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Mercedes-Benz SL-Class (R129)

(Redirected from Mercedes-Benz R129)
This article is about the 1988–2001 300 SL (R129 model range). For the original 1954–1963 300 SL (W198 model range), see Mercedes-Benz 300 SL.

The Mercedes-Benz R129 SL is a roadster which was produced by Mercedes-Benz from 1988 until 2001. The R129 replaced the R107 in 1989 and was in its turn replaced by the R230 SL-Class in 2002 for the 2003 model year.

Mercedes-Benz SL (R129)
Overview
Manufacturer
Production
AssemblyGermany: Bremen
Designer
Body and chassis
ClassSports car / Grand tourer
Body style2-seater Convertible
Layoutfront-engine, rear-wheel-drive
Powertrain
Engine
Transmission
Dimensions
Wheelbase99.0 in (2,515 mm)
Length
  • 1997–2001: 177.1 in (4,498 mm)
  • 1989–1996: 176.0 in (4,470 mm)
  • 1992–96 V12: 178.0 in (4,521 mm)
Width71.3 in (1,811 mm)
Height
  • 1992–2001: 51.3 in (1,303 mm)
  • 1989–1991: 50.7 in (1,288 mm)
Chronology
PredecessorMercedes-Benz R107
SuccessorMercedes-Benz R230

The R129 was offered as a two-door roadster with an automated (electro-hydraulic), fabric convertible roof; colour-matched, automated tonneau cover; and a manually detachable hardtop that could be fitted over the stored fabric convertible roof and tonneau. It was available with a variety of powertrains across its twelve-year production, including a V12 option used in the SL600.

Development and launch

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Designed in 1984, the R129 was based on the shortened floorpan of the Mercedes-Benz W124.[3] The new SL-class was presented at the Geneva Motor Show in March 1989, with left-hand drive sales beginning that summer and right-hand drive sales in the autumn. It came runner-up behind the Citroen XM for the European Car of the Year accolade.[6]

Models

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Model Chassis Engine From Year To Year
SL 280 129.058 104.943 1993 1998
SL 280 129.059 112.923 1998 2001
300 SL 129.060 103.984 1988 1993
300 SL-24 129.061 104.981 1988 1993
SL 320 129.063 104.991 1993 1998
SL 320 129.064 112.943 1998 2001
500 SL 129.066 119.960 1988 1993
500 SL 129.067 119.972 1993 1995
SL 500 129.067 119.972 1995 1998
SL 500 129.068 113.961 1998 2001
600 SL 129.076 120.981 1991 1993
SL 600 129.076 120.981 1993 2001

Model history

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Designed in 1984, the R129 was based on the shortened floorpan of the Mercedes-Benz W124[3] and featured many innovative details for the time, for instance electronically controlled damping (Adaptive Damping System ADS, optional) and a hidden, automatically extending roll-over bar. The R107's somewhat dated rear suspension with semi-trailing arms gave way to a modern multi-link axle. The number of standard features was high, with electric action for the windows, mirrors, seats and hydraulic convertible top.

This car has a distinction of being the first passenger vehicle to have seat belts integrated into the seats as opposed to anchoring to the floor, B-pillar, and transmission tunnel.[citation needed]

 
Odometer switched from mechanical to electronic between the 1994 and 1995 models.
 
Note the slots behind the wheel are different
 
Note the tail lights are different

Starting in 1993 for the 1994 model year, R129s were re-designated. For example, 500 SL became SL 500. Starting in model year 1994, Mercedes-Benz offered special SL models from time to time, such as the Mille Miglia edition cars for the 1994 model year, or the SL edition for the 2000 model year.

