Used 2004 Mercedes-Benz SL-Class Pricing


Consumer Rating
(101)

2004 Highlights

The V12 SL600 is added to the lineup, while the SL500 gets an industry-first seven-speed automatic transmission and an integrated "Keyless Go" keyfob.


Pros

  • Seductive style, quick folding retractable hardtop, commendable performance, ride and handling.

Cons

  • Heavy for a "sports car," limited cargo capacity.

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Vehicle Photo

Features & Specs

SL55 AMG 2dr Convertible (5.4L 8cyl S/C 5A)SL500 2dr Convertible (5.0L 8cyl 7A)SL600 2dr Convertible (5.5L 12cyl Turbo 5A)
MPG151714
Seating222
Transmission5-speed shiftable automatic7-speed shiftable automatic5-speed shiftable automatic
Fuelgasgasgas
Horsepower493 hp @ 6100 rpm302 hp @ 5600 rpm493 hp @ 5000 rpm

Safety

IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
  • Side Impact Test
    Not Tested
  • Roof Strength Test
    Not Tested
  • Rear Crash Protection / Head Restraint
    M
    Marginal
  • IIHS Small Overlap Front Test
    Not Tested
  • Moderate Overlap Front Test
    Not Tested

Top Consumer Reviews

Read what other owners think about the 2004 Mercedes-Benz SL-Class

(101)

Consumer Rating


2004 Mercedes-Benz SL500 - UNRELIABLE
Well, here we go. I bought my SL500 in March of '04 and immediately the top failed. It was recalled for brakes in June. Its transmission failed and had to be replaced in October. Rains came in November and the trunk/top leaked. The dealer assured me that this was an "isolated" incident. Unfortunately it happened to me. They had to replace the trunk hinges. I have never owned a car that had trunk hinges fail, have you? Also, its brakes are really wierd, no feel. I thought I was buying Germany's best, but alas I bought a Plymouth with a three pointed star on the hood. What a shame. That star use to mean something.
TOTAL NIGHTMARE!!!
I purchased a pre-owned SL600 in spring 2013, and problems occurred almost immediately after leaving the lot. Dash displayed a TPMS issue, so I brought it back to find out that sensors for this were never installed but I could add them for $200 per tire. Less than 3 mo/3,000 miles later a hydraulic suspension hose burst lowering the car to the ground, and replacement for this was nearly $3,000. Even after repair the mechanics were not able to clear the suspension error in the system. Jump ahead another couple of months and I am roadside again, with a tire blowout due to an improperly mended cracked wheel. The Dealer was kind enough to cover replacement of this however. The water pump also failed shortly thereafter. Over the next couple of years of ownership, I racked up quite a service history. Brake assist system failure and replacement, more suspension parts, interior and exterior door handles, folding roof mechanism, wheel bearings, battery, differential replacement, several other issues, and regular but expensive maintenance. Repairs and service exceeded 70% of the original purchase price (which was not cheap) and the warranty barely covered half of this. With a total of 35 days in the shop and 5 roadside breakdowns over 3 years I did get pretty familiar with the new models and the loaner program, which was nice. But for the price I had to pay to keep this car drivable I could have hired a car service. Operating cost was over $2.50/mile for less than 17,000 miles, not including gas, tires and other consumables. The car was a humiliating laughing stock at the office, and I actually feared driving it not only for my own safety but anticipating the next catastrophic repair. When I returned the car it was explained to me that it still needed at least $5,000 of work, but I had enough. The way I see it, either the dealer was aware of the many issues with this car and didn’t disclose them, or did not thoroughly inspect and sort them out before purchase (maybe both). Neither explanation is acceptable. I will never again purchase a Mercedes-Benz product.
Premium Price -Poor Quality?
Beautiful car that gets a lot of looks. Fit and finish are right on par with what you would expect from a Mercedes. We have had many problems with the quality of this car: Broken interior panels, faulty anti-lock relay, faulty anti-lock brake pump, broken baffles inside gas tank (had to replace gas tank!). Now the ignition system has just failed. 53,250 miles, and many rented loaners. We are glad to have bought the extended warranty.
Used 2004 Mercedes-Benz SL-Class Overview

Pre-owned Mercedes-Benz SL-Class models are available with a 5.4 L-liter gas engine or a 5.0 L-liter gas engine or a 5.5 L-liter gas engine, with output up to 493 hp, depending on engine type. The Used 2004 Mercedes-Benz SL-Class comes with rear wheel drive. Available transmissions include: 5-speed shiftable automatic, 7-speed shiftable automatic.

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