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SmartCarManuals.com

Logo of smartcarmanuals.com featuring a small car and gear symbol.

Smart cars are simple in concept—but surprisingly specialized when it comes to maintenance and repair. Good information isn’t always easy to find.


This site exists to fix that.


SmartCarManuals.com is a focused collection of manuals, guides, and technical resources covering multiple Smart generations. Everything is organized by model and built for real-world use—whether you're diagnosing a problem, working in the garage, or just trying to understand how your car works.


If you’ve ever spent too long hunting for a Smart manual online, this is meant to be the place you land next time.


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Multi-Model & General Reference

Model Series Key

Technical Reference (450 451)

Technical Reference (450 451)

450: 1st Gen Fortwo 1998–2007

451: 2nd Gen Fortwo 2007–2015

452: Smart Roadster 2003–2006

453: 3rd Gen Fortwo / 2nd Gen Forfour 2016+

454: 1st Gen Forfour 2004–2006 


C450/C451/C453: Coupé models

A450/A451/A453: Cabrio (Convertible) models

W453/W454: Forfour (4-door) models

Technical Reference (450 451)

Technical Reference (450 451)

Technical Reference (450 451)

A cross-generational guide that compares specs and service data between the original 450 and the 451 models. 977 pages

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Breakdown Supplement (450)

Technical Reference (450 451)

Breakdown Supplement (450)

A vintage guide for the first-gen City-Coupe/Fortwo covering emergency procedures, bulbs, and basic fuses. 33 pages

Download PDF

Paint Codes (450 452 454)

Accessories Guide (450 451 453)

Breakdown Supplement (450)

A Glasurit-based reference listing official color names and codes for body panels and Tridion cells. 13 pages

Download PDF

Accessories Guide (450 451 453)

Accessories Guide (450 451 453)

Accessories Guide (450 451 453)

A combined catalog of genuine Smart parts and accessories spanning multiple generations. 28 pages

Download PDF

Cosmic Cabrios

Accessories Guide (450 451 453)

Accessories Guide (450 451 453)

The most highly recommended mobile repair for your Smart convertible. UK based but travels internationally. 

Cosmic Cabrios

USA Mechanics

USA Mechanics

USA Mechanics

Model Series 451 (2007–2015)

Quick Guide (451)

ED Service Manual Intro (451 ED)

Service Manual Intro (451)

A condensed reference manual for the 451 facelift models, focusing on essential controls and daily operations. 12 pages 

Download PDF

Service Manual Intro (451)

ED Service Manual Intro (451 ED)

Service Manual Intro (451)

The technical launch guide for the US-spec 451; includes detailed engine (M132) and transmission specifications. 98 pages 

Download PDF

ED Service Manual Intro (451 ED)

ED Service Manual Intro (451 ED)

ED Service Manual Intro (451 ED)

A highly specific technical guide for the Gen 3 Electric Drive (ED), focusing on high-voltage battery and motor systems. 84 pages 

Download PDF

Workshop Service Manual (451)

Remote Start Installation Guide (451)

ED Service Manual Intro (451 ED)

A comprehensive repair manual covering mechanical, electrical, and maintenance procedures for the second-gen Fortwo. 4,602 pages

Download PDF

Remote Start Installation Guide (451)

Remote Start Installation Guide (451)

Remote Start Installation Guide (451)

 A community-sourced installation manual for adding aftermarket remote start functionality to the US 451. 15 pages 

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Secondary Air Injection Notes (451)

Remote Start Installation Guide (451)

Remote Start Installation Guide (451)

A technical bulletin regarding damage codes and diagnostics for the M132 engine's air injection system. 1 page

Download PDF

Technical Reference (450 451)

Technical Reference (450 451)

Technical Reference (450 451)

A cross-generational guide that compares specs and service data between the original 450 and the 451 models. 977 pages

Download PDF

EV Battery Facts (451 ED)

Technical Reference (450 451)

Technical Reference (450 451)

A customer-focused document explaining battery longevity, charging habits, and state-of-health monitoring for the 451 ED. 8 pages 

Download PDF

Model Series 453 (2016–2024)

Owners Manual (453)

Service Manual Intro (453)

ED Owners Manual (453)

 The complete North American operator's manual for the 2016 gasoline Fortwo, including basic operation, safety features, and dashboard symbols. 234 pages

Download PDF

ED Owners Manual (453)

Service Manual Intro (453)

ED Owners Manual (453)

The official operator's manual for the EQ/Electric Drive model, with specific sections on high-voltage charging and battery care. 218 pages

Download PDF

Service Manual Intro (453)

Service Manual Intro (453)

Service Manual Intro (453)

 A technical deep-dive for service staff covering the engine, chassis, and electronic architecture for the newest generation. 122 pages

Download PDF

Workshop Manual (453)

Smart Media (Radio) Guide (453)

Service Manual Intro (453)

A comprehensive repair manual covering mechanical, electrical, and maintenance procedures for the third-gen Fortwo. 4,180 pages

Download PDF

Smart Media (Radio) Guide (453)

Smart Media (Radio) Guide (453)

Smart Media (Radio) Guide (453)

A specialized supplement for the touchscreen infotainment, navigation, and Bluetooth connectivity systems. 77 pages

Download PDF

Standard Radio Guide (453)

Smart Media (Radio) Guide (453)

Smart Media (Radio) Guide (453)

Detailed operating instructions for the standard non-touchscreen audio system, including radio and Bluetooth pairing. 42 pages

Download PDF

Fuse Allocation Guide (453)

Fuse Allocation Guide (453)

Fuse Allocation Guide (453)

A quick-reference chart for fuse box locations and circuit assignments, essential for electrical troubleshooting. 4 pages

Download PDF

Model Series 452 (Roadster)

SAM Wiring Schematic (452)

SAM Wiring Schematic (452)

SAM Wiring Schematic (452)

Detailed electrical diagrams for the Signal Acquisition Module (the "brain") of the Roadster. 1 pages 

Download PDF

Electrical Schematic (452)

SAM Wiring Schematic (452)

SAM Wiring Schematic (452)

Detailed electrical diagrams 14 pages

Download PDF

Water Leak Guide (452)

SAM Wiring Schematic (452)

Water Leak Guide (452)

The essential "leak booklet" covering remedial measures for common water ingress points in the Roadster and Roadster-Coupe. 48 pages 

Download PDF

Additional Resources

Manuals Lib provides an assortment of Smart car reference manuals


Operation CHARM: Car Repair Manuals for Everyone (2008-2013 only)


Evilution.co.uk is a long-standing, enthusiast-run technical resource for Smart car owners, offering detailed DIY guides, repair instructions, modifications, and model-specific insights grounded in hands-on experience. Great YouTube as well.


Smart E.R. YouTube channel dedicated to practical tips, how-to guides, reviews, and maintenance insights focused on Smart cars (especially the Fortwo and Forfour models). 


Smart Car Owner Resources (MB USA)

Smart Car Service Centers (USA)

Recall Lookup by VIN (USA)

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