1994 cars (for the 1995 model year) featured minor updates:

  • Odometer switched from mechanical to electronic
  • Option for portable cell phone with voice activated dialling
  • Clear front turn signal indicators for US SPEC models
  • Bose stereo now standard, rear speakers and subwoofer

From 1995 onwards, R129s for the 1996 model year featured a minor facelift for the car:

  • Front wing vents updated; only 2 rounded slots, rather than 3 squared slots
  • Bumpers are now body colour
  • V8 and V12 upgraded to 5 speed electronic transmission; previous transmission was hydraulic 4-speed
  • Xenon HID headlamps standard on SL 600, optional on SL 500
  • Addition of side airbags

During 1996 for the 1997 model year, these cars were the first of their model line to have an option of a panoramic roof. Also newly available:

  • A new front-seat occupant-detection sensor could deactivate the right-side airbag when it determined that the passenger seat held less than 26 pounds
  • "Sport" package became an option
  • Automatic rain-sensing windshield wipers standard
  • Three-way programmable garage door opener "HomeLink" transmitters built into the rear-view mirror
  • Replaced the earlier climate control panel with one with a much larger LCD
  • Remote control uses dual infrared (IR) and radio (RF) control

A second facelift occurred in 1998 for model year 1999 which featured:

  • V8 engine switch from M119 to M113
  • Soft Nappa leather seats replace the perforated leather seats
  • New steering wheel design
  • Body colour door handles
  • Taillights with curved faces replacing the classic square ribbed lights
  • 17-inch wheels standard: Wheels are now 8.25 x 17" with 245/45ZR17 tyres. Sport package is 8" (front) and 9" (rear) x 18" with 245/40 and 275/35 tyres respectively.
  • Fiber-Optic digital audio links to the CD player instead of analogue copper
  • One-touch starting- called "Tip-start". Once the key is turned, the engine cranks on its own until it catches and starts.
  • Instrument cluster now has silver rings around each gauge
  • Oil pressure gauge replaced by oil temperature
  • Different engine vanity cover
  • Removed the automatic lock on the left rear storage compartment which houses the Bose subwoofer
  • Passenger side storage net on transmission tunnel

Engine history

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1998–2001 Mercedes-Benz SL 320
 
1989–1995 Mercedes-Benz 300 SL-24
 
1998–2001 Mercedes-Benz SL 500
 
1998–2001 Mercedes-Benz SL 320
 
Mercedes-Benz 500 SL blue cloth interior

Initially, there were three different engines available,

  • 300 SL with a M103 3.0 L 12-valve SOHC I6 (188 hp (191 PS; 140 kW) at 5,700 rpm),[6]
  • 300 SL-24 with a M104 3.0 L 24-valve DOHC I6 (228 hp (231 PS; 170 kW) at 6,300 rpm),[6]
  • 500 SL with a M119 5.0 L 32-valve DOHC V8 (322 hp (326 PS; 240 kW) at 5,500 rpm),[6]

and joined in July 1992 by the

  • 600 SL with a M120 6.0 L 48-valve DOHC V12 (389 hp (394 PS; 290 kW) at 5,200 rpm).[6]

There was a choice of 5-speed manual or 4–5 speed automatic for the six-cylinder cars; the V8 and V12 could only be ordered with a 4-speed automatic gearbox.

In autumn 1993 Mercedes-Benz rearranged names and models. Also, the 300 SL and 300 SL-24 were respectively replaced by:

  • SL 280 with a M104 2.8 L 24-valve DOHC I6 (190 hp (193 PS; 142 kW) at 5,500 rpm),[6]
  • SL 320 with a M104 3.2 L 24-valve DOHC I6 (228 hp (231 PS; 170 kW) at 5,500 rpm).[6]

Only the 280 was available with a manual gearbox. SL 500 and 600 continued with their respective engines.

A second facelift, introduced in late 1998, comprised new external mirrors, 17" wheels and new bumpers. Also new were the engines,

  • SL 280 with a M112 2.8 L 18-valve SOHC V6 (201 hp (204 PS; 150 kW) at 5700 rpm),[6]
  • SL 320 with a M112 3.2 L 18-valve SOHC V6 (221 hp (224 PS; 165 kW) at 5,600 rpm),[6]
  • SL 500 with a M113 5.0 L 24-valve SOHC V8 (302 hp (306 PS; 225 kW) at 5,600 rpm).[6]

The V12 engine remained unchanged.


