Generation Hub
Mercedes-Benz GLA-Class 2014-2020
Overview
The Mercedes-Benz GLA-Class, produced from 2014 to 2020, represented the brand's foray into the compact luxury SUV market, offering a winning combination of style, performance, and advanced technology. This generation featured a sleek and contemporary exterior design, characterized by its compact dimensions, sculpted lines, and the iconic Mercedes-Benz front grille. The GLA-Class exuded an air of modernity and sophistication, appealing to buyers who sought a more compact yet upscale SUV. Inside, the cabin offered an inviting and technologically advanced environment, featuring high-quality materials, meticulous craftsmanship, and a strong emphasis on comfort. The interior design balanced luxury with practicality, integrating advanced infotainment systems and comfortable seating to create a refined driving experience.
Regarding performance, the GLA-Class aimed to provide a spirited and agile ride. It offered a range of engines, including turbocharged options, catering to drivers who desired both efficiency and a dynamic on-road demeanor. The suspension and chassis were expertly tuned to deliver responsive handling and a comfortable ride, reflecting Mercedes-Benz's commitment to providing a well-rounded driving experience.
Specifications
Mercedes-Benz GLA-Class specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.
Chassis
- Type: X156
Engine 2.0L 4-Cylinder DOHC
- Recommended Oil viscosity: 0W-4 or 5W-40
- Recommended Engine Oil: 229.5
- Oil capacity: 5.9 qt
Brake Fluid
- Type: Only use brake fluid approved for Mercedes-Benz according to MB-Freigabe or MB-Approval 331.0.
Fuel
- Capacity:
- Models with 4MATIC: 14.8 US gal (56.0 l)
- All other models: 13.2 US gal (50.0 l)
Coolant
- Type: MB 326.0 corrosion inhibitor/antifreeze agent
- Capacity:
- Mercedes‑AMG vehicles: Approx. 12.6 US qt (11.9 l)
- All other models: Approx. 8.2 US qt (7.8 l)
Refrigerant
- Capacity: 22.9 ± 0.4 oz (650 ± 10 g)
PAG oil
- Capacity: 4.2 oz (120 g)
Washer Fluid
- Type: Only use windshield washer fluid suitable for use on plastic surfaces, e.g., MB SummerFit or MB Winter-Fit.
Powertrain
Engine
- 1.6 Litre I4 (petrol)
- 2.0 Litre I4 (petrol)
- 1.5 Litre I4 (diesel)
- 2.1 Litre I4 (diesel)
Transmission
- 6-speed manual
- 7-speed DCT automatic
Fuel Consumption

Warning Lights & Bulb Sizes
Front Lights
- Daytime Running Light Bulb:
- H15
- LED
- Front Fog Light Bulb: H11-55W
- Front Sidemarker Light Bulb: LED
- Front Turn Signal Light Bulb:
- 3457AK
- LED
- High Beam and Low Beam Headlight Bulb: LED
- High Beam Headlight Bulb: H15
- Low Beam Headlight Bulb: H7-55W
- Stepwell Light Bulb: 2825
Rear Lights
- Back Up Light Bulb: 921
- Brake Light Bulb:
- 921
- LED
- Center High Mount Stop Light Bulb: LED
- License Plate Light Bulb: LED
- Parking Light Bulb:
- 3457AK
- LED
- Rear Sidemarker Light Bulb: LED
- Rear Turn Signal Light Bulb:
- 12496
- LED
- Tail Light Bulb: LED
Interior Lights
- Dome Light Bulb: 6411
- Luggage Compartment Light Bulb: 2825
- Rear Reading Light Bulb: 2825
- Vanity Mirror Light Bulb: 2825
Repair & Diagnostic Guides 8

2014-2020 Mercedes-Benz GLA-Class Oil Service Reminder Reset
Jan 21, 2022

Replace Front Turn Signal Light Bulb Mercedes-Benz GLA-Class 2014-2019
Dec 2, 2021

Replace Daytime Running Light & High Beam Bulb Mercedes-Benz GLA250 2014-2019 X156
Dec 2, 2021

Diagnose Warning Lights Mercedes-Benz GLA-Class X156 2014-2019
Dec 2, 2021

Replace License Plate Bulb Mercedes-Benz GLA-Class X156 2014-2019
Dec 2, 2021

Replace Map Lamp Dome Light Sunroof Mercedes-Benz GLA250 X156
Dec 2, 2021

Dome Roof Light Mercedes-Benz 2014-2019 GLA-Class X156
Dec 2, 2021

Replace Back Up Fog Light Bulb Mercedes-Benz 2014–2020 X156
Dec 2, 2021
Owner Reviews Members
Member reviews
Sign in to read and submit owner reviews, star ratings, and real-world pros & cons for this generation.
