2014 Mercedes-Benz E350 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
- Base Sedan 4-Door
- 4Matic Sedan 4-Door
- Base Convertible 2-Door
- Base Coupe 2-Door
- 4Matic Coupe 2-Door
Engines covered
- 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated
- 3.5L 3498CC 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
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2014 E350 and E350 4Matic sedans manufactured June 4, 2014, to July 9, 2014. The affected vehicles were built with a fuel feed line tha
If the fuel feed line has the incorrect flare fitting, the connection between the fuel hose and the
MBUSA will notify owners, and dealers will install the correct fuel line, free of charge. This reca
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 SL550, 2013-2014 SL63 AMG, 2014-2016 E350, 2014 E350 Cabriolet, E350 Coupe, 2014-2015 S550, 2015 E350 Bluetec, 2015-2016 E400,
If the control unit pins lose connection, there would be a loss of electric power steering assist, i
MBUSA will notify owners, and dealers will replace the electric power steering control unit, free of
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 2015-2016 E400 Coupe, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2011-2014 E350 Coupe, and 2012-2014 E350 Cabrio vehicles. An incorrect front
An incorrect air bag may not function properly in a crash, increasing the risk of injury.
Dealers will replace the front passenger air bag on the affected vehicles, free of charge. Owner n
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
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
Complaint Potential corrosion on the rear axle carrier Cause Due to market-specific conditions such as moisture, ingress of dirt and/or environmental influences, corrosion can occur on the rear axle carrier Remedy In the event of a complain
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
Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty period shall be the greater of: (i) 10 years from the date of in
To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to allegations that the Burl Wal
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
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
Showing the 8 most recent of 121 technical service bulletins on file with NHTSA.
There have been three events, all the same. Each time a speaker in a door, while driving, has began to squeal, sputter and the smoke. The first occurred while sitting inside a car wash, with the win
UNKNOWN
On 11/24/23 Mercedes Benz had replaced my subframe which was part of a safety recall. When I arrived home after picking up my vehicle, there was a loud bang from under the vehicle. I immediately calle
On 11/24/23 Mercedes Benz had replaced my subframe which was part of a safety recall. When I arrived home after picking up my vehicle, there was a loud bang from under the vehicle. I immediately calle
On 11/24/23 Mercedes Benz had replaced my subframe which was part of a safety recall. When I arrived home after picking up my vehicle, there was a loud bang from under the vehicle. I immediately calle
Showing the 5 most serious of 368 complaints filed with NHTSA.
