2019 Mercedes-Benz CLS450 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 Sedan 4-Door
- 4Matic Sedan 4-Door
Engines covered
- 3.0L 2999CC l6 MILD HYBRID EV-GAS (MHEV) 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 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
Without the audible tone and blinking warning light to remind the front seat occupants that their se
MBUSA will notify owners, and dealers will update the instrument cluster software, free of charge.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 CLS450 Coupe and AMG E53, 2019-2021 AMG CLS53 Coupe, and 2021-2022 E450 vehicles. The 12-Volt battery in the trunk may not be properly se
The inability to operate safety features (eCall system, hazard lights, electric seats, or automatic
Dealers will secure the 12V battery, free of charge. Owner notification letters were mailed January
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 CLS450, CLS450 4MATIC, and CLS53 AMG vehicles. The horizontal adjustment screw may not be effectively sealed, allowing the headlights to be im
If the headlights are not properly adjusted, the driver may have reduced visibility, increasing the
MBUSA has notified owners, and dealers will inspect the horizontal headlight adjustment screws, seal
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 CLS 450 Coupe and CLS 450 Coupe 4MATIC vehicles equipped with 6-cylinder gasoline engines. The electrical line that supplies power to the eng
A malfunctioning engine coolant pump can increase coolant temperatures, possibly leading to an engin
MBUSA will notify owners, and dealers will inspect the coolant pump electrical line for damage, repa
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
If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a
MBUSA will notify owners, and dealers will replace the front passenger seat cushion, free of charge.
