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Resources for the Repair and Maintenance of your 2004 Mercedes-Benz SL55 AMG

2004 Mercedes-Benz SL55 AMG

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2004 Mercedes-Benz SL55 AMG Problems

Suspension & Steering -- Verified

The active body control system can leak fluid from numerous areas, including the tandem pump, hydraulic lines, struts, and/or seals. If it is not repaired, the vehicle ride height could drop too low and cause damage to the undercarriage.

Miscellaneous -- Verified

Leaks in the pneumatic system will cause problems with the dynamic seats and the trunk and/or door closing assist.

Engine -- Verified

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

Suspension & Steering -- Verified

Front thrust arm and control arm bushings can crack and sometimes tear completely. If this is not repaired quickly, damage to the front subframe unit will occur, which is very expensive to repair. Updated control arms (that prevent damage to the subframe when the bushings wear out) are available.

Brakes -- Verified

The anti-lock brake system (ABS) modulator assembly may fail due to dirty brake fluid. Our technicians recommend a complete brake system flush every two years in order to help prevent this problem.

2004 Mercedes-Benz SL55 AMG Recalls (Recent)

Brakes, August 8, 2005

RepairPal Expert Overview:

Due to deterioration of the wiring harness connection or failure of the hydraulic pump, the sensotronic brake control (SBC) system may default to the hydraulic back-up mode. In the back-up mode, the driver has braking power sufficient to stop the vehicle, but greater brake pedal pressure is required and brake pedal travel will be noticeably longer. Dealers will install a bracket and replacement ground wire to the SBC pump unit on all affected vehicles. Additionally, dealers will inspect and replace the SSC pump unit in certain SL models. The Mercedes-Benz recall numbers are 2005070007 AND 2005110001.


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Brakes, October 21, 2004

RepairPal Expert Overview:

High mileage combined with a high number of brake actuations, or a high brake actuation frequency, can cause the pump motor of the SBC to run out of permissible tolerances. As a result, excessively high pressure may build the high pressure line of the brake system. If this occurs, the system will switch into the hydraulic function mode as designed. Sensotronic brake control is disabled when the brake system is functioning in the hydraulic mode. Dealers will inspect the SBC hydraulic unit and replace it if necessary to correct this concern. The Mercedes-Benz recall number is 2004 050014.

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Electrical & Lights, August 1, 2008

RepairPal Expert Overview:

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

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2004 Mercedes-Benz SL55 AMG Questions and Answers

jb_amg, 2004 Mercedes-Benz SL55 AMG, Gasoline, Rockville, MD

I have to yank on the shifter alot of times to get it out of park. Why is this happening?

jb_amg, 2004 Mercedes-Benz SL55 AMG, Gasoline, Rockville, MD

Is there a battery in the key I can replace to get the buttons to work?

shouraki, 2004 Mercedes-Benz SL55 AMG, Albertson, NY

I would like to get the service specifications of this car

evie2977, 2004 Mercedes-Benz SL55 AMG, Paragould, AR

I am wanting to buy this car but it has three engine codes in it. No dealer near me that I can take it to. Could you please tell me what these codes are c2258, c152E, c249E ? thank you so much

SL55, 2004 Mercedes-Benz SL55 AMG, Wayzata, MN

When I put the car in reverse I hear a short high pitch sqweeling sound in the front passenger side of the car. What is that and how much to fix? OR is it nothing???

Write a Review About Your Car

2004 Mercedes-Benz SL55 AMG Reviews

I can't stop smiling. UNMATCHED beauty and performance. Several people have complimented me once, twice then a third time on how beautiful this car is. I agree. Undoubtedly destined to become a classic, this car is as docile as a kitten until called upon to perform. Then it becomes a well controlled beastly powerful driving machine! The transition is pure magic. Son - park your motorbike. You can't beat this car. Side by side with a similarly powered and equipped Corvette there is just no comparison - full power acceleration in the rain thru a curve is completely stable. The Vet - look out - your sideways in an instant. I have the factory warrantee and I WILL perform the scheduled maintenance. If you don't think a special automobile is a privilege to own and care for - don't buy this car - you just don't get it.

Great car. MB need to do more R@D on the suspention. Have had to replace the supention flud pump with 90,000 miles on car. 3800.00. And has a gear shift lock out problem that will not let you shift the car out of park, 1200.00. You wold expect a car that cost that much to live up to the MB reputation for relibinlty.

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