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When three different drivers share the GLA, the memory seats and mirrors make it convenient for all three. Each setting activates different, customized memories for the driver and front passenger’s seat positions and outside mirror angle. The Trailblazer doesn’t offer a memory system.
The GLA’s standard easy entry and exit feature glides the driver’s seat back, making it easier for the driver to get in and out. The Trailblazer doesn’t offer an easy entry system.
The GLA offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Trailblazer doesn’t offer a heads-up display.
The GLA’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Trailblazer’s passenger windows don’t close automatically.
If the windows are left open on the GLA the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Trailblazer can only operate the windows from inside the vehicle, with the ignition on.
The GLA’s standard Keyless-Go allow you to unlock the doors from any outside door handle, open the cargo door, and start the engine, all without removing the key from the pocket or purse. Keyless Start standard on the Trailblazer only offers hands-free access for the ignition, none to unlock the vehicle. Keyless Start is not available on the Trailblazer LT/ACTIV/RS.
The GLA’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 Trailblazer’s manually variable intermittent wipers have to be constantly adjusted.
Heated windshield washer fluid is optional on the GLA to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Trailblazer doesn’t offer heated windshield washer fluid.
To help drivers avoid possible obstacles, the GLA offers optional cornering lights to illuminate around corners when the turn signals are activated. The Trailblazer doesn’t offer cornering lights. The GLA also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.
The GLA’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Chevrolet only offers heated mirrors on the Trailblazer LT/ACTIV/RS.
When the GLA is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Trailblazer’s mirror doesn’t automatically adjust for backing.
The GLA’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 Trailblazer offers an automatic rear view mirror, but its side mirrors don’t dim.
Both the Mercedes GLA and Chevrolet Trailblazer offer exterior mirrors that can be folded to provide convenience. The GLA features standard power folding mirrors, which allow for easy, one-touch folding or unfolding at the driver’s discretion. This provides added convenience when maneuvering or parking, as well as when walking past the parked vehicle. In comparison, the Trailblazer’s foldable mirrors are manual, requiring the driver to get out and physically fold them once parked and unfold them before getting in.
The GLA offers an optional center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable and it can provide a boundary between children. The Trailblazer LS doesn’t offer a rear seat center armrest.
The GLA’s standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. The Trailblazer doesn’t offer dual zone air conditioning.
Both the GLA and the Trailblazer offer rear vents. For greater rear passenger comfort, the GLA has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Trailblazer doesn’t offer rear air conditioning vents, only heat vents.
Compared to the Chevrolet Trailblazer, the Mercedes GLA eliminates the need for separate garage door openers and associated risks of losing, breaking, or having dead batteries with its standard integrated Homelink® universal remote controlled from the rear view mirror.
To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes GLA has a standard wireless phone charging system (Qi) in the center console. Only the Trailblazer LT/ACTIV/RS offers wireless charging and it costs extra.
The GLA’s Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Trailblazer doesn’t offer an automated parking system.