Powertrains
Model Engine Horsepower & Torque Top Speed 0-100 km/h (0-62 mph)
1989–1993
300SL 3.0 L M103 I6 140 kW (191 PS; 188 hp)
and 260 N·m (191 ft·lb) of torque		 228 km/h (142 mph) 9.3 seconds
300SL-24 3.0 L M104 I6 170 kW (231 PS; 228 hp)
and 271 N·m (200 ft·lb) of torque		 240 km/h (149 mph) 8.4 seconds
500SL 5.0 L M119 V8 240 kW (326 PS; 322 hp)
450 N·m (331 ft·lb) of torque		 250 km/h (155 mph) 6.2 seconds
600SL 6.0 L M120 V12 290 kW (389 hp; 394 PS)
and 570 N·m (420 ft·lb) of torque		 250 km/h (155 mph) 6.1 seconds
Late 1993–Late 1998
SL280 2.8 L M104 I6 142 kW (190 hp; 193 PS)
and 270 N·m (199 ft·lb) of torque		 225 km/h (140 mph) 9.3 seconds
SL320 3.2 L M104 I6 170 kW (228 hp; 231 PS)
and 315 N·m (232 ft·lb) of torque		 240 km/h (149 mph) 8.4 seconds
SL500 5.0 L M119 V8 235 kW (316 hp; 320 PS)
and 470 N·m (346 ft·lb) of torque		 250 km/h (155 mph) 6.5 seconds
SL600 6.0 L M120 V12 290 kW (389 hp; 394 PS)
and 570 N·m (420 ft·lb) of torque		 250 km/h (155 mph) 6.1 seconds
Late 1998–2001
SL280 2.8 L M112 V6 150 kW (201 hp; 204 PS)
and 270 N·m (199 ft·lb) of torque		 232 km/h (144 mph) 9.5 seconds
SL320 3.2 L M112 V6 165 kW (221 hp; 224 PS)
and 315 N·m (232 ft·lb) of torque		 238 km/h (148 mph) 8.4 seconds
SL500 5.0 L M113 V8 225 kW (302 hp; 306 PS)
and 460 N·m (339 ft·lb) of torque		 250 km/h (155 mph) 6.5 seconds
SL600 6.0 L M120 V12 290 kW (389 hp; 394 PS)
and 570 N·m (420 ft·lb) of torque		 250 km/h (155 mph) 6.1 seconds
Powertrains (AMG)
Model Engine Horsepower & Torque Top Speed 0-100 km/h (0-62 mph) Number Produced
SL 55 5.4 L M113 V8 260 kW (349 hp; 354 PS)
and 530 N·m (391 ft·lb) of torque		 270 km/h (168 mph) 5.8 seconds 65 units
SL 60 6.0 L M119 V8 280 kW (375 hp; 380 PS)
and 580 N·m (428 ft·lb) of torque		 250 km/h (155 mph) 5.8 seconds 633 units
SL 70 7.1 L M120 V12 365 kW (489 hp; 496 PS)
and 720 N·m (531 ft·lb) of torque		 250 km/h (155 mph) 5.0 seconds 150 units
SL 72 375 kW (503 hp; 510 PS)
and 750 N·m (553 ft·lb) of torque		 298 km/h (185 mph) 4.8 seconds 35 units
SL 73 7.3 L M120 V12 386 kW (518 hp; 525 PS)
and 750 N·m (553 ft·lb) of torque		 320 km/h (199 mph) 4.5 seconds 50 units

Australian market

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The new Mercedes Benz R129 roadster was first introduced into the Australian market in May 1990 with the 500SL model.[7][8][9][10] The 600SL followed in May 1993, while a 6 cylinder SL did not arrive until the SL280 in October 1995.

Only 38 cars of the 600SL/SL 600 were delivered to the Australian market.

