Mercedes-AMG originally intended for the E 63 and E
63 S models to produce no more than 571 PS and 612 PS respectively. Yet, German
tuner RENNtech had other plans.
Opting for the R800 performance package means
increasing output to an impressive 800 PS at 6,800 rpm. Maximum torque is then
limited at 1,050 Nm, considerably more than the 750 Nm and 850 Nm generated by the E 63 and E 63 S when stock.
Customers can also get the optional ceramic-coated
downpipes with 200-cell sports cats, which add an extra 20 PS while
further-boosting the soundtrack in Sport and Sport+ modes. Meanwhile, the noise
levels in Comfort mode remain relatively the same as before, in both the E 63
and E 63 S.
As far as pricing goes, the R800 performance package
will set you back close to € 15,000 (US$ 17,519) if you also go for the Vmax
increase, TUV approval and engine and powertrain warranty (up to 3 years,
100,000 km), or just under € 12,000 (US$ 14,000) if you skip those
steps.
In a straight line, the RENNtech E 63 S can cover a
1/4 mile in just 10.43 seconds, at 214 km/h. That’s a personal best
for any W213 E-Class, and an improvement over last year’s record time of 10.68
seconds posted by a 773 PS Mercedes-AMG E63 S at the Palm Beach International
Raceway.
However, that car only featured an ECU upgrade, whereas the
R800-equipped one also came with a BMC air filter, BOV adapters, the
previously-mentioned downpipes with 200-cell cats, a fuel system upgrade and
upgraded turbo tech.
