2016 Mercedes-Benz GLC300 Service and Repair Manual

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Factory-Grade Data

2016 Mercedes-Benz GLC300 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
  • 4Matic Sport Utility Coupe 4-Door
  • 4Matic Sport Utility 4-Door

Engines covered

  • 2.0L 1991CC l4 GAS 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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Payment methods

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  • Union Pay
  • Visa

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Vehicle Safety Data

2016 Mercedes-Benz GLC300 Recalls & Complaints

NHTSA #17V11400023/02/2017Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E30

Consequence

If the starting current limiter overheats, the surrounding components can melt, increasing the risk

Remedy

MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the

NHTSA #21V19700019/03/2021Component: STRUCTURE:BODY:ROOF AND PILLARS

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016

Consequence

The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detac

Remedy

Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following th

NHTSA #16V60300016/08/2016Component: ELECTRONIC STABILITY CONTROL (ESC)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 GLC 300 SUV, GLC 300 4Matic SUV, C300 Sedan and C300 4Matic vehicles manufactured February 8, 2016, to May 18, 2016. The affected v

Consequence

A damaged ESP control unit may inadvertently activate the stability control altering the vehicle's p

Remedy

MBUSA will notify owners, and dealers will replace the ESP Hydraulic control units, free of charge.

NHTSA #23V85400015/12/2023Component: STRUCTURE:BODY:ROOF AND PILLARS

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof pa

Consequence

A detached roof panel can become a road hazard, increasing the risk of a crash.

Remedy

Dealers will replace the front panel, free of charge. Owner notification letters were mailed on Aug

NHTSA #17V17700014/03/2017Component: ELECTRICAL SYSTEM:SOFTWARE

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Ma

Consequence

If the air bags do not deploy as intended in the event of a crash, there would be an increased risk

Remedy

MBUSA will notify owners, and dealers will update software in the affected control units, free of ch

NHTSA #16V14600010/03/2016Component: ELECTRICAL SYSTEM:WIRING

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 GLC 300 vehicles manufactured June 16, 2015, to November 3, 2015, and 2016 GLC 300 4Matic vehicles manufactured July 16, 2015, to No

Consequence

An unexpected air bag deployment or engine stall increases the risk of a crash.

Remedy

MBUSA will notify owners, and dealers will inspect the wiring harnesses, properly rerouting them as

NHTSA #21V05800005/02/2021Component: ELECTRICAL SYSTEM:SOFTWARE

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-C

Consequence

Failure of the eCall system may result in emergency responders being dispatched to the wrong locatio

Remedy

MBUSA will notify owners, and the communication module software will be updated by a dealer, or thro

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

TSB #11031806

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (MBUSA) is extending the coverage for the intake line assembly on your vehicle from the

TSB #11031731

Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) hereby notifies you of additional benefits regar

TSB #11031730

Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) hereby notifies you of additional benefits regar

TSB #11031729

The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you regarding your vehicle ownership. Whats Included In our continuing efforts to assure the proper performance of Mercedes-Benz products

TSB #11031728

Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) hereby notifies you of additional benefits regar

TSB #11031727

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) hereby notifies you of additional benefits regarding your vehicle. Mercede

TSB #11031616

Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that on the various Model Year (MY) 2014 - 2018 Mercedes-Benz vehicles listed below, the engine control unit (ECU) software may not meet current specifications. In

TSB #11031594

This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. To enhance the satisfaction of our customers, avo

Showing the 8 most recent of 170 technical service bulletins on file with NHTSA.

20220223Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported1 injured

The contact owns a 2016 Mercedes-Benz GLC300W. The contact stated while driving at 65 mph the vehicle went through a sudden acceleration and then slowed down to about 65 mph. The contact stated no war

20200102Component: AIR BAGSCrash reported1 injured

VEHICLE WAS GOING ON THE LEFT MOST LANE OF THE I580 EASTBOUND AT ADAPTIVE CRUISE AT 65MPH. BOTH STEERING AND SPEED WAS UNDER CONTROL BY THE THE ADAPTIV E CRUISE FEATURE. I WAS HAVING MY HAND ON THE ST

20200102Component: STRUCTURE:BODYCrash reported1 injured

VEHICLE WAS GOING ON THE LEFT MOST LANE OF THE I580 EASTBOUND AT ADAPTIVE CRUISE AT 65MPH. BOTH STEERING AND SPEED WAS UNDER CONTROL BY THE THE ADAPTIV E CRUISE FEATURE. I WAS HAVING MY HAND ON THE ST

20200102Component: ENGINECrash reported1 injured

VEHICLE WAS GOING ON THE LEFT MOST LANE OF THE I580 EASTBOUND AT ADAPTIVE CRUISE AT 65MPH. BOTH STEERING AND SPEED WAS UNDER CONTROL BY THE THE ADAPTIV E CRUISE FEATURE. I WAS HAVING MY HAND ON THE ST

20190508Component: SEAT BELTSCrash reported1 injured

WITH THE INTRODUCTION OF SELF DRIVING FEATURES NEW PASSERNGER SAFTEY REGULATIONS ARE NEEDED. MY CAR , AN ADDED FEATURE, IS DISTRONIC SAFETY SYSTEM, SELF DRIVE MODE. WHEN THE CAR IS AT ACOMPLETE STOP

Showing the 5 most serious of 169 complaints filed with NHTSA.

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