Mercedes-Benz CLS350d 4Matic C257 2018-2020 workshop manual covering 3.0L OM656 inline-6 turbo diesel engine with repair procedures and wiring diagrams dealer software download

Mercedes CLS 350d 4Matic Workshop Service Repair Manual 2018-2020 Download

Mercedes CLS 350d 4Matic Workshop Manual Download

Years Covered: 2018, 2019, 2020

Languages Available: English, German

Compatibility: Windows — see included guide for supported versions

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Mercedes CLS 350d 4Matic Workshop Manual Download

Mercedes CLS 350d 4Matic workshop manual download 2018-2020 includes detailed illustrations and step-by-step instructions of Repair, service, wiring diagrams etc. Contains all information required for professional level Repair & Maintenance of Mercedes CLS 350d 4Matic.

As used by Mercedes Main Dealer Garages.

Covers Models: CLS Class CLS 350d 4Matic

Engine: All engine variants.

Transmission: All Transmission Variants

Years Covered: 2018, 2019, 2020

Left and right hand drive

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Frequently Asked Questions

What Mercedes models are covered?

This comprehensive workshop manual covers the Mercedes-Benz CLS 350d 4Matic produced between 2018 and 2020. Specifically, it includes the third-generation CLS-Class designated as the C257 chassis code. The manual provides complete coverage for all CLS 350d 4Matic variants manufactured during this production period, including both standard and AMG Line trim levels. Whether you own a 2018, 2019, or 2020 model year vehicle, this service manual contains all the technical specifications and repair procedures specific to your Mercedes-Benz CLS luxury four-door coupe.

What engines/transmissions are covered?

This workshop manual provides complete coverage for the OM656 3.0-liter inline-six cylinder diesel engine found in the CLS 350d 4Matic. This turbocharged powerplant produces approximately 286 horsepower and 600 Nm of torque. The manual includes detailed specifications, service procedures, and repair instructions for all engine components including the fuel injection system, turbocharger, and emissions equipment. Transmission coverage includes the 9G-TRONIC nine-speed automatic transmission paired with the 4Matic all-wheel-drive system, featuring complete service procedures, fluid specifications, and diagnostic information.

Does this include wiring diagrams?

Yes, this Mercedes CLS 350d 4Matic workshop manual includes comprehensive electrical wiring diagrams and circuit schematics. You will find detailed diagrams covering the engine management system, transmission controls, 4Matic AWD system, lighting circuits, infotainment system, COMAND navigation, climate control, power windows, central locking, airbag systems, and advanced driver assistance features. Each wiring diagram includes connector locations, pin assignments, wire colors, and component locations to help you accurately diagnose and repair any electrical issues on your vehicle.

What format is this Workshop Manual provided in?

This is professional OEM Mercedes dealer software, the same diagnostic and repair system used by authorized Mercedes-Benz dealerships worldwide. Unlike static documents, this interactive software features searchable databases, component locators, step-by-step guided diagnostics, and dynamic wiring diagram navigation. The software provides dealer-level functionality including parts cross-referencing, labour time estimates, and technical service bulletin integration. This professional-grade tool delivers an experience far superior to traditional workshop manuals.

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