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Stage 1 Β· Diesel

Mercedes-Benz E Class (W212) 2013-2016 E350 CDI BlueTEC 248bhp remap figures

The Mercedes-Benz E Class E350 CDI BlueTEC 248bhp (2013-2016) is a diesel 3.0L model making 248bhp and 620Nm as standard. After a Stage 1 ECU remap we expect 307bhp and 694Nm - up to 59bhp and 74Nm more than stock.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

StockVanguard expectedExpected gain, up to
Power248 bhp307 bhp+59 bhp
Torque620 Nm694 Nm+74 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock248 bhp620 Nm
Stage 1Maximum software-only performance307 bhp694 Nm+59 bhp
+74 Nm
Stage 1 EcoPerformance with economy in mind292 bhp688 Nm+44 bhp
+68 Nm
Eco mapEconomy first288 bhp684 Nm+40 bhp
+64 Nm

Who is the Stage 1 map for?

  • Drivers who want stronger pulling power for overtaking, hills and towing, with no parts to fit.
  • Daily and motorway drivers who want the engine to feel less strained at cruising speed.
  • Anyone who wants the biggest software-only change we list for this engine.

What this means for your E Class

On a diesel the biggest change is normally torque: the remap changes how much fuel and boost the ECU allows across the rev range, so pulling power arrives earlier and holds on longer.

This car is listed with a Bosch EDC17C46 engine control unit. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the Mercedes-Benz E Class E350 CDI BlueTEC 248bhp?

We expect 307bhp and 694Nm against 248bhp and 620Nm as standard: up to +59bhp and +74Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the Mercedes-Benz E Class E350 CDI BlueTEC 248bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 292bhp and 688Nm expected. The Eco map is economy first: 288bhp and 684Nm. Both still sit above the standard 248bhp and 620Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.