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Resources for the Repair and Maintenance of your Mercedes-Benz SL500

Mercedes-Benz SL500 Models:

Image for car images Mercedes Benz 1994 1995 Mercedes Benz SL size thumb Image for car images Mercedes Benz 1996 1997 Mercedes Benz SL size thumb Image for car images Mercedes Benz 1998 2000 Mercedes Benz SL size thumb Image for car images Mercedes Benz 2001 2002 Mercedes Benz SL size thumb Image for car images Mercedes Benz 2003 2007 Mercedes Benz SL500 size thumb

Mercedes-Benz SL500 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.

Engine -- Verified

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

Miscellaneous -- Verified

As vehicles age, various problems may develop with the hard and soft tops. If problems are encountered, it would be recommended to have a technician familiar with these tops perform the diagnoses.

Drive Train -- Verified

Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.

Suspension & Steering -- Verified

The lower control arm bushings can wear and crack, resulting excessive movement at the control arm pivot point, leading to irregular and premature tire wear. Worn Ball joints can also cause similar tire wear symptoms. I some cases it may be necessary to replace the lower control arm, including bushings & ball joint to correct this concern.

Mercedes-Benz SL500 Recalls (Recent)

Body, Interior & Misc., November 15, 1996

Summary: IF ONE OF THE HEADLAMP WIPER ARMS BECOMES MISALIGNED, THE WIPER BALDE CAN LODGE IN THE GROOVE UNDER THE HEADLAMP. IF THE WASHERS ARE ACTIVATED WITH THE WIPER BLADE IN THE MISALIGNED AND LODGED POSITION, THE WASHER PUMP WILL RUN CONTINUOUSLY EXPELLING ALL AVAILABLE FLUID.

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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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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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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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Engine, April 22, 1996

Summary: THE DRIVE BELT PULLEY ON THE ENGINE CAN DEVELOP FATIGUE CRACKS IN THE METAL AND BREAK. IF THE DRIVE PULLEY BREAKS, THE CAR WOULD NOT HAVE ENGINE COOLING, BATTERY CHARGING, AND/OR POWER STEERING.

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Mercedes-Benz SL500 Questions and Answers

sharony, 1994 Mercedes-Benz SL500, Jersey City, NJ

I need to replace the cluster in my 1991 sl500 and now I can't release the hard top, it makes a click and then nothing happens could this have something to do with the cluster?

Shawn94SL500, 1994 Mercedes-Benz SL500, Lakewood, CA

Can I replace the manual a/c / heater control in my '94 SL500 with the newer ('99+) electronic control unit? I really like the look and use-ability of the newer unit. Is this a "plug...

Visitor, 1994 Mercedes-Benz SL500, Ardmore, TN

How can I access the dashboard area to reach the rear of the radio of my 1994 SL500 to add my Sony 10-disc CD player? I would like to add this to my car as it is still a very good useable unit and...

Visitor, 1994 Mercedes-Benz SL500, Muscle Shoals, AL

I put new battery in 6 mths ago. Car was not driven for3 months during which time battery went dead. Now battery won't jump start or charge. What could cause this and/or fix this?

darin94merc, 1994 Mercedes-Benz SL500, Sugar Land, TX

Sometimes if I simply turn the car off and then back on it starts blowing cold again.
At time it may take a week to 10 days for it to start working again & it will work fine for 2-4 weeks. What...

Write a Review About Your Car

Mercedes-Benz SL500 Reviews

this car is a problem to the extent I would NEVER consider another Mercedes, at any price. they are junk. Batteries, top, Brake light, you name it. JUNK

You folks at Mercedes need to do a better job of making these cars...100K for a 2002 when new now sells for under 10K in 2013!
Why?
So many problems and items needing to be fixed! This car company prides itself on making a quality vehicle but most second or third owners have nothing but headaches! I have maintained my SL according to recommendations put forth by Mercedes and yet..I still keep spending money! I will never recoup it and no one wants to buy my headaches.

Bought a 2006 SL500 in 2010, had 21000 miles on it.
Thought this was a superior automoblie especially due to the price I paid.
I've spent over 6000 dollars so for on the this car.
1) new seals for leaky roof
2) new valve body box R&R
3) new front struts
4) scheduled maintenance.
I've have own cars that were less pricey but they were way more reliable. I'm disappointed in Mercedes. Last one I will ever own.

JUST PURCHASED MY 2003 SL-500 W/49,000 MILES JULY 2012....SINCE HAVE REPLACED A ABS/SBC/AND NOW THE ABC NEEDS REPLACED ..THEY DIDN'T TELL ME THAT MY WALLET HAD A PUMP IN IT ..LOVE THE CAR BUT TOTALLY DISSAPOINTED IN THE CUSTOMER SATISFACTION....MERCEDES YOU HAVE LET ME DOWN ! IF YOU BUY A MERCEDES YOUR REPAIR BILLS IS MORE THAN YOUR PAYMENTS!

I bought this from the first owner who put a whopping 55,000 miles on it in 15 years. The biggest problem showed up after I got it home and removed the hardtop-the pillar cylinders started leaking. [Tow #1]. I had all 12 replaced and so far, so good. This was likely because the owner did not remove the hardtop and exercise the convertible top. I had another incident when the instruments died and the brake lights ceased working. After I replaced fuses twice, MB towed it in [#2], gave me a loaner and repaired the problem-the insulation on some of the wires for the 3rd brake light were worn and causing the short. This car is beautifully styled, handles great and runs like a rocket.