For enhanced safety, the front and rear seat shoulder belts of the Mercedes E-Class All-Terrain Wagon have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Cadillac XT5 doesn’t offer pretensioners for its rear seat belts.
The E-Class All-Terrain Wagon has standard whiplash protection, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the whiplash protection system moves the headrests forward to prevent neck and spine injuries. The XT5 doesn’t offer a whiplash protection system.
The E-Class All-Terrain Wagon 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 XT5 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.
To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the E-Class All-Terrain Wagon. But it costs extra on the XT5.
When descending a steep, off-road slope, the E-Class All-Terrain Wagon’s standard Downhill Speed Regulation allows you to creep down safely. The XT5 doesn’t offer Downhill Speed Regulation.
Earlier warning of stopped traffic, traffic signals, dangerous road conditions, weather, or accidents, can keep driver's safer and prevent crashes. The E-Class All-Terrain Wagon has Car-to-X Communication, a system that seamlessly communicates important warnings to the driver about impending danger, if they're available. The XT5 doesn’t offer a system that can receive automated systems from infrastructure or other vehicles.
The E-Class All-Terrain Wagon has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. Only the XT5 Premium Luxury/Sport offers a blind spot warning system.
To help make backing out of a parking space safer, the E-Class All-Terrain Wagon has standard Rear Cross-Traffic Alert and Active Brake Assist automatically engages the brakes to help avoid a collision. Only the XT5 Premium Luxury/Sport offers Rear Cross Traffic Alert and the XT5’s Rear Cross Traffic Alert does not include automatic braking.
The E-Class All-Terrain Wagon’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The XT5 doesn’t offer a driver alert monitor.
Both the E-Class All-Terrain Wagon and the XT5 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras and available lane departure warning systems.