Comparison between:
- 2018 Tesla Model S 75D
- 2019 Tesla Model S Standard Range
- 2020 Mercedes-Benz EQC 400 4MATIC Progressive Edition

Brand, model, trim, price

Information about the brand, series, model name and year, trim and price of the electric vehicle.

2018 Tesla Model S 75D2019 Tesla Model S Standard Range2020 Mercedes-Benz EQC 400 4MATIC Progressive Edition
2018 Tesla Model S 75D2019 Tesla Model S Standard Range2020 Mercedes-Benz EQC 400 4MATIC Progressive Edition
Model alias--N293
Trim75DStandard Range400 4MATIC Progressive Edition
Model year201820192020
MarketNorth America, EuropeNorth America, Europe, China, AustraliaGlobal
Price-USD 75,000 (USA, Jul 2019)
GBP 68,900 (UK, Jul 2019)
EUR 79,900 (EU, Jul 2019)
AUD 108,100 (AU, Jul 2019)
CNY 722,800 (China, Jul 2019)
USD 67,900 (USA, Nov 2019)
GBP 65,640 (UK, Jul 2019)

Body style, dimensions, volumes, weights.

Information about the EV body style, dimensions, clearance, volumes, curb weight, GVWR.

Body styleSedanSedanSport utility vehicle (SUV)
MaterialsAluminium
high-strength boron steel
Aluminium
high-strength boron steel
-
Exterior colorsSolid Black
Midnight Silver Metallic
Deep Blue Metallic
Pearl White Multi-Coat
Red Multi-Coat
Obsidian Black Metallic
Silver Metallic
Solid Black
Midnight Silver Metallic
Deep Blue Metallic
Pearl White Multi-Coat
Red Multi-Coat
Spectral Blue
Graphite Gray
High-tech Silver
Mojave Silver
Obsidian Black
Selenite Gray
Hyacinth Red
Selenite Gray Magno
Opalite White Bright
Interior colorsAll Black
Black and White
Cream
Black
Black and White
Cream
Black
Black / Silk Beige
Number of doors445
Number of seats555
Length196.0 in
4978 mm
196.0 in
4978 mm
187.5 in
4762 mm
Width77.3 in
1963 mm
77.3 in
1963 mm
74.2 in
1884 mm
Width with mirrors86.2 in
2189 mm
86.2 in
2189 mm
82.5 in
2096 mm
Width with folded mirrors77.3 in
1963 mm
77.3 in
1963 mm
74.2 in
1884 mm
Height56.9 in
1445 mm
56.5 in
1435 mm
63.9 in
1624 mm
Wheelbase116.5 in
2960 mm
116.5 in
2960 mm
113.1 in
2873 mm
Front track65.4 in
1661 mm
65.4 in
1661 mm
63.9 in
1624 mm
Rear track66.9 in
1699 mm
66.9 in
1699 mm
63.6 in
1615 mm
Clearance5.5 in
140 mm
5.3 in
135 mm
-
Minimum clearance4.6 in
117 mm
4.6 in
117 mm
-
Maximum clearance6.3 in
160 mm
6.3 in
160 mm
-
Front headroom38.8 in
986 mm
38.8 in
986 mm
41.1 in
1045 mm
Rear headroom35.3 in
897 mm
35.3 in
897 mm
38.6 in
980 mm
Front shoulder room57.7 in
1466 mm
57.7 in
1466 mm
57.2 in
1454 mm
Rear shoulder room55.0 in
1397 mm
55.0 in
1397 mm
56.5 in
1436 mm
Front hip room55.0 in
1397 mm
55.0 in
1397 mm
59.1 in
1500 mm
Rear hip room54.7 in
1389 mm
54.7 in
1389 mm
58.1 in
1475 mm
Front legroom42.7 in
1085 mm
42.7 in
1085 mm
20.6 in
523 mm
Rear legroom35.4 in
899 mm
35.4 in
899 mm
19.3 in
491 mm
Trunk volume744.7 l
26.30 ft3
0.74 m3
744.7 l
26.30 ft3
0.74 m3
500.0 l
17.66 ft3
0.50 m3
Maximum trunk volume1645.2 l
58.10 ft3
1.65 m3
1645.2 l
58.10 ft3
1.65 m3
1460.0 l
51.56 ft3
1.46 m3
Secondary trunk volume59.5 l
2.10 ft3
0.06 m3
59.5 l
2.10 ft3
0.06 m3
-
Curb weight4468.77 lb
2027 kg
4769.04 lb
2163.2 kg
5500.53 lb
2495 kg
Payload1263.25 lb
573 kg
-981.06 lb
445 kg
GVWR5709.97 lb
2590 kg
-6481.59 lb
2940 kg
Drag coefficient0.24 Cd0.24 Cd0.29 Cd
Additional informationClearance range valid for vehicles with Smart Air Suspension
The single value ground clearance is valid for single motor vehicles with Coil Suspension
The ground clearance range is valid for vehicles with Air Suspension
Optional rear-facing child seat available (seats up to two children)
The single value ground clearance is valid for single motor vehicles with Coil Suspension
The ground clearance range is valid for vehicles with Air Suspension
Overhang front - 867 mm
Overhand rear - 1022 mm
Perm. trailer load for 12% uphill gradient - 1800 kg

