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41 photos
Vehicle
›
Mercedes-Benz
›
Models
›
CLS
2021
Mercedes-Benz
CLS
Germany
Diesel
AWD
Coupe
Updated Aug 24, 2026
41 photos
41 photos
Photos
Specifications
Vehicle Details
Powertrain
Dimensions
Engine & Performance
Dimensions & Weight
Exterior
Interior
Features
Safety & Security
Other
Vehicle Details
Year
2021
Make
Mercedes-Benz
Model
CLS
Body Style
Coupe
Generation
C257
Seats
4
Doors
4
Fuel
Diesel
Drivetrain
AWD
Transmission
Automatic
Powertrain
Engine Name
400 d 4MATIC 9G-Tronic
Engine Configuration
V
Power (hp)
340 hp
Power (kW)
250 kW
Torque
700 Nm (516 lb-ft)
Top speed
250 km/h
(155 mph)
0–60 mph
4.8 seconds (estimated)
0–100 km/h
5 seconds
Displacement
2,925 cc
Dimensions
Length
4,988 mm
(196.4 in)
Width
1,890 mm
(74.4 in)
Height
1,435 mm
(56.5 in)
Wheelbase
2,939 mm
(115.7 in)
Curb weight
1,935 kg
(4,266 lb)
Engine & Performance
Engine
Engine Specification
Rev. at Max Power
4,400 rpm
Rev. at Max Torque
1,200 - 3,200 rpm
Engine Configuration
Compression Ratio
15.5 :1
Engine Configuration
V-Engine
Turbocharger
Yes
Engine Mount
Longitudinally
Service Intervals
Air Filter
60,000 km / 4 years
Fuel Filter
250,000 km / 15 years
Oil Change & Engine Filter
15,000 km / 1 years
Engine Coolant
250,000 km / 15 years
Interior Filter
30,000 km / 2 years
Transmission & Drivetrain
Transmission
Automatic
Gear Selector
Paddles
Brakes
Parking Brake
Electric
Front Brakes
Disc Brakes
Brake Caliper Colour
Silver
Front Brakes
Cooling
Perforated
Fuel
General
Tank Volume
50 litres
Emission
Emission Standard
Euro 6d
Emission Class
B
Emission Control
Particle Filter
Emission › Emission Control
Selective Catalyst Reduction (SCR)
Yes
Emission › Emission Control › Selective Catalyst Reduction (SCR)
Tank Volume (DEF)
25 litres
WLTP Consumption
Low (l/100km) (WLTP)
8.9 - 9.2 litres / 100 km
Medium (l/100km)
7.2 - 7.5 litres / 100 km
High (l/100km)
6 - 6.3 litres / 100 km
Extra High (l/100km)
6.4 - 6.7 litres / 100 km
Combined (l/100km)
6.8 - 7.1 litres / 100 km
Fuel Consumption NEDC
City
6.8 - 7.1 litres / 100 km
Highway
5.1 - 5.4 litres / 100 km
Combined
5.7 - 6 litres / 100 km
Emission WLTP
CO₂, Combined
178 - 185 g/km
Emission NEDC
CO₂, Combined
152 - 158 g/km
Dimensions & Weight
Exterior
Height (Bonnet Open)
2,331 mm
(91.8 in)
Track, Front
1,618 mm
(63.7 in)
Overhang, Front
888 mm
(35.0 in)
Overhang, Rear
1,161 mm
(45.7 in)
Ground Clearance
93 mm
(3.7 in)
Interior
Head Room, Front
1,018 mm
(40.1 in)
Head Room, Rear
927 mm
(36.5 in)
Hip Room, Front
1,467 mm
(57.8 in)
Hip Room, Rear
1,436 mm
(56.5 in)
Shoulder Room, Front
1,496 mm
(58.9 in)
Shoulder Room, Rear
1,488 mm
(58.6 in)
Weight
Gross Weight
2,545 kg
(5,611 lb)
Max Trailer Load, braked 12%
1,900 kg
(4,189 lb)
Max Trailer Load, unbraked
750 kg
(1,653 lb)
Cargo Capacity
610 kg
(1,345 lb)
Max Roof Load
100 kg
(220 lb)
Exterior
Chassis & Body
Chassis
Chassis
Coupé
Pillars
A-C
Chassis Construction
Unibody
Doors
Front Doors
Conventional
Rear Doors
Conventional
Equipment
Side Mirrors
Mirror Type
Conventional
Adjustments
Electrical
Folding
Electrical
Heated
Yes
Side Mirrors › Folding
Driver side
Optional
Windscreen Wipers
Heated Washer Nozzles
Optional
Heated Water Tank
Optional
Windscreen Wipers: Connector type, Front
Mercedes-Benz Fit
Number of Windscreen Wipers, Front
2
Windows
Window Lifts, Front
Powered
Heated Windows
