2018 Mercedes-Benz GLA250 Service and Repair Manual

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Factory-Grade Data

2018 Mercedes-Benz GLA250 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Sport Utility 4-Door
  • 4Matic Sport Utility 4-Door
  • CGI Sport Sport Utility 4-Door

Engines covered

  • 2.0L 1991CC l4 GAS DOHC Turbocharged
  • 2.0L 1991CC l4 FLEX DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2018 Mercedes-Benz GLA250 Recalls & Complaints

NHTSA #18V91200019/12/2018Component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

Mercedes-Benz USA, LLC (Mercedes) is recalling certain 2018-2019 GLA250 and GLA250 4MATIC vehicles. The sunroof bonding may allow water to leak into the vehicle.

Consequence

Water leaking into the vehicle from around the sunroof may affect the electrical contacts of the win

Remedy

Mercedes has notified owners, and dealers will inspect the bonding of the panorama sliding sunroof a

NHTSA #19V58500012/08/2019Component: SEAT BELTS:REAR/OTHER

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 GLA250 and GLA250 4MATIC vehicles. The left anchor plate of the rear middle seatbelt may be loose.

Consequence

The seatbelt for a passenger seated in the rear middle seating position might not be properly secure

Remedy

MBUSA will notify owners, and dealers will inspect the left anchor plate of the rear middle seatbelt

NHTSA #21V22900001/04/2021Component: STEERING

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 B250e, CLA250, 2017-2018 AMG CLA45, GLA250, and AMG GLA45 vehicles. The steering shaft bore hole for the universal joint bearing may allow exc

Consequence

A separated universal joint bearing can cause a loss of steering control and increase the risk of a

Remedy

MBUSA will notify owners, and dealers will inspect, and as necessary, replace the steering shaft, fr

No service bulletins No technical service bulletins on file with NHTSA for the 2018 Mercedes-Benz GLA250.
No complaints filed No consumer complaints on file with NHTSA for the 2018 Mercedes-Benz GLA250.
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