Mercedes-Benz C-Class Cabriolet 2016–2018 car dimensions: 4686 mm long, 1810 mm wide and 1409 mm high. Unladen weight is 1,600 kg. Braked towing is 1,800 kg.
The cabin offers dual-zone automatic climate control that adjusts for top-up or top-down driving, with warmer air directed to hands when open. A 7-inch colour display with console touchpad and controller is standard. an 8.4-inch COMAND screen is optional. Electronic cruise control is fitted. COLLISION PREVENTION ASSIST PLUS provides standard automatic emergency braking. Blind Spot Assist is standard. Rearview camera is standard. Active Parking Assist with sensors and Active Lane Keeping Assist come in packages on higher grades. Heated seats and AIRSCARF neck heating aid open-top comfort.
Boot space is 360 litres with the roof up and 285 litres with it stowed. Rear seats split-fold 50:50 for longer items.
Braked towing reaches 1800 kg on most models, 1600 kg on some manuals and 1000 kg on AMG C43. Unbraked is 750 kg. Payload is around 465-480 kg depending on variant. The car suits light leisure towing but is not set up as a heavy work vehicle.
The four-seat cabin uses sport seats with muscular side bolsters and integrated head restraints. Power front seats with memory and thigh support are standard, as are heated fronts and AIRSCARF neck-level heating. Dual-zone climate control adjusts automatically for top-up or top-down use. The triple-layer acoustic soft top keeps the cabin quiet when closed. Optional multi-contour seats add adjustable bolsters and massage. Heat-reflecting leather stays cooler in sun. Ambient lighting and quality materials give a premium feel.
C 300 fuel economy 22 city/29 highway/25 combined mpg
ASSYST PLUS service: first A at 10,000 miles or 12 months, then A/B every 10,000 miles or 12 months
Euro NCAP 5 stars (2017): adult 89%, child 79%, pedestrian 66%, safety assist 53%
Standard safety: Collision Prevention Assist Plus, PRE-SAFE, Attention Assist, Blind Spot Assist, pop-up roll bars, seatbelt presenters, multiple airbags
Petrol and diesel engines are offered. The C 300 records 22 mpg city, 29 highway and 25 combined. European figures vary by engine under NEDC or WLTP cycles.
Servicing follows the ASSYST PLUS display. The first Service A falls due at 10,000 miles or 12 months. Service B follows at 20,000 miles or 24 months, then the two services alternate every 10,000 miles or 12 months. Brake fluid is changed every two years.
The car earned five stars from Euro NCAP in 2017. Adult occupant protection scored 89 percent, child 79 percent, pedestrian 66 percent and safety assist 53 percent. Standard equipment includes Collision Prevention Assist Plus with autonomous emergency braking, PRE-SAFE, Attention Assist, Blind Spot Assist, automatic seatbelt presenters and dual pop-up roll bars. Up to ten airbags protect occupants.
Keep the multi-layer soft top clean and lubricated at service. Heat-reflecting leather helps the cabin stay cooler when parked open. Regular ASSYST PLUS checks maintain the structure and electronics.
Length 4686 mm, Width 1810 mm, Height 1409 mm, Wheelbase 2840 mm (C-Class Cabriolet 2016–2018)
Sources: manufacturer data, Mercedes-Benz Österreich press release, auto-data.net C 180, mobile.de and Australian reviews.