Smart Fortwo (450) — figures & diagrams

3,817 illustrations, schematics, exploded views, and procedure photos for the Smart Fortwo (450), pulled from the workshop and owner manuals. Pick a system to narrow down, or open any figure for its source manual page, part references, and a copyable link.

System: Body & Interior 1199 Powertrain 934 Electrical 911 Chassis 594 HVAC & Comfort 150 EV-specific 10
Damaged Smart fortwo with emergency kit deployed roadside; communication breakdown section cover. 450 Smart fortwo 450 breakdown assistance communication Body · p1 Fuse box location diagram showing left-hand dashboard area with pull-down access instructions. 450 Fuse box location and access procedure on left-hand side Fuses & relays · p2 Step-by-step fuse change instructions with photo showing fuse box holder removal and reinsertion. 450 Fuse replacement procedure with safety steps and fuse box Fuses & relays · p3 Fuse box diagram showing 27 labeled fuse positions and removal tool. 450Location callout Fuse box layout with numbered positions 1-27 for smart Fuses & relays · p4 Smart fortwo front end with service screen highlighted and numbered callouts marking headlight bulb access points. 450 Headlight bulb replacement procedure for Smart 450 fortwo Engine · p8 Front headlamp assembly with labeled bulbs A, B, C and turn signal bulb removal/installation steps. 450 Front-headlamps bulb types and turn signal light Engine · p9 Parking light bulb holder assembly with disconnect procedure illustration for Smart fortwo 450. 450 Parking light bulb replacement procedure showing bulb Lighting · p10 Headlight bulb replacement guide showing rubber cap removal, retaining springs, and bulb socket location. 450Location callout Low/high beam bulb replacement procedure for Smart fortwo Lighting · p11 Instructions and diagrams showing how to change side turn signal lights on Smart car fender. 450Location callout Side turn signal light bulb replacement procedure with 12V Lighting · p12 Taillight bulb change instructions showing fastening screws, apertures, and plug connector removal points. 450Location callout Taillight bulb replacement procedure with component Lighting · p13 Taillight assembly with labeled parts D, E, F showing clips, panel, and bulb holder for replacement. 450Location callout Taillight bulb removal procedure showing casing clips Lighting · p14 Battery removal and installation steps with diagram showing positive terminal B, negative terminal A, and fastening device C. 450Location callout Battery installation and removal procedure with labeled Battery (12V) · p21 Diagram showing front and rear towing attachment points highlighted on Smart car views. 450 Front and rear towing lug fixing points on Smart fortwo Body · p30 Diagram showing how to attach towing lug to Smart car front bumper with step-by-step instructions and danger warning. 450Location callout Towing lug attachment procedure for Smart fortwo Body · p31 Brake bleeding diagram showing service grill, fluid reservoir, caliper, and wheel cylinder locations with numbered callouts. 450Location callout Bleed brake system service procedure for Smart fortwo Brakes · p1 Service procedure table showing brake bleeding steps with part numbers and torque specifications for smart fortwo models 450.3/4. 450Torque table Brake system bleeding procedure steps 6-16 for smart fortwo Brakes · p2 Technical specification sheet for MB 331.0 brake fluid with part number 000 989 08 07. 450 Brake fluid DOT 4 plus specification and part number for Brakes · p3 Service manual page showing brake drum removal steps with two photos and numbered callouts for smart fortwo. 450Location callout Brake drum removal and installation procedure for chassis Brakes · p4 Six photographs and diagram showing brake system components and routing with numbered callouts 1-13 on Smart fortwo chassis 450/451. 450Exploded view Brake line removal and installation procedure for Smart Brakes · p5 Service procedure table with numbered steps for brake system repair on smart fortwo 450/451 models. 450Location callout Brake system repair notes for all smart models, including Brakes · p6 Service procedure table showing brake line removal steps, installation notes, and torque values for brake components. 450Torque table Brake line removal, rear axle installation, and torque Brakes · p7 Ring wrench socket tool illustration with part number and table of commercial tools and repair materials 450 Ring wrench socket tool 450 589 09 99 04 and commercially p8 Four exploded view photos of drum brake assembly with numbered callout labels 1-11 identifying springs, shoes, cylinders, and hardware. 