SMART Electric Drive Key fob battery replacement Cost
2012–2023 · Engine, Fuel & Emissions system
Typical range
$40–$85
Parts + labour
Labour hours
0.2–0.5h
At a typical garage
The 12 V battery starts the engine and powers electronics when the car is off. Most batteries last 3–5 years; warning signs include slow cranking, a battery warning light, and electrical gremlins. SMART Electric Drive battery replacement typically costs $40–$85 including the new battery.
Typical parts included
- Key fob battery
What affects the price
- Battery group size and CCA (cold cranking amps) rating
- OEM vs aftermarket brand (Bosch, Varta, Optima)
- Whether the ECU requires a reset or recalibration after replacement
Common questions
How long does this repair take?
Key fob battery replacement on a SMART Electric Drive typically takes 0.2–0.5 hours at a garage.
How often does this need to be done?
For a SMART Electric Drive, this is typically needed every 3–5 years, or sooner in extreme hot or cold climates.
Other engine, fuel & emissions system repairs on the SMART Electric Drive
- ABS hydraulic unit replacement$476–$821
- ABS sensor replacement$196–$338
- ABS system bleeding$157–$270
- AC compressor clutch replacement$392–$676
- AC compressor replacement$420–$725
Key fob battery replacement cost on similar cars
- NISSAN Micra 5 Doors$28–$48
- RENAULT Clio 5 Doors$28–$48
- KIA Picanto$28–$48
- MINI Hatch$28–$48
- FIAT 500$28–$48
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