North American market

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Not all engines were offered in North America. The 1990 Mercedes-Benz SL base model was the 228 hp 300 SL version[11] (European 300 SL-24) equipped with a five-speed manual or five-speed automatic transmission, but it was the 322 hp 500 SL (with a 5.0-litre V8 engine) which made the most headlines. For model year 1993, the 600 SL was additionally introduced stateside.[12]

The SL 320 replaced the 300 SL in the United States in 1994, but the SL 280 was not offered.[11] The 6-cylinder SLs were dropped from the US lineup in 1998,[12] leaving just the V8 and V12.

Chassis

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1990–1995

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Front suspension Independent damper struts with separate coil springs and gas-pressurised shock absorbers, triangular lower control arms with anti-dive geometry and stabiliser bar.

Rear suspension Independent 5-arm multilink with separate single-tube gas-pressurised shock absorbers and coil springs, geometry for anti-lift, anti-squat and alignment control, stabiliser bar.

Wheels 8.0Jx16H2 aluminium alloy and regular.

Tyres 225/55 ZR 16 steel-belted radial.

Brakes 2-circuit hydraulic power-assisted 4-wheel discs. Antilock Braking System (ABS).

1996–1997

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Body construction Monocoque with front and rear crumple zones and removable hardtop.

Front suspension Independent damper strut with anti-dive geometry and stabiliser bar. Separate shock absorbers and coil springs. Negative-offset steering.

Rear suspension Independent 5-arm multilink with geometry for anti-lift, anti-squat and alignment control and stabiliser bar. Separate shock absorbers and coil springs.

Steering Recirculating ball with speed-sensitive power assist and hydraulic damper. Steering wheel turns (lock-to-lock) 3.0.

Tyres Steel-belted radials. Performance 225/55ZR16.

Wheels aluminium alloy 8.0Jx16 H2.

Brakes 2-circuit hydraulic power-assisted 4-wheel disc. Ventilated front, solid rear brake discs.

Antilock Braking System (ABS) ABS senses impending wheel lock-up under heavy braking and pumps the front brakes individually or the rear brakes together (to help maintain stability), as needed, up to 30 times per second to prevent lock-up and maintain steering ability.

Dimensions

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1990–1995

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300 SL

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Wheelbase 99.0 in

Curb weight
1989 1,800 kg (3,970 lb)
1991 1,819 kg (4,010 lb)
1993 1,830 kg (4,035 lb)
1994 1,855 kg (4,090 lb)

Boot capacity 7.9 cu ft

Fuel capacity 79.9 L – 21.1 gal (US) 17.5 gal (Imp)

500 SL

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Wheelbase 99.0 in

Curb weight
1989 1,880 kg (4,145 lb)
1993 1,889 kg (4,165 lb)
1994 1,890 kg (4,167 lb)

Boot capacity 7.9 cu ft

Fuel capacity 79.8 L – 21.1 gal

600 SL

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Wheelbase 99.0 in

Curb weight 2020 kg – 4,455 lb

Boot capacity 7.9 cu ft

Fuel capacity 79.8l 21.1 gal

Special editions

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AMG offerings

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1995–1998 Mercedes-Benz SL 60 AMG
 
1995–1998 Mercedes-Benz SL 60 AMG
 
1999 Mercedes-Benz SL 73 AMG

AMG had already offered an SL version while still independent, the AMG 500 SL 6.0 of 1991. After being taken over by Daimler-Benz, there were several AMG SL-models available through D-B dealers.

The SL 60 AMG was the most numerous of these rare cars. Sold from 1993 to 1998, it used a 6.0 litres (5,956 cc) V8 engine producing 375 hp (380 PS; 280 kW) at 5,500 rpm.[6][13] AMG claimed a 0–100 km/h (62 mph) speed of 5.4 seconds. Its top speed was limited to 250 km/h (155 mph).