450Exploded view Rear axle brake shoe removal and installation procedure for Brakes · p9 Service table with brake repair steps, pliers and removal tool illustrations, and auxiliary repair materials list. 450Exploded view Brake system service procedure steps 7-9 showing brake Brakes · p10 Service manual page showing front brake caliper removal procedure with two technical photos and detailed step instructions. 450Location callout Remove/install front axle brake caliper procedure for smart Brakes · p11 Torque specifications table for front brake caliper bolts and brake hose connections on smart fortwo 450. 450Torque table Brake system torque specifications, brake lines, hoses, and Brakes · p12 Service manual page showing brake disk components, assembly photos, and step-by-step removal/installation instructions with callouts. 450Exploded view Front axle brake disk removal and installation procedure Brakes · p13 Technical specifications table for front brake system components including pad thickness, disk wear limits, and bolt torques. 450Torque table Front brake pad wear limits, brake disk thickness Brakes · p14 Exploded view diagrams of brake caliper assembly and brake pad replacement steps with labeled parts. 450Exploded view Front axle brake pad removal, check, and installation Brakes · p15 Service table showing brake pad removal steps, specifications, and disk wear limits. 450Torque table Front brake pad and disk service procedures Brakes · p16 Two brake service tools with part numbers 450 589 01 19 00 and 450 589 02 37 00 shown 450 Vernier caliper and brake piston resetting device tools for Brakes · p17 Service manual page showing wheel brake cylinder removal steps with vehicle diagram and numbered callouts. 450Location callout Wheel brake cylinder removal and installation procedure for Brakes · p18 Parts tables for brake cylinders, lines, wrench tool illustration, and locking paint supplier information. 450Torque table Brake system torque specifications, lines, hoses, box Brakes · p19 Two transmission images showing number location: lower engine side for 450/452, below starter for 454. 450 Transmission number location on 450, 452, and 454 chassis Transmission · p20 Multi-panel technical diagram showing transmission removal steps with numbered callouts for Smart fortwo. 450Exploded view Transmission 717.407/7408/7476 removal/installation Transmission · p21 Transmission exploded view and bracket assembly with 20 numbered service steps and part callouts. 450Exploded view Transmission removal/installation procedure with numbered Transmission · p22 Table showing numbered service steps 20-27 for transmission maintenance and diagnostic procedures with part numbers and menu locations. 450Location callout Service procedures for transmission, clutch, and STAR Transmission · p23 Two tables showing bolt part numbers, designations, and torque specifications in Newton-meters for transmission and exhaust system connections. 450Torque table Transmission 717.4 and exhaust system bolt torque Transmission · p24 Multi-panel technical diagram showing transmission removal steps with labeled components and location guide for smart fortwo 450. 450Exploded view Transmission 717.407/1408 M475 removal and installation Transmission · p25 Technical diagram of transmission assembly with numbered callouts and step-by-step removal instructions table. 450Exploded view Transmission removal procedure with exploded view showing Transmission · p26 Service procedure table for smart 450 manual transmission with STAR DIAGNOSIS diagnostic steps and menu navigation instructions. 450 Model 450/3/4 transmission service procedures including oil Transmission · p27 Service manual page showing clutch removal steps with engine diagram and six detailed photographs of clutch assembly components. 450Exploded view Clutch removal and installation procedure for smart fortwo Clutch · p28 Service manual table with clutch reassembly steps 17-27, part numbers, and STAR DIAGNOSIS diagnostic procedures. 450Location callout Transmission reassembly and STAR DIAGNOSIS procedures for Transmission · p29 Torque spec table and two tool illustrations for clutch bolt installation 450Torque table Clutch module driver bolt torque specifications 450.3 and Clutch · p30 Engine coolant drain/fill service procedure diagram with four numbered detail photos and component callouts for Model 450. 450Location callout Coolant drain and fill procedure for smart fortwo 450 Cooling · p31 Service procedure table with engine coolant maintenance steps and two diagrams of pressure pump and filling device tools below. 450 Cooling system service procedures steps 9-15 for Smart 450 Engine · p32 Service manual page showing belt pulley removal steps with engine diagram and close-up photos of pulley location. 450Exploded view Belt pulley removal and installation procedure for smart Engine · p33 Service manual table with numbered steps 13-24 for chain repair and cylinder head installation. 