Target Audience:
Smart fortwo 451 owners, DIY enthusiasts, mechanics, and after-sales staff.
Value Proposition:
Provides the same level of detail as professional workshop manuals, enabling cost savings on repairs and maintenance.
Illustrations:
Detailed blown-up illustrations and diagrams for clarity in repair and assembly processes.
Parts Information:
Includes detailed parts lists, useful for ordering correct replacement components.
Accessibility:
Instant download, accessible across multiple devices, and printable.
Engine System:
Detailed information on engine components, fuel system, ignition system, cooling system, lubrication system, and emissions control.
Transmission System:
Coverage of the automated manual transmission (AMT), including operation, diagnosis, and repair procedures.
Chassis System:
Includes steering, suspension (front and rear), and braking systems.
Electrical System:
Covers wiring diagrams, fuse box locations, lighting, starting and charging systems, and various electronic control units (ECUs).
Body And Interior:
Details on body panels, doors, windows, seats, and interior trim components.
Climate Control:
Information on the HVAC system, including diagnosis and repair of the air conditioning and heating components.
Maintenance:
Routine maintenance procedures such as oil changes, filter replacements, fluid checks, and spark plug replacement.
Troubleshooting:
Guidance for diagnosing common problems with step-by-step troubleshooting charts and symptom-based diagnostics.
Repair:
Detailed repair instructions for major components and systems, including disassembly, reassembly, and torque specifications.
Diagnostics:
Instructions on how to use diagnostic tools and interpret fault codes. Note: The product description mentions WIS and DAS are separate for advanced diagnostics, but this manual offers troubleshooting support.
Depth:
Comprehensive coverage suitable for both DIY owners and professional technicians, offering detailed illustrations and explanations.
Compatibility:
Windows and Mac operating systems.
Searchability:
Likely searchable PDF text, facilitating quick access to information.
Printability:
All pages are printable, allowing users to print specific sections or the entire manual.
Binding:
Not applicable (digital download).
Paper Type:
Not applicable (digital download).
Potential Size:
Can be large, up to 5 GB, indicating a comprehensive and high-resolution document.
Engine Type:
Inline 3-cylinder, naturally aspirated or turbocharged petrol engines (common for the 451 generation).
Displacement:
Typically 999cc (1.0L) for this generation.
Horsepower Range:
Varies by specific engine variant (e.g., 61 hp, 71 hp, 84 hp for turbocharged models).
Torque Range:
Corresponds to horsepower variants, e.g., 93 Nm to 120 Nm.
Fuel Delivery:
Electronic Fuel Injection (EFI).
Coolant Type:
Specific G48 coolant or equivalent (e.g., ethylene glycol based).
Oil Capacity:
Typically around 3.7 liters for the 1.0L engine.
Oil Specification:
Likely SAE 0W-30 or 5W-30, meeting MB-Approval 229.5 or similar specifications.
Type:
5-speed Automated Manual Transmission (AMT), known as Softip or Softouch.
Optional Transmission:
None specified for this model year and generation, AMT was standard.
Features:
Automatic shifting with manual override (tip-tronic style) via gear lever or paddle shifters (if equipped).
Transmission Fluid Type:
Specific automatic transmission fluid (ATF) as per manufacturer's recommendation, often a proprietary blend.
Euro Ncap Rating:
The 451 generation achieved a 4-star Euro NCAP rating.
ABS:
Standard Anti-lock Braking System (ABS).
Esp:
Standard Electronic Stability Program (ESP) with Hill Start Assist.
Airbags:
Driver and passenger airbags, and side airbags (depending on trim).
Rollover Protection:
Integral safety cage ('Tridion' safety cell).
Infotainment System:
Basic radio/CD player with optional navigation system and Bluetooth connectivity.
Driver Assistance Features:
ABS, ESP, Hill Start Assist are standard. Cruise control may be an option.
Connectivity Options:
Optional Bluetooth for hands-free calling and audio streaming.
Oil Change Interval:
Typically every 15,000 km or 12 months, whichever comes first. Refer to manual for exact intervals.
Major Service:
Recommended at higher mileage intervals (e.g., 60,000 km) including spark plugs, brake fluid, and air filter replacement.
Brake Fluid:
DOT 4 or DOT 5.1.
Coolant:
G48 or equivalent (blue/green color).
Common Issues:
Potential issues can include clutch actuator problems in the AMT, exhaust manifold leaks, and water ingress in older models.
Maintenance Tips:
Regular checking of fluid levels and prompt attention to any warning lights are crucial for longevity.
Brand Origin:
Smart is a German brand, a division of Daimler AG, known for its compact city cars.
Generation 451 Introduction:
The 451 generation replaced the original 450 model and was produced from 2007 to 2014, featuring a completely redesigned exterior and interior.
Manufacturing Location:
Hambach, France.