Optional
Heat-Insulating Windows
Optional
Noise Reducing Windows
Optional
Tinted Windows
Optional
Windows › Heated Windows
Front
Optional
Windows › Heat-Insulating Windows
Front
Optional
First Row
Optional
Second Row
Optional
Rear
Optional
Windows › Noise Reducing Windows
Front
Optional
First Row
Optional
Second Row
Optional
Windows › Tinted Windows
Second Row
Optional
Rear Window
Optional
Other Equipment
Sunroof
Optional
Normal Roof
Yes
Antenna
Glass-integrated
Lights
Main Beam
LED
Low Beam
LED
Daytime Running Light
LED
Special Features
Automatic Headlight Activation
Main Beam Assist
Adaptive Headlights
Cornering Lights
Optional
Special Features
Dynamic Cornering Lights
Optional
Rims & Tires
Tire Pressure Monitoring System (TPMS)
Yes
Tightening Torque
150 Nm
Rim Material
Alloy
Rim Type
Disc Wheel
Interior
Equipment
Instrument Cluster
Trip Computer
Yes
Head-up Display (HUD)
Optional
Speedometer
Digital
Tachometer
Digital
Fuel Gauge
Digital
Odometer Limit
1,000,000 km/miles
Instrument Cluster › Trip Computer
Display
12.3"
Instrument Cluster › Trip Computer › Display
Navigation
Yes
Type
Colour
Climate Control
Climate Control
Automatic
Air Condition
Yes
Micro Filter
Yes
Pollen Filter
Yes
Outside Temperature Indicator
Yes
Climate Control › Air Condition
Refrigerant
R134A
Connectivity
Radio
AM
FM
TV Receiver
Optional
App-Connect
Optional
Bluetooth
Phone
Audio
Cellular Network
4G
3G
WiFi
Optional
Connectivity › Radio
DAB
Optional
Connectivity › Media Format
CD
Optional
Memory Card Reader
SD
Connectivity › Media Inputs
USB
Yes
Connectivity › Media Inputs › USB
Number of Ports
2 pcs
Connectivity › App-Connect
Android Auto
Optional
Apple CarPlay
Optional
Displays
Center Display
12.3"
Entertainment Screens
Optional
Displays › Center Display
Type
Colour
Displays › Entertainment Screens
Back of Headrest
Optional
Speakers
Total Number of Speakers
13 pcs
Speakers Max. Watt
590 W
Interior Storage › Storage Compartments
Glove Compartment
Cooled
Light
Lockable
Armrest Hatch
Front
Sunglass Compartment
Yes
Lights
Read Light
Front
Guide Light
Yes
Other Equipment
Make-up Mirror
Driver Side
Passenger Side
Clock
Analogue
Digital
230V Outlet
Optional
Carpets
Yes
Ashtray
Optional
Cigarette Lighter
Optional
Other Equipment › Make-up Mirror
Make-up Light
Driver
Passenger
Other Equipment › Carpets
Material
Textile
Steering Wheel
Multifunction Steering Wheel
Yes
Heated
Optional
Power Steering
Yes
Sport
Yes
Material
Leather
Voice Command
Yes
Answer Phone
Yes
Volume
Yes
Mute Audio
Yes
Multifunction Steering Wheel
Menu Navigation
Yes
Cruise Control
Activate/Deactivate
Speed Up/Down
Resume
Adjustments
Tilt
Yes
Telescope
Yes
User Memory
Optional
Trunk
Rear Trunk
Yes
Automatic Open
Optional
Automatic Close
Optional
Cargo Hooks
Yes
Flat Surface
Yes
Hatch Through Rear Seats
Optional
Soft Close
Optional
Hatch Opening Type
Under Rear Window
Rear Trunk
Volume
520 litres
Trunk Door Opening Height
1,893 mm
(74.5 in)
Automatic Open
Button on Trunk Door
Optional
From Inside Car
Optional
Key Button
Optional
Motion Activated
Optional
Design
Entry Guard Material
Stainless steel
Entry Guard Material
Brown
Optional
Grey
Optional
Seats
Front Seats › Adjustments, Driver
Seat Depth
Yes
Seat Height
Yes
Backrest Angle
Yes
Lumbar Support
Optional
Headrest, Height
Yes
Headrest, Tilt
Yes
Front Seats › Adjustments, Passenger
Seat Depth
Yes
Seat Height
