Compare the2025 Cadillac CT4VS 2024 Mercedes C-Class Sedan

Both the CT4 and C-Class Sedan have child safety locks to prevent children from opening the rear doors. The CT4 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The C-Class Sedan’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the CT4 are reminded to check the back seat if they opened the rear door before starting out. The C-Class Sedan doesn’t offer a back seat reminder.

The Cadillac CT4 has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The C-Class Sedan doesn’t offer a front passenger side knee airbag.

The CT4’s standard pretensioning seatbelts also sense rear collisions and remove slack from the front seatbelts to help protect the occupants from whiplash and other injuries. The C-Class Sedan doesn’t offer a whiplash protection system.

The CT4’s lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The C-Class Sedan doesn’t offer a lane departure warning system.

To help make backing out of a parking space safer, the CT4 has standard Rear Cross Traffic Alert, helping the driver avoid collisions. Mercedes charges extra for Rear Cross-Traffic Alert on the C-Class Sedan.

Both the CT4 and the C-Class Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras, available all wheel drive and around view monitors.

Cadillac’s powertrain warranty covers the CT4 2 years and 20,000 miles longer than Mercedes covers the C-Class Sedan. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the C-Class Sedan ends after only 4 years or 50,000 miles.

The CT4’s corrosion warranty is 1 year longer than the C-Class Sedan’s (6 vs. 5 years).

There are over 47 percent more Cadillac dealers than there are Mercedes dealers, which makes it easier should you ever need service under the CT4’s warranty.

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the CT4’s reliability 26 points higher than the C-Class Sedan.

J.D. Power and Associates rated the CT4 second among compact premium cars in their 2024 Initial Quality Study. The C-Class Sedan isn’t in the top three in its category.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Cadillac vehicles are more reliable than Mercedes With 22 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Cadillac higher than Mercedes.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Cadillac vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Cadillac 13 places higher in reliability than Mercedes.

The CT4’s optional 2.7 turbo 4-cylinder produces 55 more horsepower (310 vs. 255) and 55 lbs.-ft. more torque (350 vs. 295) than the C-Class Sedan’s 2.0 turbo 4-cylinder hybrid.

An engine control system that can shut down some of the engine’s cylinders helps improve the CT4’s fuel efficiency. The C-Class Sedan doesn’t offer a system that can shut down part of the engine.

The CT4 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The C-Class Sedan doesn’t offer a cap-less fueling system.

A 10-speed automatic is standard on the Cadillac CT4 2.7 turbo 4-cylinder, for better acceleration and lower engine speed on the highway. Only a nine-speed automatic is available for the C-Class Sedan.

The CT4 stops much shorter than the C-Class Sedan:

For better traction, the CT4 Premium Luxury’s tires are larger than the largest tires available on the C-Class Sedan (235/40R18 vs. 225/40R19).

The CT4’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the C-Class Sedan’s optional 40 series front tires.

The CT4 has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The C-Class Sedan doesn’t offer vehicle monitored tire inflation.

The Cadillac CT4 may be more efficient, handle and accelerate better because it weighs about 250 to 400 pounds less than the Mercedes C-Class Sedan.

The front grille of the CT4 Premium Luxury uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The C-Class Sedan doesn’t offer active grille shutters.

The CT4 has a 1000 lbs. towing capacity. The C-Class Sedan has no towing capacity.

J.D. Power and Associates surveys of service recipients show that Cadillac service is better than Mercedes. J.D. Power ranks Cadillac fifth in service department satisfaction. With a 25% lower rating, Mercedes is ranked 17th.

The CT4 Sport offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the C-Class Sedan.