2013 Mercedes-Benz GL450 Service and Repair Manual

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Covers all 2013 GL450 trims — Base Sport Utility 4-Door, 4Matic Sport Utility 4-Door ·
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2013 Mercedes-Benz GL450 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

Engines covered

  • 4.7L 4663CC 285Cu. In. V8 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
No active recalls The 2013 Mercedes-Benz GL450 has no recalls on file with NHTSA.
TSB #11033185

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

TSB #11033016

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

TSB #11032599

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

TSB #11031736

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 exhaust valve assembly on your vehicle as f

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

TSB #11031590

This NCU replaces the prior NCU issued on March 10, 2023, and contains clarification on reimbursement timeline and removal of damage codes related to intake valves/guide. In our continuing efforts to assure the proper performance of Mercede

TSB #11031580

Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compe

TSB #11029959

Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compen

Showing the 8 most recent of 69 technical service bulletins on file with NHTSA.

20160517Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNED A 2013 MERCEDES-BENZ GL450. WHILE DRIVING APPROXIMATELY 5 MPH IN A PARKING LOT, THE VEHICLE ACCELERATED OUT OF CONTROL AND CRASHED INTO A GUARDRAIL. THE AIR BAGS DID NOT DEPLOY;

20190524Component: SUSPENSIONFire reported

TL* THE CONTACT OWNS A 2013 MERCEDES BENZ GL450. THE CONTACT STATED THAT WHILE OPERATING THE VEHICLE, THE REAR SECTION WOULD BOUNCE UP AND DOWN VIOLENTLY DUE TO A FAULTY REAR AIR SUSPENSION. IN ADDITI

20210802Component: UNKNOWN OR OTHER1 injured

AS YOU STATED ABOVE THE AIR CONDITIONING IS NOT A REASON A DRIVER WOULD LOOSE CONTROL UNLESS YOU HAVE A MERCADES THAT IS LEAKING GAS AND MY KIDS AND PASSANGERS ARE SICK AND PASSING OUT AND SO AM I. T

20260521Component: UNKNOWN OR OTHER

I bought the vehicle with 104k miles. When hooked to a computer it shows 177k. The odometer was tampered with

20260313Component: ENGINE

I was driving along in my 2013 MB GL450 with the M278 engine when the engine stopped. I had it towed to my home and checked it out. I had a suspicion the engine was seized. I eventually had to towe

Showing the 5 most serious of 51 complaints filed with NHTSA.

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