Yes
Backrest Angle
Yes
Lumbar Support
Optional
Headrest, Height
Yes
Headrest, Tilt
Yes
Front Seats
Power Seat, Driver
Optional
Power Seat, Passenger
Optional
Heated Seats
Optional
Armrest
Middle
Massage
Optional
Ventilated Seats
Optional
Front Seats › Massage
Driver
Optional
Passenger
Optional
Front Seats › Ventilated Seats
Driver
Optional
Passenger
Optional
Second Seat Row
Collapsible
Manual
Number of Seats
3
Type of Seat
Adult
Second Seat Row › Collapsible
Split Fold Ratio
40/20/40
Heated Seats
Optional
Second Seat Row › Headrests
Outer Seats
Height Adjustment
Features
Comfort Features
Keyless Entry
Optional
Keyless Start
Yes
Garage Remote Control
Optional
Cruise Control
Yes
Speed Limiter
Yes
Parking Heater
Optional
Cameras
Optional
Wireless Phone Charger
Optional
Parking Heater
Cabin Heater
Optional
Parking Heater › Cabin Heater
Remote
Optional
Cameras
Rear
Optional
Other Features
GPS
Navigation
Start & Stop
Yes
Driving Mode Selection
Yes
Smartphone App
Yes
Safety & Security
Seat Belt
Type of Belt
Three-Point-Belt
Yes
Seat Belt Colour
Black
Assist Systems
Electronic Stability Control (ESC)
Yes
Dynamic Steering Response (DSR)
Yes
Forward Collision Warning (FCW)
Yes
Lane Assist System
Yes
Parking Assist
Yes
Sign Assist
Yes
Trailer Stability Assist (TSA)
Optional
Lane Assist System
Lane Keeping Assist (LKA)
Yes
Brake Systems
Autonomous Emergency Brake System (AEB)
Yes
Power Brakes
Yes
Anti-lock Braking System (ABS)
Four-channel
Traction Control System (TCS)
Yes
Electronic Brakeforce Distribution (EBD)
Yes
Brake Energy Regeneration
Yes
Electronic Brake Assist (BA/EBA)
Yes
Brake Pad Wear Indicator
Yes
Autonomous Emergency Brake System (AEB)
Car-to-car
Yes
Pedestrian
Yes
Cyclist
Yes
City
Yes
Inter-urban
Yes
Sensors
Parking Sensors
Optional
Blind Spot Detection (BLIS)
Optional
Pedestrian/Bicycle Detection
Yes
Light Sensor
Yes
Rain Sensors
Yes
Parking Sensors
Rear
Optional
Other Features
Immobiliser
Yes
Anti-theft Alarm
Optional
Central Locking
Remote
Child Safety Locks
Yes
Active Bonnet
Yes
Emergency Call
Yes
Safety Testing
General
Not Tested by Euro NCAP
Yes
Airbags
Feature
Driver
Passenger
Rear
Frontal Airbag
Driver
Yes
Passenger
Yes
Rear
-
Side Chest Airbag
Driver
Yes
Passenger
Yes
Rear
Optional
Side Head Airbag
Driver
Yes
Passenger
Yes
Rear
-
Side Pelvis Airbag
Driver
Yes
Passenger
Yes
Rear
-
Knee Airbag
Driver
Yes
Passenger
-
Rear
-
Curtain Airbag
Driver
Yes
Passenger
Yes
Rear
Yes
Airbag cut-off Switch
Driver
-
Passenger
Yes
Rear
-
Child Protection
Isofix
Passenger: -
Rear: Yes
Other
Warranty
Manufacturer
2 years
Body Protection
3 years
Rust Damage
30 years
Car Classification
American Classification
Mid-Size Luxury Car
British Classification
Executive Car
Australian Classification
Large Car
European Segment
E-Segment
Car.info Classification
Executive Car
ACRISS
Type
4-5 Doors (D)
Tests
Autotest
Body/Trunk
2.7
Interior
2.4
Comfort
1.6
Motor/Drivetrain
1.1
Driving Characteristics
1.9
Environment/EcoTest
3
Security
1.4
Judgment Technology/Environment
2.1
Judgment Technology/Environment
Good
Judgment Car Cost
5
Judgment Car Cost
Poor
CLS
Model
3 variants
€67,000
MSRP · EUR
8.9
Body
Coupe
Variant
CLS Standard
2005–2023
CLS Coupe Generations
5 of 6
C257
2019–2021
Year
2021
Powertrain
400 d 4MATIC 9G-Tronic
Horsepower
340 hp
Drivetrain
AWD
Fuel
Transmission
Automatic
Diesel
CoupeCoupe
AWD
Automatic
Diesel