Mercedes-Benz S-Class vs Mercedes-Benz C-Class

The Mercedes-Benz S-Class starts from $278,900 before on-road costs, while the Mercedes-Benz C-Class opens at $76,900. That makes the Mercedes-Benz C-Class the more affordable entry point by $202,000.

Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $306,790 and $84,590 respectively.

Over 5 years, the running costs favour the Mercedes-Benz C-Class by roughly $2,135 in fuel alone.

Both the Mercedes-Benz S-Class and Mercedes-Benz C-Class hold a 5-star ANCAP safety rating.

Where the two diverge is in active safety technology. The Mercedes-Benz S-Class packs more ADAS features with 7 out of 10 key systems fitted, compared to 6 in the Mercedes-Benz C-Class.

Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 9 in the Mercedes-Benz S-Class and 9 in the Mercedes-Benz C-Class. The Mercedes-Benz S-Class adds a 360-degree camera that the Mercedes-Benz C-Class misses.

The Mercedes-Benz S-Class features a 12.8-inch touchscreen paired with a 12.3-inch digital dash, while the Mercedes-Benz C-Class gets a 11.9-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.

The Mercedes-Benz S-Class stands out with heated front seats, ventilated seats and Burmester audio that you will not find on the Mercedes-Benz C-Class. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Mercedes-Benz S-Class gets nappa leather upholstery while the Mercedes-Benz C-Class offers synthetic leather. Climate control is 4-zone in the Mercedes-Benz S-Class and 2-zone in the Mercedes-Benz C-Class.

The Mercedes-Benz S-Class uses a Petrol producing 320kW and 520Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 4.9 seconds.

The Mercedes-Benz C-Class responds with a Petrol making 150kW and 300Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 7.8 seconds.

The Mercedes-Benz S-Class has the clear power advantage at 320kW vs 150kW. In the real-world sprint, the Mercedes-Benz S-Class is 2.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Mercedes-Benz S-Class measures 5,179mm long on a 3,106mm wheelbase, 428mm longer than the Mercedes-Benz C-Class at 4,751mm (2,865mm wheelbase). The longer wheelbase on the Mercedes-Benz S-Class generally means more rear legroom.

Boot space is 510L in the Mercedes-Benz S-Class and 455L in the Mercedes-Benz C-Class, giving the Mercedes-Benz S-Class a 55L advantage.

For towing, the Mercedes-Benz S-Class leads with a 2,100kg braked capacity vs 1,800kg. That 300kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $2,394/year for the Mercedes-Benz S-Class and $1,967/year for the Mercedes-Benz C-Class. That is a $427 annual difference in favour of the Mercedes-Benz C-Class.

Estimated annual total: $2,394 (Mercedes-Benz S-Class) vs $1,967 (Mercedes-Benz C-Class). The Mercedes-Benz C-Class saves you roughly $427 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years / 999,999km (Mercedes-Benz S-Class) vs 5 years / 999,999km (Mercedes-Benz C-Class). Both match on warranty length.