Generation Hub

Mercedes-Benz GL / GLS 2020-Present

2020–2026
Overview

The Mercedes-Benz GL/GLS-Class, from 2020 onward, continues to define the pinnacle of full-size luxury SUVs, seamlessly blending opulence, performance, and advanced technology in a commanding package. This generation showcases a refined and imposing exterior design, characterized by bold proportions, sleek lines, and the distinctive Mercedes-Benz front grille. The GL/GLS-Class exudes an air of prestige and sophistication, catering to those who demand both elegance and versatility from their SUV. Inside, the cabin offers a lavish and technologically advanced environment, featuring premium materials, impeccable craftsmanship, and an unwavering focus on comfort. The interior design combines luxury with practicality, incorporating cutting-edge infotainment systems and spacious, sumptuous seating for an unparalleled driving experience.

Regarding performance, the GL/GLS-Class aims to deliver a commanding and dynamic ride. It offers a range of potent engines, including high-performance AMG variants, catering to drivers who desire robust acceleration and a composed on-road presence. The suspension and chassis are meticulously engineered to provide a smooth and stable ride, whether navigating city streets or tackling challenging terrain. Safety features remain comprehensive, with advanced driver assistance systems, anti-lock brakes, stability control, and a comprehensive set of airbags contributing to its outstanding safety record.

Specifications

Mercedes-Benz GL/GLS-Class specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Chassis

  • Type: X167

Engine 4.7L 8-Cylinder DOHC

  • Recommended Oil viscosity: 0W-40 or 5W-40
  • Recommended Engine Oil: 
    • GLS 450 4MATIC: 229.51, 229.52, 229.61 229.71*
    • GLS 580 4MATIC: 229.52, 229.61
    • Mercedes-Maybach GLS 600 4MATIC: 229.5
  • Oil capacity:
    • GLS 450 4MATIC: 20.0 US qt (18.9 liters)
    • GLS 580 4MATIC:16.6 US qt (15.7 liters)

Brake Fluid

  • Type: Only use brake fluid approved for Mercedes-Benz according to MB-Freigabe or MB-Approval 331.0.

Fuel

  • Capacity: 23.8 gal (90.0 liters)

Coolant

  • Type: MB 326.0 corrosion inhibitor/antifreeze agent
  • Capacity: 
    • Mercedes‑AMG vehicles: Approx. 11.9 US qt (11.3 l)
    • GLS 550 4MATIC: Approx. 12.0 US qt (11.4 l)
    • All other models: Approx. 10.3 US qt (9.7 l)

Refrigerant

  • Capacity: 23.9 ± 0.4 oz (680 ± 10 g

PAG oil

  • Capacity: 23.9 ± 0.4 oz (680 ± 10 g

Washer Fluid

  • Type: Only use windshield washer fluid which is also suitable for use on plastic surfa‐ ces, e.g., MB SummerFit or MB Winter‐ Fit.

Powertrain

Engine

  •  3.0 L M 256 E30 DEH LA G R I6 Mild Hybrid twin-turbo (petrol-hybrid)
  • 4.0 L M177 V8 Mild Hybrid twin-turbo (petrol-hybrid)
  • 2.9 L OM 656 D 29 R SCR I6 Mild Hybrid twin-turbo (diesel-hybrid)

Transmission

  • 9-speed 9G-Tronic automatic

Fuel Consumption

MERCEDES-BENZ GLS CLASS FUEL CONSUMPTION

Warning Lights & Bulb Sizes

Front Lights

  • Daytime Running Light Bulb: LED
  • Front Sidemarker Light Bulb: LED
  • Front Turn Signal Light Bulb: LED
  • High Beam Headlight Bulb: LED
  • Low Beam Headlight Bulb: LED
  • Stepwell Light Bulb: 2825

 

Rear Lights

  • Back-Up Light Bulb: LED
  • Brake Light Bulb: LED
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: LED
  • Parking Light Bulb: LED
  • Rear Sidemarker Light Bulb: LED
  • Rear Turn Signal Light Bulb: LED
  • Tail Light Bulb: LED

Interior Lights

  • Dome Light Bulb: LED
  • Glove Box Light Bulb: 2825
  • Interior Door Light Bulb: LED
  • Luggage Compartment Light Bulb: 2825
  • Map Light Bulb: LED
  • Vanity Mirror Light Bulb: 2825
Owner Reviews Members

Member reviews

Sign in to read and submit owner reviews, star ratings, and real-world pros & cons for this generation.

Recalls NHTSA
Make
Mercedes-Benz
Model
GL / GLS

Find on your dashboard, door jamb sticker, or registration

Searching...