Mercedes-Benz 500SL Repair and Maintenance - Get an online auto repair estimate for your Mercedes-Benz 500SL
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Mercedes-Benz 500SL Repair and Maintenance
Mercedes-Benz 500SL Model Years
Mercedes-Benz 500SL Questions and Answers
my screen, 1993 Mercedes-Benz 500SL, Gasoline, Beverly Hills, CA
Hi, can you provide instructions on locating and cleaning the mass air flow sensor(s)? for my 93 500SL
kurtbreiling, 1990 Mercedes-Benz 500SL, Gasoline, Sterling Heights, MI
yearly cost of repairs expected on a 1989 560sl with 100k miles. driven 5k miles per year. Any estimation or insight would be appreciated. well maintained vehicle.
FrankJansz, 1991 Mercedes-Benz 500SL, Gasoline, Jasper, FL
Dear Friend,
'My Soft Top on The Merc/500SL works Manually, and it Does not Operate Elictrical ( is it A Electrical Fault or is it a Hydraulic Fault, or What do I look for, and How can I make it wo...
96 S500. Failed emission test. Changed the O2 sensor, however, mechanic said I need to drive the cay 100 miles for the system to reset. I did and went back for retesting, mechanic said the car is s...
baby blue, 1992 Mercedes-Benz 500SL, Gasoline, Fort Worth, TX
Oil pressure is normal. Oil level is normal. No leaks. Car ran normally. Sat for several hours. Started up and heard loud tapping noise at front of engine. Not sure if this is a water pump or ...
Ed R, 1993 Mercedes-Benz 500SL, Gasoline, Pomona, CA
Shifter on 2004 SL500 gets stuck in Park, able to shift eventually and once out of park can shift from drive to reverse - on downhill shift lock is more pronounced and more difficult to remedy.
piet, 1992 Mercedes-Benz 500SL, Gasoline, Arcadia, KS
the temp. gauge over reads, the oil pressure cuts out,the vacum reads wrong, the fuel gauge works on and off,and the speedo over reads. was not like that.
godsend, 1991 Mercedes-Benz 500SL, Gasoline, La Junta, CO
MY ASR LIGHT COMES ON SOMETIME,APPLYING MY BRAKES 2/3 POWER TO THE REAR WHEELS, GOES OFF WHEN THE ENGINE IS OFF.
COMES AND GOES ON WHEN IT FEELS LIKE IT. I HAVE ONE TIRE THAT IS NEWER THEN THE OTH...
JR1947, 1992 Mercedes-Benz 500SL, Gasoline, Conroe, TX
I am looking for a repair schematic for the soft top repair for the hydraulic cylinders. I need to replace the left side cylinder that lifts the soft top. It is the smaller one inside the lift mec...
Anonymous, 1991 Mercedes-Benz 500SL, Troy, AL
How to reset radio code. The words wait show up
91mbsl, 1991 Mercedes-Benz 500SL, Pottstown, PA
The hard top now won't release and I was having trouble with raising and lowering the convertible top. I would have to push down on the switch to get activation.
Mercedes-Benz 500SL Car Reviews (1)
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I have been a Mercedes Benz Owner since The Early 196'0 And I can not Fault The Quality of The Mercedes, This is the first Mercedes SL 500 Convertable, that I now own, amongst 2 other Mercs which I currently own, I Find The SL 500 lots of fun to Drive, and highly recommend the Vehicle to any-one who belives in SAFE PRESTIGE MOTORING.
It is a Great Car/Roadster.it Performs when you require it to perform, It is also a Great Looking Vehicle.
Once you own one I strongly Believe that you will never Look Back, EVEN PRINCESS DIANA of the United Kingdom owned This Same Model .if its fit for a Princess I believe it tells many stories..
Many of T.V. Personalties and Movie Stars have also owned one of These Models.
I would not part with mine for All the Money or Replace it with A Imitation Japenese Vehicle, and State that it is one of The SAFEST ROADSTERS in the Market.
