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2018 Mercedes-Benz GLA Overview, Reviews, Ratings & Specs

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Cathleen V | July 18, 2026
The 2018 Mercedes-Benz GLA is a compact luxury crossover that entered the market in 2014. Slotting below the larger GLC, it offers a more accessible entry point into the Mercedes-Benz brand. Available body styles are primarily a five-door hatchback crossover. Key trims include the GLA 250 and the performance-oriented AMG GLA 45. Pricing for new models ranged from approximately $33,000 to over $50,000. Its popularity stems from its premium badge, upscale interior, and nimble handling, appealing to urban dwellers and those seeking a stylish, compact SUV experience.
The Good

The 2018 GLA impresses with its agile handling and potent optional AMG powertrain for driving enthusiasts. Its stylish, premium interior appeals to emotional buyers, while its compact size and decent fuel economy suit practical needs. The brand cachet and available luxury features add to its desirability.

The Bad

Potential owners should be aware of a somewhat cramped rear seat and cargo area, a less refined ride quality compared to some rivals, and a relatively high starting price. Infotainment system usability can also be a point of contention for some drivers.

2018 Mercedes-Benz GLA: Quick Overview

  • Engine Options: The 2018 Mercedes-Benz GLA primarily offered two engine choices:
    • GLA 250: 2.0-liter turbocharged inline-4 cylinder engine.
    • AMG GLA 45: Hand-built AMG 2.0-liter turbocharged inline-4 cylinder engine.
  • Horsepower:
    • GLA 250: 208 horsepower.
    • AMG GLA 45: 375 horsepower.
  • Fuel Economy (EPA Estimated):
    • GLA 250 (FWD): 24 mpg city / 33 mpg highway.
    • GLA 250 (4MATIC AWD): 23 mpg city / 31 mpg highway.
    • AMG GLA 45 (4MATIC AWD): 22 mpg city / 28 mpg highway.
  • 0-60 Times:
    • GLA 250 (approximate): 7.1 seconds (FWD), 7.0 seconds (4MATIC).
    • AMG GLA 45 (approximate): 4.3 seconds.
  • Towing Capacity: The 2018 Mercedes-Benz GLA is not typically designed or rated for towing significant loads. Towing capacity is generally considered minimal, if available at all, and not a primary feature.
  • Trim-Level Features:
    • GLA 250: Standard features include 18-inch alloy wheels, power liftgate, power-adjustable front seats, keyless ignition, dual-zone automatic climate control, an 8-inch infotainment display, Bluetooth connectivity, and a rearview camera. Available options include leather upholstery, navigation, premium audio, panoramic sunroof, and various driver assistance systems. 4MATIC all-wheel drive was optional.
    • AMG GLA 45: Builds upon the GLA 250 with a more powerful engine, AMG-tuned sport suspension, performance brakes, unique exterior styling elements, sport seats, a sport steering wheel, and a higher level of standard luxury features. Standard features include 19-inch wheels, performance exhaust, and sportier interior trim. 4MATIC all-wheel drive was standard.
  • Transmission: Both models come standard with a 7-speed dual-clutch automatic transmission (DCT).

2018 Mercedes-Benz GLA Specifications

Vehicle Information
Year 2018
Make Mercedes-Benz
Model GLA
Trim -
Style GLA 250 SUV FWD 7AT 2.0L I4
Type Sport Utility Vehicle
Category passenger
Manufacturing Details
Made In Germany
Manufacturing City RASTATT
Dimensions
Doors 4-Door
Curb Weight 3350 pounds
Gross Vehicle Weight Rating -
Overall Height 60 inches
Overall Length 173.9 inches
Overall Width 71 inches
Wheelbase Length 106.3 inches
Standard Seating 5
Engine & Performance
Engine 2L I4
Engine Size 2L
Engine Cylinders 4
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $33,900
Invoice Price $32,000
Delivery Charges $995

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What Problems Does the 2018 Mercedes-Benz GLA Have?

