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GLC63 AMG Tuning
X253 / C253 | M177 4.0 Twin-Turbo V8
The GLC63 shares the same M177 engine as the C63 but in a heavier SUV platform. We optimise power delivery and recommend intake upgrades to manage heat and drivetrain stress.
Tuning Packages
Stage 1£1,750
~600
BHP
950-1000
NM Torque
- ✓ Bespoke ECU remap + TCU gearbox tune
- ✓ Before & after dyno testing
- ✓ Same specs as C63 Stage 1
⏱ Turnaround: 4–6 hours
Stage 2
640-660
BHP
1050-1100
NM Torque
- ✓ Downpipes + intake upgrades required
- ✓ Intake upgrades recommended (heavier platform, more heat)
- ✓ Pops, bangs & flames
- ✓ Full service + dyno testing included
Pricing similar to C63 Stage 2 structure — contact us for exact quote based on your spec.
Important Notes
- → Fuel: Tesco 99 or Esso 99 only
- → Heavier platform — watch for heat and drivetrain stress
- → Intake upgrades strongly recommended
- → Free adjustments on all tuning work
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