2018 Mercedes-Benz E400 Service and Repair Manual

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Factory-Grade Data

2018 Mercedes-Benz E400 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

  • 4Matic Wagon 4-Door
  • 4Matic Sport Sedan 4-Door
  • 4Matic Convertible 2-Door
  • 4Matic Sedan 4-Door
  • 4Matic Exclusive Sedan 4-Door
  • Base Convertible 2-Door
  • Base Coupe 2-Door
  • 4Matic Coupe 2-Door

Engines covered

  • 3.0L 2996CC V6 GAS DOHC Turbocharged
  • 3.5L 3498CC V6 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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Vehicle Safety Data

2018 Mercedes-Benz E400 Recalls & Complaints

NHTSA #20V44900031/07/2020Component: ELECTRICAL SYSTEM:SOFTWARE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previ

Consequence

Without the audible tone and blinking warning light to remind the front seat occupants that their se

Remedy

MBUSA will notify owners, and dealers will update the instrument cluster software, free of charge.

NHTSA #19V67600023/09/2019Component: STRUCTURE:BODY

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 E450 4MATIC Wagon, 2017-2018 E400 4MATIC Wagon, and 2018-2019 E63S 4MATIC Wagon vehicles. The rear spoiler may detach.

Consequence

If the spoiler detaches while driving, it can become a road hazard, increasing the risk of a crash.

Remedy

MBUSA will notify owners, and dealers will inspect and correct the mounting of the spoiler, as neces

NHTSA #18V51500003/08/2018Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz E300, E300 4Matic, E43 AMG 4Matic, E400 4Matic, E63S AMG 4Matic+, and 2019 CLS450 4Matic vehicles. The Occupant Classification S

Consequence

If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a

Remedy

MBUSA will notify owners, and dealers will replace the front passenger seat cushion, free of charge.

NHTSA #18V51300003/08/2018Component: CHILD SEAT:LATCH STRAP

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz E400 Cabrio and E400 4Matic Cabrio vehicles. The child seat anchoring system (ISOFIX) in these vehicles may not have been proper

Consequence

If the ISOFIX console partially detaches in a crash, it can increase the risk of injury for a child

Remedy

MBUSA will notify owners, and dealers will inspect the ISOFIX console, and replace it if necessary,

No service bulletins No technical service bulletins on file with NHTSA for the 2018 Mercedes-Benz E400.
No complaints filed No consumer complaints on file with NHTSA for the 2018 Mercedes-Benz E400.
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