Mercedes-Benz GLC300 vs Mercedes-Benz GLB-Class

What's the difference?

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Mercedes-Benz GLC300
Mercedes-Benz GLC300

$69,499 - $101,999

2024 price

Mercedes-Benz GLB-Class
Mercedes-Benz GLB-Class

$65,400 - $106,228

2026 price

Summary

2024 Mercedes-Benz GLC300
2026 Mercedes-Benz GLB-Class
Safety Rating

Engine Type
Turbo 4, 2.0L

Turbo 4, 1.3L
Fuel Type
Premium Unleaded Petrol

Premium Unleaded Petrol
Fuel Efficiency
7.7L/100km (combined)

7.5L/100km (combined)
Seating
5

7
Dislikes
  • Sloping roofline reduces access to second row
  • Smaller boot than regular SUV version
  • Limited visibility through small rear window

  • More power would be nice
  • Expensive to service
  • Looking dated
2024 Mercedes-Benz GLC300 Summary

Just seeing a coupe SUV in the traffic makes some people very cranky, but others love the sight of them and it’s these fans that Mercedes-Benz is hoping to woo with its new GLC300 Coupe.

This new-generation GLC Coupe arrives six months after the regular SUV version of the GLC landed in Australia and goes head-to-head with the BMW X4 and Audi’s Q5 Sportback.

The coupe style with the ‘cut-down’ roofline which slopes towards a low tailgate means practicality is compromised and if you’re thinking of putting one in your family’s driveway then it might be an idea to read how this writer’s family coped with the GLC300 Coupe for a few days.

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2026 Mercedes-Benz GLB-Class Summary

A new-generation Mercedes-Benz GLB is just around the corner, so the current model is now on its farewell tour.

When it launched in 2019 it stood out from the crowd as a premium small-to-medium SUV with the flexibility of seven seats. Even now no other premium carmaker offers a car that’s a direct rival to this. You need to look at mainstream options instead that are slightly larger.

A mid-life update that arrived in 2023 brought some minor tweaks including different exterior and interior styling, along with mild-hybrid power for certain variants.

On test here is the entry-level GLB200 which didn’t receive mild-hybrid assistance. Read along to find out whether it’s the pick of the line-up.

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Deep dive comparison

2024 Mercedes-Benz GLC300 2026 Mercedes-Benz GLB-Class

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