Mercedes SLR 5.4T 626 hp — Stage 1 file (+44 hp)
hp
Stage 1 file for Mercedes SLR 5.4T 626 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes SLR 5.4T 626 hp ECU
Mercedes SLR (2003 - C199) 5.4T 626 hp — premium petrol engine of the passenger segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 626 to 670 hp (+44 hp, +7%) and torque from 780 to 900 Nm (+120 Nm). A petrol engine built in 2003 — the era before widespread firmware encryption, OBD flash without complications.
The Mercedes slogan is 'Das Beste oder nichts' ('The best or nothing'). Smart is Mercedes's city sub-brand, historically running Mitsubishi and Renault engines. Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. AMG is Mercedes's performance division (since 1967), acquired by Mercedes in 1999. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships. Brabus is an independent Mercedes tuning house specialising in top-model upgrades.
The Mercedes community in Europe has a large pool of available Stage files for the standard models. AMG engines confidently reach Stage 2 with a downpipe + intake. The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler). Brabus is a premium alternative to AMG for the top models. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models.
Frequently asked questions
How much does the power of the Mercedes SLR 5.4T 626 hp increase after Stage 1?
Stage 1 for the Mercedes SLR 5.4T 626 hp adds +44 hp — power increases from 626 to 670 hp (+7%). Torque rises from 780 to 900 Nm (+120 Nm).
What does a Stage 1 remap of the Mercedes SLR 5.4T 626 hp include?
Stage 1 is a software optimization of the factory ECU firmware of the Mercedes SLR with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +44 hp with no hardware changes.
Does Stage 1 make sense on the Mercedes SLR 5.4T 626 hp with this much power?
On the top-spec Mercedes SLR 5.4T 626 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
What is Stage 2 for the Mercedes SLR 5.4T 626 hp?
Stage 2 for the Mercedes SLR 5.4T 626 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.
Does the factory warranty of the Mercedes SLR remain valid after Stage 1?
After remapping the Mercedes SLR, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Mercedes SLR?
Reading and writing via OBD takes 25-30 minutes on the Mercedes SLR. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Mercedes SLR?
Before Stage 1 the original of the Mercedes SLR 5.4T 626 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Mercedes SLR 5.4T 626 hp cost?
The remap price for the Mercedes SLR 5.4T 626 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.