Electric motor

Information about the model's electric motor and its performance

ManufacturerTeslaTesla-
Electric motor typeAC induction/asynchronousAC induction/asynchronousAC induction/asynchronous
Location of the motorRearRearRear
Voltage320 V320 V330 V
Power193 kW
258.8 hp
262.4 ps
285 kW
382.2 hp
387.5 ps
-
Maximum power RPM6100 rpm6850 rpm-
Torque330 Nm
33.7 kgm
243.4 ft-lb
440 Nm
44.9 kgm
324.5 ft-lb
-
Regenerative brakingYesYesYes
Driving modes--Eco
Comfort
Sport
Max Range
Individual
Additional information3-phase 4-pole AC induction motor with a copper rotor
Liquid-cooled
with variable frequency drive
Total shaft power from the two motors as limited by the battery: 245 kW / 329 hp
3-phase 4-pole AC induction motor with a copper rotor
Liquid cooled with variable frequency drive
Total system output - 300 kW (402 hp)
Total system torque - 760 Nm (564 lb. ft.)
5 levels of recuperation

Second electric motor

Information about the model's second motor and its performance.

ManufacturerTeslaTesla-
Motor typeAC induction/asynchronousAC induction/asynchronousAC induction/asynchronous
LocationFrontFrontFront
Voltage320 V320 V-
Power193 kW
258.8 hp
262.4 ps
194 kW
260.2 hp
263.8 ps
-
Maximum power RPM6100 rpm6100 rpm-
Torque330 Nm
33.7 kgm
243.4 ft-lb
330 Nm
33.7 kgm
243.4 ft-lb
-
Regenerative brakingYes-Yes
Driving modes--Eco
Comfort
Sport
Max Range
Individual
Additional featuresAC induction motor
liquid-cooled
with variable frequency drive
Liquid cooled
with variable frequency drive
3-phase 4-pole AC induction motor with a copper rotor
Liquid cooled with variable frequency drive
-

Performance

Information about the top speed and acceleration of the model.

Top speed139.8 mph
225.0 km/h
139.8 mph
225.0 km/h
111.8 mph
180.0 km/h
Acceleration from 0 to 100 km/h4.40 s4.40 s5.10 s
Acceleration from 0 to 60 mph4.20 s4.20 s4.90 s

Driving range

Information about the official driving range of the model according to EPA, NEDC, WPTL.

Driving rangeNEDC: 304.5 mi / 490.0 km
EPA: 259.0 mi / 416.8 km
NEDC: 323.1 mi / 520.0 km
EPA: 271.2 mi / 436.5 km
NEDC: 276.5 mi / 445.0 km
EPA: 220.0 mi / 354.0 km
WLTP: 249.2 mi / 401.0 km

Energy efficiency

Information about the energy efficiency of the model in various measurement units according to EPA, NEDC, WPTL.

Energy efficiencyEPA, CMB: 20.8 kWh/100 km
EPA, CMB: 33 kWh/100 mi
EPA, CTY: 102 MPGe
EPA, CMB: 103 MPGe
EPA, HWY: 105 MPGe
EPA, CMB: 186 Wh/km
-NEDC, CMB: 19.7 kWh/100 km
WLTP, CMB: 23.3 kWh/100 km

Energy class

Information about the energy class of the electric car.