Kind Regards
FRANK (SMOKEY) JANSZ
ABC FINANCIAL SOLUTIONS PTY: LTD:
MELBOURNE,
AUSTRALIA
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Mercedes-Benz 500SL Problems
| Brakes |
- Due to the size and materials of the brakes on these vehicles, the brakes start to squeak around the 50 percent wear point. The brake rotor surfaces become uneven, causing a lip to form at the outer edge of the rotor. Because of this, the rotors are usually replaced when the pads are worn (pad life varies depending on driving style and terrain).
- Brake fluid should be flushed every two years to prevent premature anti-lock brake system (ABS) failure.
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| Engine |
- Oil leaks develop from the head gasket and timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix.
- Radiators break due to degradation of the plastic tanks and fittings.
- Older vehicles should have the cooling system serviced even if the mileage is low. The hoses can look good on the outside, but the rubber can degrade and erode on the inside. If not carefully checked, the hoses can burst at any time.
- Oil feed tubes break and fall into the crankcase (engine) and the tappet becomes noisy (ticking), resulting in degraded idle quality. Our technicians recommend replacing all of the tubes at the same time, broken or not.
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| Exhaust & Emissions |
- Ports in the cylinder head related to the emissions air injection and EGR systems can clog; the cylinder head should be removed and the ports cleaned.
- A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.
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| Suspension & Steering |
- Irregular and premature tire wear can be caused by the lower control arm bushings cracking and causing excessive movement at the control arm pivot point. Ball joints can also wear out prematurely, causing similar tire wear symptoms.
- The tie rod ends, drag link, and idler arm in the linkage of the steering system can wear out.
- There is a steering dampening shock that will leak fluid when it goes bad.
- A knocking noise from the front end can be caused by cracked strut tower bushings.
- Vehicles with level control that ride harshly in the rear (no give in the suspension, like you are riding on a brick) may have bad dampening actuators. The actuators should be replaced in pairs.
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| Drive Train |
- A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage to the driveshaft center support bearing, or, in the worst case scenario, damage to the transmission or differential.
- High mileage vehicles can leak from the transmission oil seals.
- High mileage or older vehicles develop leaks at the differential seals and cover; the whole unit needs to be resealed to repair the leaks.
- The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.
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| Electrical & Lights |
- The insulation degrades on the engine wiring harnesses because the insulating material falls off of the wires and leaves the conductors exposed. This can cause many problems depending on which wires are exposed and what they touch.
- Throttle valves can suffer electrical failure.
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| Heating & Air Conditioning |
- Other than a defective motor, a bad switch or blower motor resistor assembly can cause inoperative heater blower motors.
- Leaks at the AC compressor, hose manifold for the compressor, or the evaporator core can cause poor AC performance.
- The climate control system can fail or perform erratically due to internal wear in the climate control unit buttons.
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Mercedes-Benz 500SL Recalls and TSBs
Mercedes-Benz 500SL Recalls (Recent)
Campaign Number: 93V067000
Dates Manufactured:
09/1989 to 08/1992
Number of Vehicles Affected: 14,300
Date Owner Notified: 05/1993
Defect Summary: DURING THE REMOVAL AND INSTALLATION OF THE AIR FILTER HOUSING WHILE SERVICING THE VEHICLE, IT IS POSSIBLE TO MISROUTE THE PREFORMED VACUUM HOSE AND DAMAGE THE CHECK VALVE IN THE VACUUM HOSE. IF THE CHECK VALVE IS DAMAGED, LOSS OF SUFFICIENT BRAKE POWER ASSIST WILL OCCUR.
Consequence Summary: LACK OF SUFFICIENT BRAKE POWER ASSIST WILL INCREASESTOPPING DISTANCE AND COULD RESULT IN A VEHICLE ACCIDENT.
Corrective Summary: REPLACE THE PREFORMED VACUUM HOSE WITH A NEWLY DESIGNED PREFORMED HOSE WITH A RELOCATED CHECK VALVE WHICH WILL ELIMINATE THE POSSIBILITY OF THE CHECK VALVE BEING DAMAGED.
Recall Notes: SYSTEM: BRAKES.VEHICLE DESCRIPTION: PASSENGER CARS.
Mercedes-Benz 500SL Technical Service Bulletins (Recent)
None reported.
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