The service and repair manual for the 2020 Mercedes-Benz CLS450 — the 3.0L I6 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Mercedes-Benz published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2020 |
|---|---|
| Engines | 3.0L I6 — 183 cu in, DOHC, turbocharged |
| Trims | Base Sedan 4-Door · 4Matic Sedan 4-Door |
| Federal record | 1 recall · 0 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 CLS450 manual
03 / ContentsSections in the manual
- Quick Lookups 54
- Engine Performance 865
- Accessories & Equipment 7,003
- General Information 2,154
- Body & Frame 1,748
- Heating, Ventilation & A/C (HVAC) 326
- Brakes 624
- Restraints 1,188
- Collision 450
- Steering 468
- Drivelines & Axles 504
- Suspension 740
- Electrical 3,541
- Transmission 506
- Engine Mechanical 1,007
- Common Specs & Procedures - 257
04 / Known issuesRecalls on federal record for the 2020 CLS450
- Electrical System — 12v/24v/48v battery · 22V733000The inability to operate safety features (ecall system, hazard lights, electric seats, or automatic.
Owners have filed 0 complaints and Mercedes-Benz has issued 0 technical service bulletins for the 2020 CLS450. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 CLS450 manual
Is this manual specific to the 2020 CLS450?
Yes. It is the OEM manual matched to the 2020 model year, covering the 3.0L I6 across the Base Sedan 4-Door, 4Matic Sedan 4-Door trims. Specifications and procedure sequences are the ones Mercedes-Benz published for this year.
What 2020 CLS450 problems does it help with?
1 recall is on federal record for the 2020 CLS450, covering electrical system. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mercedes-Benz dealers.
Does it include 2020 CLS450 wiring diagrams?
Yes — the complete wiring diagrams for the 2020 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther CLS450 years and 2020 Mercedes-Benz models
2020 Mercedes-Benz A200 · 2020 Mercedes-Benz A220 · 2020 Mercedes-Benz A250 · 2020 Mercedes-Benz A35 AMG · 2020 Mercedes-Benz A45 AMG S · 2020 Mercedes-Benz AMG GT · 2020 Mercedes-Benz AMG GT 53 · 2020 Mercedes-Benz AMG GT 63 · 2020 Mercedes-Benz AMG GT 63 S · 2020 Mercedes-Benz AMG GT C · 2020 Mercedes-Benz AMG GT R · 2020 Mercedes-Benz AMG GT R Pro · every 2020 model