While the 2018 Mercedes-Benz GLA is generally considered a solid vehicle, some common issues and concerns have been reported by owners. One frequently mentioned problem relates to the power steering system, with some owners experiencing stiff steering or noises, particularly at lower speeds. Another area of concern for some is the transmission, specifically the 7-speed dual-clutch automatic. While generally reliable, some drivers have noted occasional rough shifting or hesitation, especially in stop-and-go traffic.

Electrical issues are also sometimes cited, ranging from minor glitches with the infotainment system or power accessories to more significant problems with sensors or control modules. This can manifest as warning lights on the dashboard or non-functional features.

Regarding long-term reliability, Mercedes-Benz vehicles, in general, can be more expensive to maintain and repair than mainstream brands once they are out of warranty. Specific to the 2018 GLA, concerns about the longevity of certain suspension components or the effectiveness of the climate control system in extreme conditions have been voiced by some owners.

There have been a few recalls issued for the 2018 GLA. For instance, one recall addressed a potential issue with the front passenger airbag, where the inflator might rupture. Another recall involved the fuel pump, which could fail prematurely. It's crucial for prospective buyers to check for any outstanding recalls and ensure they have been addressed by a dealer. While not a widespread issue, some owners have reported concerns with the water pump potentially leaking or failing over time.

Overall, while the 2018 GLA offers a premium experience, potential buyers should be aware that like any vehicle, it can encounter mechanical issues, and maintenance costs may be higher than average.

How long will the 2018 Mercedes-Benz GLA last?

Based on owner data and typical maintenance habits, a 2018 Mercedes-Benz GLA can reasonably be expected to provide reliable service for 150,000 to 200,000 miles, or roughly 10-13 years, with diligent care. Long-term durability is generally good, especially for the powertrain, provided regular maintenance is performed according to Mercedes-Benz recommendations. However, weaknesses can emerge over time, particularly concerning the electrical systems and some suspension components. Owners who prioritize scheduled maintenance, use high-quality fluids, and address minor issues promptly will significantly enhance the vehicle's longevity and reduce the likelihood of major, costly repairs down the line. Neglecting maintenance can lead to accelerated wear and tear.

What Technology & Safety Features are Included?

The 2018 Mercedes-Benz GLA comes equipped with a respectable array of technology, entertainment, and safety features, befitting its luxury status. Standard technology includes an 8-inch high-resolution display screen for the infotainment system, controlled via a rotary dial and buttons on the center console. This system offers Bluetooth connectivity for audio streaming and hands-free calling, along with an auxiliary audio input and USB ports.

For entertainment, the standard audio system provides good sound quality, with an optional upgraded Harman Kardon surround sound system available for audiophiles. Apple CarPlay and Android Auto integration were optional features, allowing seamless smartphone connectivity for navigation, music, and communication apps. A navigation system was also an optional upgrade.

Driver-assistance and safety features are a strong suit for the GLA. Standard safety equipment includes a rearview camera, multiple airbags (front, side-front, side-rear, and curtain), stability control, and traction control. ABS and electronic brakeforce distribution are also standard.

Optional driver-assistance features significantly enhance safety and convenience. These can include Active Brake Assist (collision prevention), Blind Spot Assist, Lane Keeping Assist, adaptive cruise control, and parking assistance. A panoramic sunroof was a popular optional feature, enhancing the cabin's airy feel.

In terms of crash-test ratings, the 2018 Mercedes-Benz GLA performed well. The National Highway Traffic Safety Administration (NHTSA) awarded it an overall 5-star safety rating. The Insurance Institute for Highway Safety (IIHS) gave it Good ratings in most crashworthiness tests, contributing to its overall appeal as a safe compact luxury crossover. However, its performance in the headlight and front crash prevention evaluations varied depending on the specific options equipped.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2018 Mercedes-Benz GLA Prices and Market Value

When new, the 2018 Mercedes-Benz GLA had a starting MSRP ranging from approximately $33,400 for the GLA 250 to over $50,000 for the AMG GLA 45. Currently, on the used market, 2018 GLA models typically range from $18,000 to $28,000, depending on mileage, condition, trim level, and options. The GLA experiences a typical luxury vehicle depreciation curve, with its value dropping significantly in the first few years. Factors affecting resale value include the overall condition of the vehicle, maintenance history, mileage, and the presence of desirable optional features like all-wheel drive or advanced safety systems. The AMG models generally hold their value better due to their performance appeal. Overall, it has undergone substantial depreciation from its original MSRP.

