CARCARETOOL VEHICLE GUIDE

Mercedes-Benz Roadster

Mercedes-Benz Roadster — 2004–2010, 2-door coupé2-door roadster2-door speedster (stirling moss), 5439 cc supercharged ''M155 SLR'' V8. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Engine5439 cc supercharged ''M155 SLR'' V8

Transmission5-speed ''5G-Tronic'' automatic

About the Mercedes-Benz Roadster

Mercedes-Benz Roadster is a 2-door coupé2-door roadster2-door speedster (Stirling Moss) in the grand tourer (s) class, with source data covering 2004–2010. The available vehicle data lists 5439 cc supercharged ''M155 SLR'' V8 as an engine configuration, paired with 5-speed ''5G-Tronic'' automatic and a Front mid-engine, rear-wheel-drive layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Mercedes-Benz Roadster guide focuses on the details drivers commonly want to know, including engine information for 5439 cc supercharged ''M155 SLR'' V8 and 5-speed ''5G-Tronic'' automatic transmission information. Exact specifications should be matched to the relevant model year and market.

Mercedes-Benz Roadster specifications at a glance

Use this table for the model-level essentials. Exact figures may vary by year, trim, engine and market.

Make	Mercedes-Benz
Model	Roadster
Model years	2004–2010
Body style	2-door coupé2-door roadster2-door speedster (Stirling Moss)
Vehicle class	Grand tourer (S)
Manufacturer	* Mercedes-Benz * McLaren Automotive
Production	2003–20102,157 produced
Market / country	FI, NL
Doors	Butterfly

Engine, transmission and performance

Engine information for the Mercedes-Benz Roadster includes 5439 cc supercharged ''M155 SLR'' V8.. Transmission information includes 5-speed ''5G-Tronic'' automatic.. The listed drivetrain/layout is Front mid-engine, rear-wheel-drive.

Engine	5439 cc supercharged ''M155 SLR'' V8
Transmission	5-speed ''5G-Tronic'' automatic
Drivetrain / layout	Front mid-engine, rear-wheel-drive

Dimensions, weight and practicality

Dimensions and capacity figures are presented as published source data when available.

Wheelbase	2700 mm (106 in)
Length	4656 mm (183 in)
Width	1909 mm (75.2 in)
Height	1261 mm (49.6 in) 2006–08: 1252 mm (49.3 in)
Kerb / curb weight	1743-1768 kg lb 0 1791.5 kg (3,950 lb) (SLR Roadster)

Mercedes-Benz Roadster performance and economy

Powerout	626 PS780 Nm; 650 PS820 Nm (722 Edition/722 S/Stirling Moss)

Mercedes-Benz Roadster other specifications

Sp	uk
Name	Mercedes-Benz SLR McLaren
Image	Mercedes-Benz SLR McLaren (8615164079).jpg
Model Code	C199 (Coupe)R199 (Roadster)Z199 (Stirling Moss)

Mercedes-Benz Roadster generations and model years

Where a source covers multiple generations, CarCareTool selects the generation(s) that best match this catalog model instead of mixing unrelated variants.

Generation / scope	Years	Engine	Transmission	Drivetrain
Mercedes-Benz SLR McLaren	2004–2010	5439 cc supercharged ''M155 SLR'' V8	5-speed ''5G-Tronic'' automatic	Front mid-engine, rear-wheel-drive

TIRE PRESSURE

Recommended tire pressure for Mercedes-Benz Roadster

Check the vehicle placard or owner’s manual for the manufacturer’s cold inflation pressure. CarCareTool estimates are clearly labelled when an exact verified value is unavailable.

Normal load34 PSI front32 PSI rear

Fully loaded36 PSI front35 PSI rear

Load condition	Front	Rear	Status
Normal	34 PSI	32 PSI	Estimate
Fully loaded	36 PSI	35 PSI	Estimate

Calculate how much air to add

Frequently asked questions about Mercedes-Benz Roadster

These FAQs are generated automatically for this specific vehicle from the specifications, features and ownership data available in CarCareTool. Questions are selected by relevance so the page focuses on details that can actually be answered for this model.

