FS: 1997 RENNtech E60RS MINT - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 09-06-2016, 01:44 PM Thread Starter
BenzWorld Junior Member
Date registered: Jul 2005
Vehicle: RENNtech E, ML & SL
Location: Maryland & Florida
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(Thread Starter)
FS: 1997 RENNtech E60RS MINT


In 1986, a small specialist company in Germany made a big splash in the world of high performance cars by taking a mid-size sedan, putting a stonkin’ big motor into it, upgrading the brakes and suspension to keep pace (kind of) with the huge power increase, and turning it loose on the public.

The company was AMG, and the car was the now-legendary “Hammer.” 30 years later, the name still resonates with piston heads the world over.

Hartmut Feyhl was a member of the AMG team in Germany that developed the Hammer. He subsequently moved to the U.S. as AMG’s North American Technical Director. In 1989, he went out on his own and formed a new company dedicated to “performance without compromise,” initially almost exclusively for cars from Mercedes-Benz. As his company grew in expertise and resources, the idea of building a successor to the iconic Hammer that he helped conceive and develop became too strong to resist.

Feyhl’s company was RENNtech. His successor to the Hammer was a handcrafted engineering and styling masterpiece, the “E60RS.” Production was extremely limited, not a surprise given that the six liter motor alone cost $49,900. Around 12 E60RS cars were made using the dual overhead cam, four-valve heads from the E420 motor. Just one of them, the car presented here, was in white.


New 1997 Mercedes E420 Sport Model VIN WDBJF72F8VA525420 purchased November 1997
Glacier White exterior/Charcoal interior
Equipped with standard and optional features including automatic dual zone heat and A/C with rear outlets, heated driver and passenger sport seats with 3-position memory, remote locks, auto dim rear view mirror, tinted glass, power moon roof, xenon headlamps, and premium audio system with 6-CD changer

RENNtech MODIFICATIONS: “Bored Out, Beefed Up, Forged, Stroked, Shaped, Tightened and Tuned” by RENNtech in Florida in April 1999 at 14,500 miles

Engine Modifications:
• 4.2 litre short block scrapped and replaced with 5 liter block bored and stroked to 6 liters
• Original 4-cam/32-valve cylinder heads (excellent flow) CNC ported, polished, and port-matched to manifolds
• New larger and lighter intake valves
• Custom performance cams
• Compression ratio remained stock at 11.0/1
• High volume carbon fiber twin air intake with K&N filters
• Reprogrammed engine management system w/deletion of speed limiter
• Oil cooler
• Dynojet tested @420HP

Drivetrain and Chassis Modifications:
• Upgraded 5-speed automatic transmission
• Torsen-Gleasen limited slip differential with shorter 3.06 final drive ratio (stock ratio was 2.82)
• Specially-valved Koni adjustable shocks
• RENNtech springs and RENNtech chassis lowering kit (~1 inch)
• Larger front and rear anti-roll bars
• New rear subframe with aluminum links and Heim joint camber adjusters
• Stainless steel exhaust system (down pipes, twin all-metal catalysts, sport resonator and sport muffler)
• RENNtech/Alcon 14” vented front brakes w/aluminum 4-piston calipers
• RENNtech/Alcon 12” vented rear brakes w/aluminum 4-piston calipers
• Stainless steel brake lines
• RENNtech Monolite Rims; 18” x 8.5” front, 18” x 10.0” rear
• Bridgestone Potenza tires; 245/40ZR18 front, 285/35ZR18 rear
• OZ 2-Piece “F1” Racing Rims; 18” x 8.5” front, 18” x 10” rear (all just refinished)

Body and Interior Modifications:
• Full RENNtech “Wide Body” kit with front and rear fender flares, side skirts, front air dam with Xenon fog lights, and rear spoiler
• Alcantera leather seat and door inserts matching headliner color (light gray)
• Ergonomic burl walnut/black leather steering wheel
• RENNtech custom floor mats and shift knob
• RENNtech custom gauges with white faces and 200 mph speedometer

PERFORMANCE: 0-60 mph/4.6 seconds; 60-0 mph/102 feet; Top Speed/180 mph


• 2 owners; 16-1/2 years with current owner; original cost ~$160,000
• 83,500 miles total; just 68,300 miles on RENNtech makeover to E60RS
• Presents as virtually new; no accidents or repaints except to front air dam and parking lot ding on right rear; always professionally detailed; treated with CQuartz Finest nanotechnology surface protection

• Rear tire wear bars beginning to show.
• Small discoloration on right side of HVAC screen; has been stable for many years
• Crack in intake air box
• Rear spoiler may need removal and resealing of contact area with trunk lid
• 2 of 4 RENNtech Monolite wheels have small paint imperfections, another one has minor curb rash; note that four (4) OZ “F1” wheels, all just professionally refinished, are included with this sale

PRICE $21,900 OBO


• Complete 50+ photo set available on DropBox
• Car located near Annapolis, Maryland, 30 minutes from BWI Airport and Amtrak
• Contact Don Silawsky by email: donald.silawsky@gmail.com

Only 12 RENNtech E420/E60RS in the World
This car is 1 of 1 in the World in White

“Rides Like a Standard Mercedes―Goes Like a Bat Outta Hell”
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'97 RENNtech E60RS
'99 RENNtech ML60RS
'91 300SL 5-spd/'94 SL600/'97 C36/'02 SL500 (all gone)
'66 427 SC Cobra (original)
'66 Ford GT40 (original)
'91 Corvette ZR-1
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post #2 of 2 (permalink) Old 02-27-2017, 07:45 AM Thread Starter
BenzWorld Junior Member
Date registered: Jul 2005
Vehicle: RENNtech E, ML & SL
Location: Maryland & Florida
Posts: 19
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
(Thread Starter)

'97 RENNtech E60RS
'99 RENNtech ML60RS
'91 300SL 5-spd/'94 SL600/'97 C36/'02 SL500 (all gone)
'66 427 SC Cobra (original)
'66 Ford GT40 (original)
'91 Corvette ZR-1
RENNtech-er is offline  
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