Pressure washer K 4 Power Control Flex Car & Stairs
The K 4 Power Control Flex with PremiumFlex hose and G 160 Q Power Control trigger gun is suitable for moderate dirt on patios, steps and cars. Incl. Car & Stairs Kit.
Applications
The K 4 Power Control Flex Car & Stairs pressure washer makes it unbelievably easy to clean every surface at the right pressure. And thanks to the Kärcher Home & Garden app, finding the right pressure is also very easy. The application consultant integrated into the app supports users with practical tips on every cleaning situation and cleaning task – for perfect cleaning results. For maximum control, the pressure level can be easily adjusted by turning the spray lance or checked on the G 160 Q Power Control trigger gun. The K 4 Power Control Flex also impresses with the Kärcher Plug 'n' Clean detergent system for effortless detergent changes, a PremiumFlex high-pressure hose for added convenience, a telescopic handle for easy transport, as well as a parking position for readily accessible accessories. Includes Car Cleaning Kit for thorough car cleaning, consisting of a foam jet, a rotating wash brush and 1 litre of Car Shampoo. The Stairs Kit with PS 30 Power Scrubber is ideal for cleaning all outside areas.
Features and benefits

Power Control trigger gun with Quick Connect and spray lances
Spray gun with LCD display and buttons for pressure or detergent dosing. Full control – the manual display shows the settings that have been set. Quick Connect for easily connecting high-pressure hose and accessories.
PremiumFlex high-pressure hose
The flexible hose ensures the utmost flexibility, and therefore maximum freedom of movement. Wind and unwind the high-pressure hose easily without any knots forming.
Home & Garden app
The Kärcher Home & Garden app makes you a cleaning expert. Make use of our extensive Kärcher knowledge for the perfect cleaning results. Convenient comprehensive service – all info on the device, its application and our Service portal.Plug 'n' Clean – the Kärcher detergent system
- Quick, simple and convenient – thanks to Plug 'n' Clean, the detergent can be easily changed in just one step.
Outstanding performance
- The water-cooled motor impresses with its particularly long service life and high power.
Specifications
Technical data
Supply voltage (V/Hz) | 230 / 50 |
Pressure (bar/MPa) | 20 - max. 130 / 2 - max. 13 |
Flow rate (l/h) | max. 420 |
Area performance (m²/h) | 30 |
Inlet temperature (°C) | max. 40 |
Connected load (kW) | 1,8 |
Power cable (m) | 5 |
Colour | Yellow |
Weight without accessories (kg) | 11,9 |
Weight incl. packaging (kg) | 17,2 |
Dimensions (L x W x H) (mm) | 405 x 306 x 584 |
Scope of supply
- Car Cleaning Kit: Rotating wash brush, 0.3-litre foam jet, 3-in-1 Car Shampoo, 1 l
- High-pressure gun: G 160 Q Power Control
- Vario Power Jet
- Dirt Blaster
- High-pressure hose: 8 m, PremiumFlex
- Adapter for A3/4" garden hose connector
Equipment
- Integrated storage net
- Device-side Quick Connect
- Detergent application via: Plug 'n' Clean system
- Telescopic handle
- Water-cooled motor
- Integrated water filter






Application areas
- Bicycles
- Garden tools and equipment
- Garden/terrace/balcony furniture
- Areas around the home and garden
- Motorbikes and scooters
- Small cars