Extremely rare was the SL 72 AMG, with a 7.1 litres (7,055 cc) engine, sold through Mercedes-AMG in 1995, and offering the most powerful V12 engine ever put into an SL up to that time with 510 PS (375 kW; 503 hp). Only 35 cars were made.[14]

After a brief hiatus, the SL 73 AMG was offered with the new M120 engine 7.3 litres (7,291 cc) from 1997 to 2001, with a bore x stroke of 91.5 mm × 92.4 mm (3.60 in × 3.64 in) DOHC 4 valves per cylinder, fuel fed by naturally aspirated Bosch HFM fuel injection and a compression ratio of 10.5:1, producing 518 hp (525 PS; 386 kW)[6] at 5,500 rpm and 750 N⋅m (553 lbf⋅ft) at 4,000 rpm of torque,[15] which was later used also by Pagani in the Zonda, enabling the SL 73 to set off from 0 to 100 km/h (62 mph) in no longer than 4.5 seconds, while achieving a top speed of above-320 km/h (199 mph). Only 50 cars were made.[16][17][18]

Also very rare is the SL 70 AMG which was powered by a 7.1 litres (7,055 cc) V12 engine developing 496 PS (365 kW; 489 bhp) at 5,500 rpm and a maximum torque of 720 N⋅m (531 lbf⋅ft) at 3,900 rpm. It was a bored out version of M120 6.0 V12 and with a longer stroke. Produced between 1996 and 1997 in 150 units.[19]

The SL 55 AMG was sold in the R129 body style from 1998 to 2001 in limited numbers (5.4L V8, 349 hp (354 PS; 260 kW)[6] at 5,500 rpm). It was the predecessor of the production R230 SL 55 AMG sold later, albeit was normally aspirated in the R129 and not supercharged as in its R230 successor. 65 cars were made.[20]

Only about 300 (without the SL 60) cars in the SL-class were customised by AMG prior to the 2003 model year.

Mille Miglia Edition

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In 1995 Mercedes released the Mille Miglia edition, to commemorate the 40th anniversary of Stirling Moss's win of the 1955 Mille Miglia road race. The limited edition was available in either SL 280, SL 320, or SL 500 guise; came in Brilliant Silver metallic; and had Evo II six-spoke polished alloys, red and black leather interior, carbon-fibre trim and extra equipment. Stirling Moss was given the first SL 500 built. According to the brochure of this special edition, only 600 pieces were to be built, however only 40 were built.

Silver Arrow Edition

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Silver Arrow Edition

A special edition of 2002 SL 500/SL 600 was made to celebrate the 1930s Silver Arrow race car. It had full AMG body package, painted in Silver Arrow only special 777 metallic paint, special Silver Arrow designation on interior and exterior badging, two-tone silver and black interior, leather on steering wheel and seats, Silver Arrow illuminated sill plates, Silver Arrow leather bordered floor mats, special dark wood, and special BBS 2 piece wheels with polished stainless steel beauty rings. For the US market, only 1550 Silver Arrow units were produced; 100 units of the SL 600 and 1450 units of the SL 500. For the UK market, just 100 Silver Arrows were made, all of which were SL 500 models.

Other editions

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Several other editions were released of the 129 body SL. These include:

  • 40th Anniversary Roadster Edition (1997)
  • La Costa Edition (1997)[21]
  • Sport model SL 320 included AMG staggered tire setup (1997)
  • Special Edition (1998)
  • Final Edition (2000)
  • SL Edition (2000)
  • Designo Slate Blue Edition (North America, 2000-01)
  • Designo Black Diamond Edition (North America, 2000-01)
  • F1 Edition (2001)

Media attention

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Princess Diana's Mercedes 500 SL

The R129 received heightened media attention in 1991 for two reasons.