Energy classAAA+++

Steering

Information about the type of the steering mechanism of the model and related features.

Type of steering mechanismRack and pinionRack and pinionRack and pinion
Type of power steeringElectronicElectronicElectronic
Turning circle12.4 m
40.68 ft
12.4 m
40.68 ft
11.8 m
38.71 ft
Lock-to-lock turns2.452.45-

Transmission

Information about the transmission of the model.

Type of transmissionAutomatic single-speed reduction gearAutomatic single-speed reduction gearAutomatic single-speed reduction gear
DrivetrainAll-wheel drive (AWD)All-wheel drive (AWD)All-wheel drive (AWD)
Axle ratio9.349.73-
Axle ratio of the second electric motor.9.349.34-

Suspension

Information about the system of components that connects the wheels and axles to the chassis.

Front suspensionIndependent
Double wishbone
Anti-roll bar (stabilizer link / stabilizer bar)
Smart Air Suspension (optional)
Telescopic shock absorbers
Independent
Double wishbone
Anti-roll bar (stabilizer link / stabilizer bar)
Shock absorbers
Smart Air Suspension (optional)
Double wishbone
MacPherson strut
Independent
Shock absorbers
Air springs
Rear suspensionIndependent
Multi-link
Anti-roll bar (stabilizer link / stabilizer bar)
Smart Air Suspension (optional)
Telescopic shock absorbers
Independent
Multi-link
Anti-roll bar (stabilizer link / stabilizer bar)
Shock absorbers
Smart Air Suspension (optional)
Air springs
Independent
Multi-link
Shock absorbers
Additional informationSmart Air Suspension optional for front and rear--

Brakes

Information about the brake system used on this model.

Front brakesVentilated discsVentilated discsVentilated discs
Rear brakesVentilated discsVentilated discsDiscs
Additional informationFront brakes: Aluminium 4 piston fixed calliper with 355 mm x 32 mm ventilated rotor
Rear brakes: Aluminium 4 piston fixed calliper with 365 mm x 28 mm ventilated rotor
Front brakes: Aluminium 4 piston fixed calliper with 355 mm x 32 mm ventilated rotor
Rear brakes: Aluminium 4 piston fixed calliper with 365 mm x 28 mm ventilated rotor
-

Rims

Information about the rims available for this electric car.

Rims8Jx19 ET40
8.5Jx21 ET40
8.5Jx21 ET40
8Jx19 ET40
8Jx19 ET40
8.5Jx21 ET40
-

Tyres

Information about the tyres available for this electric vehicle.

Tyres245/45R19 98V
245/35R21 96Y
245/35R21 96Y
245/45R19 98V
235/50R20
235/55R19 105

Battery

Specifications and features of the rechargeable battery that powers this vehicle.

ManufacturerPanasonicPanasonicLG Chem and Deutsche ACCUMOTIVE
Model-NCR18650A-
Type of rechargeable batteryLithium-IonLithium-IonLithium-Ion
Battery capacity75 kWh-80 kWh
Number of cells5880-384
Number of modules14-6
Voltage302 V-405 V
Weight--1437.41 lb
652 kg
LocationUnder the floor, middleUnder the floor, middleUnder the floor, middle
CoolingWater-based coolant circulationWater-based coolant circulationWater-based coolant circulation
Heat pipe
Minimum ambient temperature-30 °C
-22 °F
-30 °C
-22 °F
-
Maximum ambient temperature60 °C
140 °F
60 °C
140 °F
-
Additional information75 kW version uses higher-capacity cells-2 modules with 48 cells each and 4 modules with 72 cells each
Nominal capacity - 230 Ah
Heat pump function and two electric PTC heater boosters

Charging type

Information about the different types of charging of this specific electric car.

Charging typeNEMA 5-15, 1.44 kW
SAE J1772 Adapter, 5.76 kW
NEMA 14-50, 9.6 kW
Wall Connector, 11.5 kW
Supercharger, 120 kW
NEMA 5-15, 1.44 kW
SAE J1772 Adapter, 5.76 kW
NEMA 14-50, 9.6 kW
Wall Connector, 11.5 kW
Supercharger, 120 kW
Wallbox, 7.4 kW
DC fast charging, 110 kW

Onboard charger/Charging port

Information about the onboard charger(s)/charging port(s) available on this electric vehicle.

