2016 Mercedes-Benz GLC300 Service and Repair Manual
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
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
If the starting current limiter overheats, the surrounding components can melt, increasing the risk
MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the
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
The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detac
Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following th
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
A damaged ESP control unit may inadvertently activate the stability control altering the vehicle's p
MBUSA will notify owners, and dealers will replace the ESP Hydraulic control units, free of charge.
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
A detached roof panel can become a road hazard, increasing the risk of a crash.
Dealers will replace the front panel, free of charge. Owner notification letters were mailed on Aug
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
If the air bags do not deploy as intended in the event of a crash, there would be an increased risk
MBUSA will notify owners, and dealers will update software in the affected control units, free of ch
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
An unexpected air bag deployment or engine stall increases the risk of a crash.
MBUSA will notify owners, and dealers will inspect the wiring harnesses, properly rerouting them as
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
Failure of the eCall system may result in emergency responders being dispatched to the wrong locatio
MBUSA will notify owners, and the communication module software will be updated by a dealer, or thro
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
An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers
Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 11, 20
Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market vehicles. Cause Before deactivating the HERMES control unit (N112
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement
The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 4, 2026. After June 4th, returns of th
Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file
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
Showing the 8 most recent of 157 technical service bulletins on file with NHTSA.
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
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
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
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
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.
