
When choosing a ball coupling, the dimensions
stated in the illustration must not be exceeded.
388Trailer tow hitch
Technical data