Mercedes-Benz SL R129
The pinnacle of over-engineered luxury and Bruno Sacco's timeless design.
- Power
- 320 bhp
- 0–60 mph
- 6.2 s
- Top speed
- 155 mph
- Est. value
- $10k–$35k
About the Mercedes-Benz SL R129
The R129-generation SL 500 represents the high-water mark of Mercedes-Benz engineering, developed during an era where quality was prioritized over cost. It introduced pioneering safety features, including an automatic pop-up roll bar and magnesium-framed seats with integrated belts. The 5.0-litre M119 V8 engine is widely regarded as one of the brand's finest powerplants, offering effortless torque and bulletproof reliability. While heavy, the R129's sophisticated multi-link rear suspension and optional adaptive damping provide a composed, grand-touring experience that remains remarkably modern today.
Mercedes-Benz SL R129 specs
The Mercedes-Benz SL R129 produces 320 bhp (239 kW) and 470 Nm (347 lb-ft) of torque. It reaches 60 mph in 6.2 seconds and has a top speed of 155 mph (250 km/h).
| Make | Mercedes-Benz |
|---|---|
| Model | SL |
| Generation | R129 |
| Trim | SL 500 |
| Years | 1989–2001 |
| Type | Sports car |
| Body style | Roadster |
| Country | Germany |
| Original price | About $90,000 when new |
| Engine | 5.0-litre DOHC 32-valve V8 |
|---|---|
| Displacement | 4,973 cc (5.0 litres) |
| Induction | Naturally aspirated |
| Power | 320 bhp (239 kW) at 5,600 rpm |
| Torque | 470 Nm (347 lb-ft) |
| Redline | 6,000 rpm |
| 0–60 mph | 6.2 s |
| Top speed | 155 mph (250 km/h) |
| Transmission | 4-speed automatic |
| Drivetrain | Rear-wheel drive |
| Weight | 1,800 kg (3,968 lb) |
| Power-to-weight | 178 bhp per tonne |
Typical figures for the standard car; options, markets and model years vary. Where our specs come from
How much is a Mercedes-Benz SL R129 worth?
A typical Mercedes-Benz SL R129 is estimated to be worth $9,500 – $35,000 (about £7,100 – £26,000).
Its original price when new was about $90,000.
Values are directional estimates for a typical example, not appraisals. Condition, mileage, history and specification all change what a real car is worth. Pound figures use the exchange rate of 3 November 2026. How values are estimated
Mercedes-Benz SL R129 rarity in CarSpot
The Mercedes-Benz SL R129 is an Uncommon card in CarSpot, with a rarity score of 16 out of 100. Hot hatches and premium sporty cars. An Uncommon card is worth 20 XP.
Each model's tier starts from a 0–100 score based on its value plus its power or production numbers. Once enough players have spotted a model, how often it is spotted can move it up or down one tier. How CarSpot rarity works
Rarity is a collectible game mechanic, not an assessment of real-world scarcity or value.
Mercedes-Benz SL R129 fun facts
- The R129 was the first production car to feature an automatic roll bar that could deploy in just 0.3 seconds if sensors detected a rollover.
- Princess Diana famously traded her Jaguar XJS for a metallic red 500 SL in 1991, making her the first member of the British Royal Family to drive a foreign car.
- The 1995 model year was a transition point, featuring the final year of the 4-speed automatic before the 5-speed unit was introduced for the 1996 facelift.
