The service and repair manual for the 2018 Mercedes-Benz S450 — the 3.0L V6 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 | 2018 |
|---|---|
| Engines | 3.0L V6 — 183 cu in, DOHC, turbocharged |
| Trims | Base Sedan 4-Door · 4Matic Sedan 4-Door |
| Federal record | 3 recalls · 0 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 S450 manual
03 / ContentsSections in the manual
- Quick Lookups 57
- General Information 2,442
- Accessories & Equipment 9,216
- Heating, Ventilation & A/C (HVAC) 544
- Body & Frame 2,122
- Hybrid/Electric Powertrain 443
- Brakes 784
- Maintenance 91
- Collision 506
- Restraints 1,396
- Drivelines & Axles 479
- Steering 558
- Electrical 4,561
- Suspension 949
- Engine Mechanical 2,010
- Transmission 689
- Engine Performance 1,906
- Common Specs & Procedures - 222
04 / Known issuesRecalls on federal record for the 2018 S450
- Service Brakes, Hydraulic — foundation components › disc › pads · 19V915000The incorrect size brake components may lead to the wrong replacement components fitted to the vehic.
- Steering — electric power assist system · 18V908000If the system remains active despite the driver not having their hands on the wheel, the driver's in.
- Lane Departure — lane keep › automatic steering · 18V910000If the system remains active despite the driver not having their hands on the wheel, the driver's in.
Owners have filed 0 complaints and Mercedes-Benz has issued 0 technical service bulletins for the 2018 S450. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 S450 manual
Is this manual specific to the 2018 S450?
Yes. It is the OEM manual matched to the 2018 model year, covering the 3.0L V6 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 2018 S450 problems does it help with?
3 recalls are on federal record for the 2018 S450, covering service brakes, hydraulic, steering, lane departure. 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 2018 S450 wiring diagrams?
Yes — the complete wiring diagrams for the 2018 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 S450 years and 2018 Mercedes-Benz models
2020 S450 · 2019 S450 · all 7 years
2018 Mercedes-Benz A200 · 2018 Mercedes-Benz A250 · 2018 Mercedes-Benz A45 AMG · 2018 Mercedes-Benz AMG GT · 2018 Mercedes-Benz AMG GT C · 2018 Mercedes-Benz AMG GT R · 2018 Mercedes-Benz AMG GT S · 2018 Mercedes-Benz Alliado · 2018 Mercedes-Benz B250 · 2018 Mercedes-Benz Boxer 40 · 2018 Mercedes-Benz Boxer 50 · 2018 Mercedes-Benz Boxer 60 · every 2018 model