Mercedes-Benz S-Class Cabriolet (2016-2021) running costs and reliability
Miles per pound (mpp) ⓘ
Petrol engines | 3.4 - 4.0 mpp |
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Fuel economy ⓘ
Petrol engines | 23.5 - 27.4 mpg |
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- Not a cheap car to buy or run
- S500 is the most reasonable
- AMG cars will prove far costlier
The Mercedes-Benz S-Class Cabriolet is not going to be a cheap car to insure, tax or fuel, whichever of the three variants you choose.
Cheapest road tax comes courtesy of the S500, which is also the most frugal with a promised 32.5mpg. Pick the S63 or S65 and this number drops to 28mpg and 23.5mpg respectively, along with a hike in VED costs.
Regardless of which badge your S-Class comes with, you can expect that fuel economy figure to plummet if you drive it the way it was intended to be driven.
The Mercedes-Benz S-Class Cabriolet is not a green car. Even the S500 puts out 204-212g/km of CO2 (depending on wheel choice) and the AMG cars clock in at 237g/km and 272g/km for the S63 and S65.
- Solid build quality
- Lots of gadgets to go wrong
Mercedes-Benz has a good reputation for reliability and while the S-Class is often seen as a groundbreaker in terms of technology, lots of the gadgets used here are present in many other cars too.
The only major recall for the S-Class as a whole so far is for the stop/start system, and the AMG powerplants are hand-built with a meticulous attention to detail.
Ongoing running costs
Road tax | £415 - £600 |
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Insurance group | 50 |
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