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Used Mercedes Benz GLS Class Buying Guide in KSA

CarTea
CarTea
2025-09-01
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Is Mercedes Benz GLS Class A Good Choice as A Used Car?

The Mercedes Benz GLS Class is a highly regarded luxury SUV that appeals to buyers around the world, including in Saudi Arabia. Known for its opulent interiors, advanced technology, and powerful engines, the GLS Class has garnered a reputation as a top-tier family SUV. But is it a good choice as a used car in KSA? The answer largely depends on the generation and condition of the specific vehicle you're considering.

This article is designed to help KSA car buyers navigate through the various generations of the Mercedes Benz GLS Class and determine which one offers the best value, reliability, and features to suit your needs. With a detailed comparison of specifications, pros and cons, and tips for buying, you'll have a clearer idea of whether a used GLS Class is the right choice for you.


Specification Comparison

Here’s a side-by-side comparison of the key specifications for each generation of the Mercedes Benz GLS Class:

Generation Years Engine Options Fuel Economy Transmission Drivetrain Notable Features
First Gen (X166) 2013-2019 V6, V8, Diesel ~8-12 km/l 7-speed/9-speed auto AWD (4MATIC) Air suspension, CarPlay, 7 seats
Second Gen (X167) 2020-Present Inline-6, V8, Diesel ~9-13 km/l 9-speed auto AWD (4MATIC) MBUX system, E-Active Body Control, 7 seats

Generation-Based Breakdown

First Generation (X166, 2013-2019)

Pros and Cons

Pros:

  • Spacious interior with seven seats
  • Smooth ride thanks to air suspension
  • Durable build quality
  • Relatively affordable as a used luxury SUV

Cons:

  • Infotainment system feels outdated compared to newer models
  • Fuel efficiency is mediocre
  • Expensive maintenance and repairs
  • Some models lack advanced driver-assistance features

Key Features and Updates

  • Standard AWD (4MATIC) for off-road capabilities
  • Optional air suspension for a smooth ride
  • Large cargo area with foldable rear seats
  • Available with V6 and V8 engines, offering a balance of power and refinement

Engine Options and Fuel Efficiency

  • V6 petrol: ~10-12 km/l
  • V8 petrol: ~8-10 km/l
  • Diesel: ~11-13 km/l (not as common in KSA)

Known Problems and Common Issues

  • Air suspension failures are reported, especially in older models
  • Excessive oil consumption in some V8 engines
  • Infotainment system glitches
  • Manufacturer recalls for airbag issues

Recommended Year to Purchase

🔗 View Mercedes Benz GLS Class 2018 2018 Mercedes Benz GLS 450 – combines newer features with a lower price point compared to the latest models.

Overview

The first-generation GLS (previously branded as GL-Class) offers a spacious and luxurious SUV experience. While its maintenance costs may be high, its durability and off-road capabilities make it a viable choice for KSA buyers. The 2018 model is particularly appealing for those seeking a balance of affordability and modern features.


Second Generation (X167, 2020-Present)

Pros and Cons

Pros:

  • Modern MBUX infotainment system with dual screens
  • Improved fuel efficiency
  • Advanced driver-assistance systems
  • Luxurious interior with top-notch materials

Cons:

  • Higher price as a used vehicle
  • Complex systems may lead to costly repairs
  • Larger size makes it less nimble in tight spaces

Key Features and Updates

  • MBUX infotainment system with voice control and touchscreen
  • E-Active Body Control for superior ride comfort
  • Panoramic sunroof and ambient lighting
  • Enhanced safety features, including adaptive cruise control and lane-keeping assist

Engine Options and Fuel Efficiency

  • Inline-6 petrol (GLS 450): ~11-13 km/l
  • V8 petrol (GLS 580): ~9-11 km/l
  • Diesel: ~12-14 km/l (less common in KSA)

Known Problems and Common Issues

  • Early production models had minor software glitches in the MBUX system
  • E-Active Body Control system is expensive to repair if it fails
  • Limited availability of diesel options in KSA

Recommended Year to Purchase

🔗 View Mercedes Benz GLS Class 2021 2021 Mercedes Benz GLS 450 – offers improved reliability and updated features without the premium price of newer models.

Overview

The second-generation GLS Class represents a significant leap forward in technology, comfort, and efficiency. Its luxurious interior and cutting-edge features make it an excellent choice for buyers who prioritize modernity and convenience. However, its higher price point may deter budget-conscious buyers.


Conclusion

When it comes to choosing the best generation of the Mercedes Benz GLS Class as a used car in KSA, the first-generation (2018 model) is an excellent value for those seeking a reliable, spacious SUV at a lower price. For buyers who want the latest technology and luxury features, the second-generation (2021 model) is a standout option, though it comes at a premium.

Alternatives

If you're considering alternatives to the Mercedes Benz GLS Class, here are a few competitors worth exploring:

  • BMW X7: Offers a similarly luxurious cabin and sporty handling.
  • Lexus LX: Known for its durability and reliability, especially in harsh climates like KSA.
  • Audi Q7: A more affordable alternative with strong performance and advanced technology.

Tips Before Purchasing

  1. Inspect the air suspension: Common in both generations, this system can be costly if faulty.
  2. Check service history: Ensure regular maintenance has been performed, especially for oil changes in V8 engines.
  3. Test the infotainment system: Verify that the system is functioning properly, particularly in older models.
  4. Negotiate based on condition: Use any visible wear and tear or known issues to your advantage when negotiating the price.
  5. Consider certified pre-owned options: These vehicles often come with extended warranties, providing peace of mind.

By carefully weighing these factors and doing your due diligence, you can find a used Mercedes Benz GLS Class that suits your needs and budget while enjoying the luxury and performance this SUV is renowned for in the KSA market.

Also Read:

previous: Used Mercedes Benz CLA Class Buying Guide in KSANext: Used Mercedes Benz GLE Class Buying Guide in KSA
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