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Unlike the driver-only memory seat and mirrors optional at extra cost in the Terrain, the GLA has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.
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. An easy entry system costs extra on the Terrain.
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 Terrain 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 Terrain’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 Terrain can only close the windows from inside the vehicle, with the ignition on.
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 Terrain’s standard 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 Terrain 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 Terrain 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 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 Terrain offers an automatic rear view mirror, but its side mirrors don’t dim.
Both the Mercedes GLA and GMC Terrain 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 Terrain’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 has a 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. Dual zone air conditioning costs extra on the Terrain.
The Mercedes GLA has a standard Homelink wireless remote control system for garage door operation and device management, conveniently located on the rear view mirror. Homelink® eliminates the need for separate garage door openers and associated risks of losing, breaking, or having dead batteries. GMC charges extra for Homelink® on the Terrain.
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. Wireless charging costs extra on the Terrain.
The GLA offers an optional 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 Terrain doesn’t offer a house-current electrical outlet.
The GLA’s Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Terrain doesn’t offer an automated parking system.
