Compare the2024 Mercedes C-Class SedanVS 2024 Acura TLX

The C-Class Sedan’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The TLX doesn’t offer pre-crash pretensioners.

The C-Class Sedan has a standard Post Collision Brake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The TLX doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Over 200 people are killed each year when backed over by motor vehicles. The C-Class Sedan offers an optional Maneuvering Brake Function that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The TLX doesn’t offer backup collision prevention brakes.

Earlier warning of stopped traffic, traffic signals, dangerous road conditions, weather, or accidents, can keep driver's safer and prevent crashes. The C-Class Sedan offers optional Car-to-X Communication, a system that seemlesly communicates important warnings to the driver about impending danger, if they're available. The TLX doesn’t offer a system that can receive automated systems from infrastructure or other vehicles.

Both the C-Class Sedan and TLX offer rear cross-traffic warning, but the C-Class Sedan with Rear Cross-Traffic Alert also has Active Brake Assist (automatically applies the brakes) to better prevent a collision when backing near traffic. The TLX’s Rear Cross Traffic Monitor doesn’t automatically brake.

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

There are over 41 percent more Mercedes dealers than there are Acura dealers, which makes it easier should you ever need service under the C-Class Sedan’s warranty.

A hardened steel chain, with no maintenance needs, drives the camshafts in the C-Class Sedan’s engine. A rubber cam drive belt that needs periodic replacement drives the TLX’s camshafts. If the TLX’s belt breaks, the engine could be severely damaged when the pistons hit the opened valves.

J.D. Power and Associates’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Acura vehicles. With 6 fewer problems per 100 vehicles, JD Power ranks Mercedes higher than Acura.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Acura With 49 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Mercedes higher than Acura.

The C-Class Sedan’s 2.0 turbo 4-cylinder hybrid produces 15 lbs.-ft. more torque (295 vs. 280) than the TLX’s standard 2.0 turbo 4-cylinder.

On the EPA test cycle the C-Class Sedan gets better mileage than the TLX:

Regenerative brakes improve the C-Class Sedan’s fuel efficiency by converting inertia back into energy instead of wasting it. The TLX doesn’t offer a regenerative braking system.

The C-Class Sedan has 1.5 gallons more fuel capacity than the TLX (17.4 vs. 15.9 gallons), for longer range between fill-ups.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes C-Class Sedan higher (8 out of 10) than the Acura TLX (5 to 7). This means the C-Class Sedan produces up to 13.5 pounds less smog-producing pollutants than the TLX every 15,000 miles.

The C-Class Sedan’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the TLX are solid, not vented.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the C-Class Sedan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The TLX doesn’t offer run-flat tires.

The C-Class Sedan’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The TLX doesn’t offer drift compensation steering.

For better maneuverability, the C-Class Sedan’s turning circle is 2.6 feet tighter than the TLX’s (37.6 feet vs. 40.2 feet).

The C-Class Sedan is 7.6 inches shorter than the TLX, making the C-Class Sedan easier to handle, maneuver and park in tight spaces.

The C-Class Sedan has 2.8 inches more front headroom, 2.3 inches more front hip room, 1.2 inches more rear headroom, 1.1 inches more rear legroom, 3.5 inches more rear hip room and .6 inches more rear shoulder room than the TLX.

Pressing a switch automatically lowers the C-Class Sedan’s rear seats, to make changing between passengers and cargo easier. The TLX doesn’t offer automatic folding seats.

To make loading and unloading groceries and cargo easier when your hands are full, the C-Class Sedan’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The TLX doesn’t offer a power or hands-free opening trunk.

The engine in the C-Class Sedan is mounted longitudinally (North-South), instead of sideways, as in the TLX. This makes it easier to service and maintain, because there are no rear spark plugs and the accessory belts are in front.

Unlike the driver-only memory seat and mirrors in the TLX, the C-Class Sedan has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The power windows standard on both the C-Class Sedan and the TLX have locks to prevent small children from operating them. When the lock on the C-Class Sedan is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The TLX prevents the driver from operating the other windows just as it does the other passengers.

The C-Class Sedan’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The TLX’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

Consumer Reports rated the C-Class Sedan’s headlight performance “Excellent,” a higher rating than the TLX’s headlights, which were rated “Good.”

To help drivers avoid possible obstacles, the C-Class Sedan offers optional cornering lights to illuminate around corners when the turn signals are activated. The TLX doesn’t offer cornering lights. The C-Class Sedan also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

A power rear sunshade and manual rear side window sunshades are standard in the C-Class Sedan to help block heat and glare for the rear passengers. The TLX doesn’t offer a rear or rear side window sunshades.

The C-Class Sedan’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The TLX has an automatic rear view mirror, but its side mirrors don’t dim.

The C-Class Sedan has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The TLX doesn’t offer a house-current electrical outlet.

The C-Class Sedan’s optional Active Parking Assist can parallel park or back into a parking spot by itself, stopping and changing direction automatically. The TLX doesn’t offer an automated parking system.

The Mercedes C-Class comes in coupe, convertible and sedan bodystyles; the Acura TLX isn’t available as a coupe or convertible.

The Mercedes C-Class outsold the Acura TLX by almost two to one during 2023.