What engine does the Mercedes-Benz Roadster have?

The available source data lists the Mercedes-Benz Roadster engine as 5439 cc supercharged ''M155 SLR'' V8. Engine availability can differ by model year and market.

What tire pressure should I use for the Mercedes-Benz Roadster?

For the correct setting, use the cold inflation pressure on the vehicle placard or in the owner’s manual. When CarCareTool does not have a verified configuration-specific value, its starting estimate is 34 PSI front and 32 PSI rear for normal load. This is an estimate, not an OEM recommendation.

What is the best engine oil for the Mercedes-Benz Roadster?

There is no single best engine oil for every Mercedes-Benz Roadster configuration. Use the viscosity grade and manufacturer approval specified for the exact engine in the owner’s manual.

What body style is the Mercedes-Benz Roadster?

The Mercedes-Benz Roadster is classified as a 2-door coupé2-door roadster2-door speedster (Stirling Moss).

What years was the Mercedes-Benz Roadster produced?

The available vehicle record places the Mercedes-Benz Roadster in the 2004–2010 period. Exact availability can vary by market.

What are the dimensions of the Mercedes-Benz Roadster?

The available source data lists length 4656 mm (183 in), width 1909 mm (75.2 in), height 1261 mm (49.6 in) 2006–08: 1252 mm (49.3 in), and wheelbase 2700 mm (106 in).

What transmission does the Mercedes-Benz Roadster have?

The available source data lists 5-speed ''5G-Tronic'' automatic transmission options for the Mercedes-Benz Roadster.

Is the Mercedes-Benz Roadster FWD, RWD or AWD?

The listed drivetrain/layout for the Mercedes-Benz Roadster is Front mid-engine, rear-wheel-drive.

Who makes the Mercedes-Benz Roadster?

The manufacturer listed for the Mercedes-Benz Roadster is * Mercedes-Benz * McLaren Automotive.

When was the Mercedes-Benz Roadster produced?

The available source data describes production as 2003–20102,157 produced.

How much does the Mercedes-Benz Roadster weigh?

The available source data lists a kerb/curb weight of 1743-1768 kg lb 0 1791.5 kg (3,950 lb) (SLR Roadster). Actual weight can vary with engine, trim and equipment.

Where was the Mercedes-Benz Roadster built?

The available source record lists assembly information as United Kingdom: Woking, Surrey, England (McLaren Technology).

What class of car is the Mercedes-Benz Roadster?

The Mercedes-Benz Roadster is listed in the Grand tourer (S) class.

How many doors does the Mercedes-Benz Roadster have?

The available vehicle record lists Butterfly doors for the Mercedes-Benz Roadster.

Which markets or countries sold the Mercedes-Benz Roadster?

The CarCareTool catalog currently associates the Mercedes-Benz Roadster with FI, NL. Market availability and specifications can differ.

What replaced the Mercedes-Benz Roadster?

The available vehicle data lists a later model or generation as the successor where applicable.

How often should I check the tire pressure on the Mercedes-Benz Roadster?

Check the tires regularly and before long trips, with the tires cold. Use the vehicle placard or owner’s manual as the source of the manufacturer’s recommended pressure.

Should I use the tire sidewall pressure for the Mercedes-Benz Roadster?

No. The maximum pressure printed on the tire sidewall is not automatically the vehicle’s recommended setting. Use the vehicle placard or owner’s manual for the correct cold inflation pressure.

Does the recommended tire pressure change when the Mercedes-Benz Roadster is fully loaded?

It can. Many vehicles specify a different cold pressure for heavier loads. Check the vehicle placard or owner’s manual for the exact loading condition.

Can the Mercedes-Benz Roadster have different tire pressures front and rear?

Yes. Some vehicles specify different front and rear pressures because axle loads and vehicle configurations differ. Follow the exact vehicle recommendation where available.

Data sources and verification are available in the page editor; exact specifications can vary by year, market, trim and engine.

Mercedes-Benz Roadster images

Vehicle images are shown from the stored source image records when available.