450Torque table Chain repair service procedure steps 13–24, including rivet Engine · p34 Service manual page with five photographs (A-D) of engine timing chain removal and installation procedures, plus numbered step instructions. 450Location callout Timing chain replacement procedure for smart fortwo 450 Engine · p35 Service procedure table with numbered steps for chain repair and maintenance instructions 450Torque table Chain repair procedure steps 13-24 including rivet link Engine · p36 Engine timing chain assembly diagram with nine numbered component callouts and three detail photos. 450Exploded view Timing gear replacement procedure with callout views of Engine · p37 Timing chain service steps 5-13, torque chart, pulley tool illustration, and commercial diagnostic tools. 450Torque table Timing chain drive disassembly and reassembly procedure Engine · p38 Engine cylinder head with two numbered callout points showing valve clearance compensating element location 450Location callout Remove and install hydraulic valve clearance compensating Engine · p39 Service manual page showing spark plug removal and installation with labeled diagrams and callout steps. 450Location callout Spark plug replacement procedure for 160.910/920 engine in Engine · p40 Torque specifications table for spark plugs showing 28 and 23 Nm values 450Torque table Spark plug initial and retightening torque specifications Engine · p41 Oil filter assembly diagram and numbered service procedure table for smart fortwo engine maintenance. 450Location callout Engine oil and filter change procedure for smart 450 model Engine · p42 Torque specs and oil capacity tables for oil filter screw caps and engine lubrication systems across engine models 160.910, 160.920, and 660.940. 450Torque table Oil filter screw cap torque specifications and engine oil Engine · p43 Technical diagram showing piston and cylinder liner with three measuring points and work instructions for measuring cylinder bore diameter. 450Location callout Cylinder bore measurement procedure and specifications for Engine · p44 Smart engine 135.9 showing engine number position on transmission side of crankcase, three chassis codes visible. 450Location callout Engine 135.9 with engine number location marked on Engine · p45 Service procedure photos showing fuel distributor removal and fuel rail with three injectors 450Location callout Removing fuel distributor with injection valves on 450.3/4 Engine · p46 Service manual page showing engine removal steps with numbered callouts on multiple engine bay photographs. 450Location callout Engine 160.920 removal and installation procedure for smart Engine · p47 Multi-panel diagram showing generator, engine bay, and step-by-step removal instructions with numbered callouts. 450Location callout Engine removal procedure for smart fortwo 450/451 showing Engine · p48 Numbered service steps for engine removal with callouts, part numbers, and special instructions. 450Location callout Engine removal service procedure steps 19-44 with part Engine · p49 Torque specification tables for engine 160.920 showing cable, bolt, and screw tightening values in Newton-meters. 450Torque table Engine 160.920 torque specifications for starter Engine · p50 Service procedure for O2 sensor removal with photos and step-by-step instructions for Smart fortwo 450. 450Location callout Removal and installation of oxygen sensor downstream of Exhaust · p51 Service procedure for O2 sensor replacement with numbered callouts on engine photos and detailed step-by-step instructions. 450Exploded view Oxygen sensor removal and installation procedure for Smart Engine · p52 Engine camshaft removal procedure with numbered callouts and step-by-step instructions. 450Location callout Camshaft removal and installation procedure for 450/451 Engine · p53 Torque specification table for camshaft bolts on smart fortwo engines with wrench tool illustration 450Torque table Engine camshaft sprocket and bearing cap bolt torque Engine · p54 Engine diagram showing roller drag lever and cylinder head with numbered callouts for cam follower service. 450Location callout Camshaft follower removal and installation procedure for Engine · p55 Exploded view of chain tensioner assembly with numbered callouts and removal procedure table. 450Exploded view Chain tensioner removal and installation procedure for Engine · p56 Four engine bay photographs showing ignition coil locations and removal procedure for three cylinders, with step-by-step service instructions below. 450Location callout Remove and install ignition coils on smart fortwo 450 Engine · p57 Engine bay photos and schematic showing intake air temperature sensor location and removal steps. 450Location callout Intake air temperature sensor B17 removal and installation Engine · p58 Engine intake manifold removal procedure with 12 numbered callouts showing spark plugs, vacuum lines, fuel lines, and cables. 