Diana, Princess of Wales sold her Jaguar XJS to lease a metallic-red 500 SL and became the first member of the royal family to use a foreign car. This was not without controversy as it sparked a media storm as it questioned whether a member of the British royal family should drive a foreign car.[22] Media pressure eventually forced her to return the car to Mercedes-Benz in 1992. It now resides in the Mercedes-Benz Museum.[23]

Victor Chang, Companion of the Order of Australia and Australian of the Century (People's Choice Awards) was a pioneer of modern heart transplantation, fatally shot while driving his 500SL in Sydney.[24][25]

References

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  1. ^ "300 SL / R 129 E 30, 1989 - 1993". mercedes-benz-publicarchive.com. Retrieved 5 April 2024.
  2. ^ Werner Oswald: Deutsche Autos 1945–1990, vol.5. Motorbuch Verlag, Stuttgart 2001, ISBN 3-613-02131-5, p. 165.
  3. ^ a b c Eberhard Kittler: Deutsche Autos seit 1990, vol. 6. Motorbuch Verlag, Stuttgart 2001, ISBN 978-3-613-02052-8, p. 215.
  4. ^ Auto Katalog, 2003 edition, p. 312. Note: Figures for 2001 are for calendar year and include early R230 production. Actual Grand Total for R129 probably around 203,000 units.
  5. ^ a b Brian Long: Mercedes-Benz: SL R129 Series 1989 to 2001.. Retrieved 14 February 2015.
  6. ^ a b c d e f g h i j k l m "Technology platform: Mercedes-Benz SL, R 129 series (1989-2001) | marsMediaSite". media.daimler.com. Retrieved 27 October 2017.
  7. ^ Long, Brian (18 March 2013). Mercedes-Benz SL – R129-series 1989 to 2001. Veloce. ISBN 978-1-845844-48-6.
  8. ^ Kenwright, Joe (1 January 2006). "$100,000 Prestige Buys". Motoring. Australia. Retrieved 31 October 2017.
  9. ^ Kenwright, Joe (22 September 2006). "Used Car Advice: Mercedes-Benz R129 500SL/SL500". Motoring. Australia. Retrieved 31 October 2017.
  10. ^ "Mercedes R129 – buy them now". The Classic Motorist. Australia. Retrieved 31 October 2017.
  11. ^ a b "Mercedes SL500 R129 1990s History". www.kenrockwell.com. Retrieved 27 October 2017.
  12. ^ a b "Buyers Guide - 1990-2002 R129 SL500/SL600 Roadsters". MBCA. 19 August 2010. Archived from the original on 27 October 2017. Retrieved 27 October 2017.
  13. ^ Automobil Revue, catalogue edition 1995, p. 380.
  14. ^ "Be the Envy of the Neighborhood with This Mercedes SL 72 AMG".
  15. ^ "1999 Mercedes-Benz SL 73 AMG R 129 R 129 E 73". Carfolio.com. 19 June 2013. Retrieved 10 August 2018.
  16. ^ "Be the Envy of the Neighborhood with This Mercedes SL 72 AMG".
  17. ^ "Mercedes-Benz AMG SL73: 525hp and only 85 constructed". 5 August 2011. Retrieved 1 November 2018.
  18. ^ "SL 73 AMG". mercedes-benz-publicarchive.com. Retrieved 16 March 2024.
  19. ^ "1998 Mercedes-Benz SL 70 AMG | Essen". RM Sotheby's. Retrieved 29 July 2022.
  20. ^ "Allgemeine Daten vom SL 55 AMG". Retrieved 27 November 2012.
  21. ^ "Mercedes-Benz Offers Limited-Edition SL500 Models to Commemorate Mercedes Championships". www.theautochannel.com. Retrieved 21 February 2019.
  22. ^ "Diana Vrooms, Unbritishly, In a Mercedes". The New York Times. 5 February 1992. Retrieved 12 May 2010.
  23. ^ stephenhanafin Stephen Hanafin (25 March 2007). "Princess Diana's Mercedes 500SL on Flickr – Photo Sharing!". Flickr.com. Retrieved 1 October 2010.
  24. ^ Doyle, Grant. "THE HEART OF THE MATTER". DIGITAL DONE WRITE. Retrieved 30 April 2021.
  25. ^ Agence France-Presse (23 December 1992). "Two Malaysians Jailed for Killing Heart Surgeon". New Straits Times: p. 1. Accessed 18 August 2009.
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