2015 Mercedes-Benz GLK300 Service and Repair Manual

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2015 Mercedes-Benz GLK300 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

  • Sport Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • 3.5L 3498CC 213Cu. In. V6 GAS DOHC Naturally Aspirated

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
NHTSA #19V78700001/11/2019Component: COMMUNICATION

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date an

Consequence

An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Remedy

MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers

No service bulletins No technical service bulletins on file with NHTSA for the 2015 Mercedes-Benz GLK300.
20251206Component: STEERING

The steering adjustment moves in and out but will not move up or down. You can hear a clicking noise like it’s trying to move but nothing happens to the steering column.

20250204Component: ENGINE

The DEF exhaust system has failed. It was replaced before under a recall. The warranty was previously extended on the system but I am outside of the mileage window but inside of the time window. I hav

20211210Component: FUEL/PROPULSION SYSTEM

2020050005-Modificationto emission control system cause:F Was informed of the Mercedes-Benz Recall for 2015 250 GLK BlueTec which I took to Dothan, AL Mercedes-Benz Dealership to have done for my safe

20210906Component: ELECTRICAL SYSTEM

The driver's side seat failed. Due to a seat electrical harness failure the seat became stuck and neither the seat seatback or headrest could be moved. I could comfortably still reach steering wheel a

20210706Component: ELECTRICAL SYSTEM

When driving, the steering wheel locks and I can no longer steer the vehicle, it locks in a way that I cannot move the steering wheel at all, which may cause me to crash if I am at a dead end road and

20170702Component: SERVICE BRAKESCrash reportedFire reported1 injured

ON JUNE 16,2017, WHILE I WAS DRIVING ON FREEWAY, I TRIED TO SLOWED DOWN BUT IT TURNED OUT TO ACCELERATE SUDDENLY AT AROUND 85MPH, THE STEERING SYSTEM WAS MESSED UP AND I LOST CONTROL OF MY CAR , TH

20170702Component: VEHICLE SPEED CONTROLCrash reportedFire reported1 injured

ON JUNE 16,2017, WHILE I WAS DRIVING ON FREEWAY, I TRIED TO SLOWED DOWN BUT IT TURNED OUT TO ACCELERATE SUDDENLY AT AROUND 85MPH, THE STEERING SYSTEM WAS MESSED UP AND I LOST CONTROL OF MY CAR , TH

20170702Component: STEERINGCrash reportedFire reported1 injured

ON JUNE 16,2017, WHILE I WAS DRIVING ON FREEWAY, I TRIED TO SLOWED DOWN BUT IT TURNED OUT TO ACCELERATE SUDDENLY AT AROUND 85MPH, THE STEERING SYSTEM WAS MESSED UP AND I LOST CONTROL OF MY CAR , TH

20170701Component: SERVICE BRAKESCrash reportedFire reported1 injured

MY MB GLK 35 CRASHED AT A HIGH SPEED AROUND 80 MPH,IT BURNT TO GROUND . I WOULD HAVE BEEN BURNT ALIVE WITHOUT PEOPLE USING A BIG ROCK TO BREAK THE WINDOW AND PULLING ME OUT . DUE TO THE STEERING AND E

20170701Component: ELECTRONIC STABILITY CONTROL (ESC)Crash reportedFire reported1 injured

MY MB GLK 35 CRASHED AT A HIGH SPEED AROUND 80 MPH,IT BURNT TO GROUND . I WOULD HAVE BEEN BURNT ALIVE WITHOUT PEOPLE USING A BIG ROCK TO BREAK THE WINDOW AND PULLING ME OUT . DUE TO THE STEERING AND E

Showing the 10 most serious of 135 complaints filed with NHTSA.

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