450Location callout Removing and installing intake manifold on 450/451 chassis Engine · p59 Engine intake manifold assembly diagrams showing bolt callouts and fuel injector cylinder locations Y62/1, Y62/2, Y62/3. 450Location callout Intake manifold removal/installation procedure with fuel Engine · p60 Service procedure table showing steps 13-20 for intake manifold removal, with torque specs and part numbers for bolt installation. 450Torque table Intake manifold removal and installation procedure with Engine · p61 Service procedure for intake manifold pressure sensor replacement with numbered callouts and engine diagram. 450Location callout Removing and installing intake manifold pressure sensor B28 Engine · p62 Technical diagram showing piston ring types, removal tools, and step-by-step installation instructions for smart fortwo engine. 450Exploded view Piston ring removal and installation procedure for smart Engine · p63 Service manual page showing piston ring installation steps, measuring caliper and pliers tools with part numbers. 450Location callout Engine piston ring installation procedure with oil scraper Engine · p64 Exploded view diagram and photographs of piston, connecting rod, bearing cap, and cylinder liner components for smart fortwo 450 engine. 450Exploded view Piston removal and installation procedure for 160,920 in Engine · p65 Two cylindrical main bearing shells labeled 11 and 13 with numbered callouts. 450Exploded view Main bearing shell top and bottom components for engine Engine · p66 Service manual table showing numbered steps for engine component removal, cleaning, checking, and installation with callout notes and part references. 450Exploded view Engine disassembly and reassembly procedure steps 14–30 for Engine · p67 Torque specification tables for crankcase bolts and connecting rod bolts with part numbers. 450Torque table Engine 160.920 crankcase and connecting rod torque Engine · p68 Service manual page showing V-belt replacement steps with numbered callouts and multiple engine bay photographs. 450Torque table Poly V-belt removal and installation procedure for smart Engine · p69 Service manual page showing alternator bolt tightening steps, belt tension gauge use, and torque specs table with tool diagrams. 450Exploded view Alternator installation and belt tensioning procedures for Engine · p70 Engine compartment diagram showing poly V-belt components and removal steps for smart fortwo models. 450Exploded view Poly V-belt removal and installation procedure on 450/451 Engine · p71 Service procedure table for belt tensioning device removal, installation, and adjustment with callouts and torque values. 450Torque table Poly-V belt tensioning procedure steps 6–16 with torque Engine · p72 Service procedure showing rear axle crossmember removal with 8 labeled components and 7-step instructions. 450Torque table Remove/install rear axle crossmember procedure for smart Suspension · p73 Labeled diagrams and photos showing rear engine mount location and fastener positions with torque table. 450Torque table Right rear engine mount removal and installation procedure Engine · p74 Torque specification table for engine bolts and rear axle carrier bolts on Smart fortwo 450Torque table Engine 660.940 bolt torque specifications for cylinder head Engine · p75 Tightening diagram showing cylinder head bolt sequence with torque values and socket wrench tool. 450Torque table Cylinder head bolt tightening diagram and torque Engine · p76 Service manual page showing battery (G1) fluid level check and correction steps with warning about hydrogen gas and caustic burns. 450Location callout Battery fluid level inspection and correction procedure for Battery (12V) · p77 Engine charge air cooler location and cleaning instructions with three detail photographs. 450Location callout Charge air cooler inspection and cleaning procedure for Engine · p78 Three-view diagram of Smart Fortwo 450 showing stone impact zone, CBS rear area, and rear panel fastening points. 450Location callout Inspect Smart Fortwo 450 body for paintwork damage, stone Body · p79 Brake fluid reservoir photo with callout numbers and car diagram showing reservoir location. 450Location callout Brake fluid reservoir inspection procedure for smart fortwo Brakes · p80 Engine cylinder inspection with endoscope tool and numbered service procedure steps. 450Location callout Cylinder inspection procedure using endoscope and light Engine · p81 Service manual page showing AC leak test steps and condensation drain hose location on smart car. 450Location callout Air conditioning system leak test procedure for smart HVAC · p82 Service table showing AC leak detector inspection steps 9-13 and installation steps 14-17 with referenced part numbers 450 Air conditioning system inspection procedures for expansion HVAC · p83 Engine V-belt inspection guide with four labeled photos showing belt locations and service steps for smart fortwo 450 chassis. 