Smart ForFour 1.5 CDI 68 hp — Stage 1 file (+22 hp)
hp
Stage 1 file for Smart ForFour 1.5 CDI 68 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Smart ForFour 1.5 CDI 68 hp ECU
Smart ForFour (2005) 1.5 CDI 68 hp — mass-market diesel engine of the passenger segment of the Mercedes-Benz Group AG / Geely (с 2020 — JV) group (Германия, 1926). Stage 1 chip tuning raises power from 68 to 90 hp (+22 hp, +32%) and torque from 160 to 210 Nm (+50 Nm). Diesel engines built in 2005 — the era of classic Common Rail without strong encryption.
Smart historically used Mitsubishi and Renault engines. Smart is positioned as an urban premium micro-car brand. Smart specialises in micro urban cars (ForTwo, ForFour). Mercedes diesels have long been popular with the German police and taxi services. Mercedes diesel engines are fitted to passenger cars and commercial vehicles. BlueTEC is Mercedes's proprietary exhaust after-treatment system with an SCR catalyst and AdBlue.
The Mercedes community in Europe has a large pool of available Stage files for the standard models. In the Mercedes commercial segment, Stage 1 focuses on torque. The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. On naturally aspirated Mercedes engines without a turbo, the main effect is on throttle response. In the Mercedes city segment, Stage 1 is more about comfort and responsiveness than power. On low-output Mercedes engines, Stage 1 is safe and does not over-stress the hardware.
Frequently asked questions
How much does the power of the Smart ForFour 1.5 CDI 68 hp increase after Stage 1?
Stage 1 for the Smart ForFour 1.5 CDI 68 hp adds +22 hp — power increases from 68 to 90 hp (+32%). Torque rises from 160 to 210 Nm (+50 Nm).
What does a Stage 1 remap of the Smart ForFour 1.5 CDI 68 hp include?
Stage 1 chip tuning of the Smart ForFour is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +22 hp with no hardware changes.
What does chip tuning give on the low-output Smart ForFour 1.5 CDI 68 hp?
Yes, Stage 1 on the low-output Smart ForFour 1.5 CDI 68 hp delivers a moderate but genuine gain — without overstressing the hardware. On base naturally aspirated engines the effect is felt mainly as improved throttle response and a stronger mid-range.
How much does Stage 2 add on the Smart ForFour?
Stage 2 for the Smart ForFour 1.5 CDI 68 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
What happens to the Smart ForFour warranty after chip tuning?
The factory warranty of the Smart ForFour does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Smart ForFour take?
On the Smart ForFour 1.5 CDI 68 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Smart ForFour?
Yes, the original ECU firmware of the Smart ForFour 1.5 CDI 68 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Smart ForFour?
Stage 1 for the Smart ForFour 1.5 CDI 68 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.