Onboard charger/Charging portOnboard charger, Type 2, 11 kW
Onboard charger, Tesla, 11.5 kW
Onboard charger, Type 2, 11 kW
Onboard charger, Tesla, 11.5 kW
Onboard charger, Type 2 CCS2, 7.4 kW

Charging time

Information about the estimated charging time for this EV depending on the various type of charging it supports.

Charging timeSupercharger, 0:38
SAE J1772 Adapter, 3:55-13:01
Wall Connector, 6:31
NEMA 14-50, 7:49
NEMA 5-15, 52:05
Supercharger, 0:40
SAE J1772 Adapter, 5:13-17:22
Wall Connector, 8:42
NEMA 14-50, 10:25
NEMA 5-15, 69:27
DC fast charging, 0:35-0:44
Wallbox, 9:44-10:49

Additional features

A list of standard and optional exterior and interior features of the model.

Additional features2 x activated carbon air purification filters (O)
Automatic keyless entry (S)
Carbon fibre spoiler (O)
Center armrest with two cup holders (S)
Front sun visors with mirrors (S)
Fully trimmed frunk and rear cargo area with keyless open (S)
Glove compartment (S)
HEPA filter system with Bioweapon Defense Mode (O)
Integrated Center Console (O)
Micro-filter ventilation system with replaceable filters (S)
Open center console storage area (S)
Parcel shelf (S)
Red Brake Calipers (O)
3-point front seats safety belts with pretentioners, load limiters, lap anchor pretensioners (S)
3-point second row safety belts for all seats (S)
360-degree parking camera (O)
4-wheel anti-lock braking system (ABS) (S)
Advanced side curtain air bags (S)
Anti-theft alarm and immobilizer system (S)
Automatic emergency braking (S)
Crash sensor for high voltage disconnect (S)
Driver and front passenger knee air bags (S)
Driver and front passenger seat sensors (S)
Driver and front passenger seat side air bags (S)
Driver and passenger front air bags (S)
Driver seat position sensor (S)
Electronic Brake Force Distribution (S)
3 x forward looking cameras (O)
Forward looking radar hidden near the Tesla front logo (O)
2 x forward looking side cameras (O)
Front and rear parking sensors (S)
Front row acoustic safety belt warning (S)
High-Speed autosteer (O)
Integrated Advanced Stability Control (S)
Interior, emergency manual release mechanism for all doors, frunk and rear cargo area (S)
Lane depart sensors (S)
Lane keeping with automatic steering (O)
Parallel and perendicular self-parking (O)
Rear door child safety locks (S)
1 x rearward looking camera (O)
2 x rearward looking side cameras (O)
Rollover crash sensor (S)
Self-Driving Functionality (O)
Speed assist (O)
Summon your car remotely (O)
Three second row LATCH attchments (S)
Tire pressure monitoring system (S)
Traffic aware cruise control (TACC) (O)
12 x ultrasonic sensors (wider range) (O)
12V power outlet (S)
17-inch capacitive touchscreen (S)
AM/FM/HD radio (S)
Bluetooth (S)
Dual-front USB ports (S)
Flash memory storage (S)
High-definition back-up camera (O)
Homelink with auto open/close of garage door/gate (S)
Maps and Navigation with real-time traffic updates (S)
Satellite radio (O)
7 x speakers, 200-watt stereo system (S)
12 x speakers, 580-watt Dolby Pro Logic IIx 7.1 surround sound (O)
Standard-definition back-up camera (S)
Streaming audio (S)
Wi-Fi ready (S)
Wireless connectivity (capability) (O)
Automatic dual-zone climate control (S)
60/40 split fold-down rear seatback (S)
Built-in rear-facing child seats (O)
Driver seat detection sensor for start-stop functionality (S)
Heated eight-way power front seats with four-way power lumbar (S)
Heated front and rear seats (O)
Ventilated front seats (O)
3-spoke multi-function steering wheel with tactile controls (S)
Heated stearing wheel (O)
Active panoramic roof (O)
Auto present door handles (O)
Black or body coloured aluminum roof (S)
Flush-mounted door handles (S)
Frameless, tempered safety glass front windows (S)
Lighted door handles (O)
Manual rear liftgate (S)
Metal interior door handles (S)
Power rear liftgate (O)
Power windows with one-touch up/down (S)
Rain-sensing, adjustable-speed windshield wipers (S)