450Exploded view Inspect poly V-belt for wear and damage on 450 series smart Engine · p84 Service manual table showing V-belt tension testing procedures with retention limits and part numbers for compressor and generator. 450Torque table Poly-V-belt tension checks and installation procedure for Engine · p85 Headlamp adjustment guide showing lamp unit photo with adjustment screws E1, E2 and three beam pattern diagrams for right-hand, left-hand, and high beam settings. 450Location callout Headlamp adjustment procedures for Smart fortwo, including Lighting · p86 Service manual page showing headlamp locations on front vehicle diagram and 11-step adjustment checklist. 450Location callout Headlamp adjustment procedure with numbered service steps Lighting · p87 Service procedure table showing air inlet work and headlamp testing equipment requirements 450 Air inlet removal and installation steps with workshop Fuel system · p88 Fog lamp assembly with adjustment screw callout and light-dark boundary adjustment pattern diagram. 450Location callout Fog lamp adjustment procedure with headlamp testing unit Lighting · p89 Service manual page showing radio dimming diode installation steps with vehicle diagrams and labeled connector locations. 450Location callout Radio dimming diode installation procedure for Smart Fortwo Wiring · p90 Service procedure step 11 showing DTC diagnostics, wiring harness repair kit, and three crimper tool options with part numbers. 450 DTC memory diagnosis procedure with wiring harness repair ECU / sensors · p91 Service manual page showing air distribution cable removal steps with two black and white photos and detailed procedure table. 450Location callout Air distribution cable removal and installation procedure HVAC · p92 Service procedure photos showing air recirculation box, cable, connector, and control unit N26 on smart fortwo 450 chassis. 450Location callout Air recirculation unit removal and installation procedure HVAC · p93 Service manual page showing alternator removal steps, two engine photographs with numbered callouts, and torque specifications table. 450Exploded view Alternator removal and installation procedure for Smart Engine · p94 Service procedure showing battery ground cable location and removal steps with safety warnings. 450 Battery ground line disconnect/connect procedure for smart Wiring · p95 Battery removal and installation steps with labeled components including cover, clip, positive line, bracket, venting hose, and battery. 450Location callout Battery removal and installation procedure for chassis Battery (12V) · p96 Service manual page showing blower motor location, electrical plug, and two mounting bolts with callout labels. 450Location callout Blower motor removal and installation procedure for chassis HVAC · p97 Service procedure showing four engine bay photos with numbered callouts and detailed removal/installation steps for catalytic converter replacement. 450Location callout Catalytic converter removal and installation procedure for Engine · p98 Service procedure table showing catalytic converter steps 6-8, O₂ sensor torque spec, exhaust system bolt specs, and wrench socket tool. 450Torque table Catalytic converter removal and installation procedure with Exhaust · p99 Three step-by-step photos showing cockpit switch group removal from smart fortwo center console with labeled connectors. 450Location callout Removing and installing cockpit switch group S6/1 on center Interior trim · p100 Engine coolant thermostat location and removal steps with numbered callouts and torque specifications. 450Torque table Coolant thermostat removal and installation procedure for Engine · p101 Clutch assembly diagram with numbered callouts and torque spec table for engines 160.910/920 and 660.940 450Torque table Clutch plate and catch removal/installation procedure for Engine · p102 Service procedure showing SAM control unit location with three detail photos and 14-step removal/installation instructions. 450Location callout SAM electrical control unit removal and installation Fuses & relays · p103 Service procedure diagrams showing generator bracket, engine block bracket installation, and removal sequence steps. 450Exploded view Installing and removing engine block support device for Engine · p104 Installation checklist table with part numbers, torque specs in Newton-meters for multiple engine variants. 450Torque table Engine installation procedure steps 15-27 with torque Engine · p105 Torque specification tables for engine support bolts and technical drawing of retainer clip part 450 589 29 63 00. 450Torque table Engine mounts and supports torque specifications for Smart Engine · p106

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