Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSMART2012FORTWO ELECTRIC DRIVE, 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALCOMPLETE ENGINE - 451 CHASSIS
2012 Smart Fortwo Electric Drive, 2D Coupe
Complete Engine - 451 Chassis
2012 Smart Fortwo Electric Drive, 2D CoupeSECTION Complete Engine - 451 Chassis
- Basic Knowledge
- Testing & Repair
- Inspect cylinders with a light probe - AR01.00-P-0200MCU
- Test compression pressure - AR01.00-P-1200MCU
- Check cylinders for leaks - AR01.00-P-1300MCU
- Lower and position rear drive module
- Remove/install rear-wheel drive module
- Remove/install engine with transmission - AR01.10-P-2401MCU
- Remove/install crankcase ventilation valve (partial load) - AR01.20-P-0010MCU
- Remove/install cover on crankcase - AR01.20-P-0100MCU
- Remove/install cylinder head cover - AR01.20-P-5014MCU
- Tightening procedure for cylinder head bolts - AR01.30-P-5800-01MCC
- Remove/install cylinder head - AR01.30-P-5800MCU
- Remove/install timing case cover - AR01.40-P-8000MCU
- Remove/install end cover together with shaft seal - AR01.40-P-8920MCU
- Measure cylinder bores - AR01.40-P-9202MCC
- Remove/install oil pan - AR01.45-P-7500MCU
- Test & Adjustment Values
- Torque Specifications
- Special tools
- 001 589 00 91 00 Set of protective covers - WS01.00-N-0110B
- 001 589 02 91 00 Set of protective covers - WS01.00-N-0112B
- 000 588 00 31 00 Assembly stand - WS01.00-N-3028B
- 639 589 00 61 00 Engine lifting device - WS01.00-N-3106C
- 001 589 76 21 00 Compression tester - WS01.00-P-0004A
- 601 589 00 10 00 Screwdriver bit - WS01.00-P-0033B
- 450 589 00 10 00 Socket wrench - WS01.00-P-0070B
- 450 589 05 21 00 Compression tester set - WS01.00-P-0072A
- 450 589 07 21 00 Pressure pump - WS01.00-P-0074B
- 450 589 01 91 00 Adaptation - WS01.00-P-0078A
- 450 589 03 91 00 Adapter - WS01.00-P-0081A
- 450 589 17 21 00 Pressure loss tester - WS01.00-P-0082B
- 000 588 03 62 00 Lifting platform - WS01.00-P-0091A
- 000 588 11 62 00 Major assembly mount - WS01.00-P-0092B
- 000 588 01 21 00 Endoscope - WS01.00-P-0097B
- 452 589 01 99 00 Repair tools for valves - WS01.00-P-0108C
- 001 589 01 91 00 Set of protective covers - WS01.00-P-0111B
- 003 589 03 37 00 Hose clamp pliers - WS01.00-P-0113B
- 122 589 00 28 00 Blade - WS01.00-P-0138B
- 451 589 01 63 00 Adapter - WS01.00-P-0143B
- 451 589 02 63 00 Retaining plates - WS01.00-P-0144B
- 451 589 01 62 00 Support braces - WS01.00-P-0145C
- 451 589 00 91 00 Adapter - WS01.00-P-0146B
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.