Solar-absorbing, laminated safety glass rear window with defroster (S)
Solid glass roof (O)
UV and infrared blocking safety glass windshield (S)
Windscreen wiper/de-icer (O)
Auto-dimming mirrors (O)
Power-folding and heated side mirrors (S)
3-position LED turning headlights (O)
Automatic high/low beam headlights (O)
Bi-functional automatic halogen headlights (S)
Bi-functional high intensity Xenon headlamps (O)
Convenienve lighting (O)
Fascia-mounted rear reflex reflectors (S)
Feature backlit, turn side-repeator lamps (S)
Front LED map lights (S)
High-mounted LED stop lamp (S)
LED cornering lights (S)
LED daytime running lights (S)
LED front and rear side-marker lights (S)
LED front fog lamps (O)
LED rear taillights (S)
Liftgate mounted LED tail and LED back up lamps (S)
Park lights (S)
Steering-activated LED cornering lights (O)
Carbon fibre accents (O)
Cloth and synthetic leather materials (S)
Dark ash wood decor (S)
Figured ash wood decor (O)
Piano black decor accents (S)
Vegan interior with Premium Seats (O)
2 x activated carbon air purification filters (S)
Automatic keyless entry (S)
Carbon fibre spoiler (O)
Center armrest with two cup holders (S)
Front sun visors with mirrors (S)
Fully trimmed frunk and rear cargo area with keyless open (S)
Glove compartment (S)
HEPA filter system with Bioweapon Defense Mode (S)
Integrated Center Console (O)
Micro-filter ventilation system with replaceable filters (S)
Open center console storage area (S)
Parcel shelf (S)
Red Brake Calipers (O)
3-point front seats safety belts with pretentioners, load limiters, lap anchor pretensioners (S)
3-point second row safety belts for all seats (S)
360-degree parking camera (O)
4-wheel anti-lock braking system (ABS) (S)
Advanced side curtain air bags (S)
Anti-theft alarm and immobilizer system (S)
Automatic driving on city streets (O)
Automatic emergency braking (S)
Autopark - parallel and perendicular self-parking (O)
Crash sensor for high voltage disconnect (S)
Driver and front passenger knee air bags (S)
Driver and front passenger seat sensors (S)
Driver and front passenger seat side air bags (S)
Driver and passenger front air bags (S)
Driver seat position sensor (S)
Electronic Brake Force Distribution (S)
3 x forward looking cameras (O)
Forward looking radar hidden near the Tesla front logo (O)
2 x forward looking side cameras (O)
Front and rear parking sensors (S)
Front collision warning (S)
Front row acoustic safety belt warning (S)
High-Speed autosteer (O)
Integrated Advanced Stability Control (S)
Interior, emergency manual release mechanism for all doors, frunk and rear cargo area (S)
Lane depart sensors (S)
Lane keeping with automatic steering (O)
Navigate on Autopilot (O)
Rear door child safety locks (S)
1 x rearward looking camera (O)
2 x rearward looking side cameras (O)
Recognize and respond to traffic lights and stop signs (O)
Rollover crash sensor (S)
Side collision warning (S)
Summon your car remotely (O)
Three second row LATCH attchments (S)
Tire pressure monitoring system (S)
Traffic aware cruise control (TACC) (O)
12 x ultrasonic sensors (wider range) (O)
12V power outlet (S)
17-inch capacitive touchscreen (S)
AM/FM/HD radio (S)
Bluetooth (S)
Dual-front USB ports (S)
Flash memory storage (S)
High-definition back-up camera (O)
Homelink with auto open/close of garage door/gate (S)
Maps and Navigation with real-time traffic updates (S)
Satellite radio (S)
11 x speakers, custom audio system (S)
Standard-definition back-up camera (S)
Streaming audio (S)
Wi-Fi ready (S)
Wireless connectivity (capability) (O)
Automatic dual-zone climate control (S)
60/40 split fold-down rear seatback (S)
Built-in rear-facing child seats (O)
Driver seat detection sensor for start-stop functionality (S)
Heated 12-way power front seats with four-way power lumbar (S)
Heated front and rear seats (S)
Ventilated front seats (S)
3-spoke multi-function steering wheel with tactile controls (S)