2018 Mercedes-Benz GLA Cost of Ownership

Owning a 2018 Mercedes-Benz GLA is generally more costly than a non-luxury compact SUV. Insurance premiums will likely be higher due to its luxury branding and parts costs. Fuel economy is decent for its class, especially in the GLA 250, but premium fuel is recommended. Maintenance costs are higher; routine services like oil changes and filter replacements will be more expensive than mainstream vehicles. Repairs, especially for specialized components or after the warranty expires, can be significantly costly. Therefore, the 2018 GLA is considered a moderately costly vehicle to own, demanding a higher budget for ongoing expenses.

2018 Mercedes-Benz GLA Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 13.2 gallons
City Mileage 24 miles/gallon
Highway Mileage 33 miles/gallon

2018 Mercedes-Benz GLA Insurance

Insurance for a 2018 Mercedes-Benz GLA is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2018 Mercedes-Benz GLA Compare to Other Sport Utility Vehicle?

The 2018 Mercedes-Benz GLA competes in the premium compact SUV segment against rivals like the Audi Q3, BMW X1, and Lexus UX. In terms of performance, the GLA 250 offers competent acceleration, while the AMG GLA 45 is a performance standout with its potent engine. The BMW X1 often offers a more engaging driving experience with its rear-wheel-drive bias and dynamic handling. The Audi Q3 provides a more comfortable and refined ride.

When it comes to features and interior, the GLA boasts a premium cabin with high-quality materials and distinctive styling, appealing to luxury buyers. However, its rear-seat space and cargo capacity are among the tightest in its class, a weakness compared to the more spacious BMW X1 and Audi Q3. The Lexus UX, while stylish, can feel less refined in its powertrain and materials.

Reliability is often a mixed bag in this segment. Mercedes-Benz vehicles can be more expensive to maintain long-term. The Lexus UX generally leads in long-term reliability surveys. The Audi Q3 and BMW X1 have decent reliability but can also incur higher repair costs than their non-luxury counterparts.

Price is a significant factor. The GLA often carries a premium price tag, both new and used, reflecting its brand cachet. The Audi Q3 and BMW X1 are often similarly priced, while the Lexus UX might offer a slightly lower entry point.

Alternatives:
* BMW X1: Offers a sportier driving experience, more passenger and cargo space, and often better value for money if a focus is on driving dynamics and practicality.
* Audi Q3: Provides a more comfortable ride, a well-appointed interior, and generally good all-around performance, making it a strong competitor for those prioritizing comfort and refinement.
* Lexus UX: An excellent choice for reliability-focused buyers, offering a comfortable ride and distinctive styling, though it sacrifices some performance and cargo space.

The 2018 GLA stands out for its brand prestige and the thrilling AMG variant, but its practicality and ride comfort are outshined by some rivals.

Final Verdict: Is the 2018 Mercedes-Benz GLA a Good Sport Utility Vehicle?

The 2018 Mercedes-Benz GLA is ideal for urban dwellers and style-conscious buyers who prioritize brand prestige and a compact, agile luxury crossover. It's a good buy for those who value a premium interior and the availability of potent performance in the AMG GLA 45 trim, understanding that practicality, especially rear-seat space and cargo, is compromised. Buying used, particularly an example with a thorough maintenance history and lower mileage, offers better value than buying new, given the significant depreciation. For those seeking a more comfortable ride or greater cargo capacity, rivals like the BMW X1 or Audi Q3 might be better choices. It's worth buying if you can find a well-maintained example at a good price and your priorities align with its strengths.

2018 Mercedes-Benz GLA Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.