Heated stearing wheel (S)
Active panoramic roof (O)
Auto present door handles (S)
Black or body coloured aluminum roof (S)
Flush-mounted door handles (S)
Frameless, tempered safety glass front windows (S)
Lighted door handles (S)
Manual rear liftgate (S)
Metal interior door handles (S)
Power rear liftgate (S)
Power windows with one-touch up/down (S)
Rain-sensing, adjustable-speed windshield wipers (S)
Solar-absorbing, laminated safety glass rear window with defroster (S)
Solid glass roof (O)
UV and infrared blocking safety glass windshield (S)
Windscreen wiper/de-icer (S)
Auto-dimming mirrors (S)
Power-folding and heated side mirrors (S)
3-position LED turning headlights (S)
Automatic high/low beam headlights (S)
Bi-functional automatic halogen headlights (S)
Bi-functional high intensity Xenon headlamps (O)
Convenienve lighting (S)
Fascia-mounted rear reflex reflectors (S)
Feature backlit, turn side-repeator lamps (S)
Front LED map lights (S)
High-mounted LED stop lamp (S)
LED ambient interior lighting (S)
LED cornering lights (S)
LED daytime running lights (S)
LED front and rear side-marker lights (S)
LED front fog lamps (S)
LED rear taillights (S)
Liftgate mounted LED tail and LED back up lamps (S)
Park lights (S)
Steering-activated LED cornering lights (O)
Carbon fibre accents (O)
Cloth and synthetic leather materials (S)
Dark ash wood decor (S)
Figured ash wood decor (O)
Piano black decor accents (S)
Vegan interior with Premium Seats (O)
AMG Line Exterior (O)
Double cup holder in the center console (S)
DYNAMIC SELECT Exterior (S)
Lapse of dark squares behind (O)
Active Blind Spot Assist (O)
Active Brake Assist (S)
Active Distance Assist DISTRONIC with Control Assistant (S)
Active Lane Keeping Assist (O)
Active Parking Assist with PARKTRONIC (S)
Active Speed Limit Assist (S)
Airbags for the driver and front passenger for a frontal collision (S)
Combined thorax/pelvis side impact airbags for the driver and front passenger (S)
Curtain airbags in the roof area between the A, B and C-pillars (S)
Deactivation of the airbag on the front passenger side (S)
Distronic Plus with steering assistant (S)
Evasive Steering Assist (S)
ISOFIX child seat anchorage points on the outer rear seats (S)
Knee airbag for the driver (S)
PRE-SAFE (S)
PRE-SAFE PLUS (O)
Pyrotechnical belt tensioners and force limiters (S)
Rear view camera (S)
Three-point seat belts on four seats (S)
Tire pressure monitor (S)
Traffic Sign Assist (S)
10.25-inch instrument cluster (S)
10.25-inch MBUX infotainment display (S)
12v outlet in the luggage compartment (S)
Burmester Surround-Sound system (O)
Digital radio (DAB) (S)
Hands-free Access (S)
KEYLESS-GO package (S)
MBUX multimedia system (S)
Preparation for Navigation Services (S)
Standard smartphone integration with Apple CarPlay and Android Auto (S)
2 x USB ports in the rear (S)
2-zone THERMATIC automatic air conditioning (S)
Automatic pre-entry climate control (S)
Heat pump function and electric heater boosters (S)
4-way lumbar support front seats (S)
40/20/40-split rear seats (S)
Heated driver and front passenger seats (S)
Electric tailgate (S)
Heat and sound insulating glass for front side windows (S)
Heated rear window (S)
Heated window washer system (S)
Rain sensor (S)
Automatic glare-free side and interior mirrors (S)
Electrically foldable side mirrors (S)
Heated side mirrors (S)
64-color ambient LED lighting (O)
Adaptive High Beam Assistant Plus (S)
LED Intelligent Light System headlamps (S)
LED strip rear lights (S)
Artificial leather with aluminium, carbon fiber or wood trim (O)
High-grade Aberdeenfabric (S)
Roof cover in black fabric (S)
Velour floor mats (S)

Additional information

Additional information about this electric vehicle.

Additional information-After a series of availability/unavailability the Model S SR has been finally slashed in July 2019-
 2018 Tesla Model S 75D2019 Tesla Model S Standard Range2020 Mercedes-Benz EQC 400 4MATIC Progressive Edition