Are there any problems with the R129 SL 500SL?
Distributor Caps – Early R129’s such as the 300 and 500 suffer damp distributor caps that cause misfires and other gremlins. Ensure you replace these distributor caps with premium brands and if you own the 500SL, there are two distributor caps.
When did the Mercedes R129 SL come out?
The Mercedes SL (R129) was without doubt one of the best cars Mercedes ever built between 1990 to 2003. The floor plan is a shortend version of the W124’s and it also shared many other parts. The R129 went through two facelifts, the first being in 1995 and the second from 1998.
Are there any problems with the Mercedes SL?
Storage Boxes Breaking – Not the most problematic but every SL that ive been in are broken. These are located in the doors and they are either jammed or the clips have snapped off. The storage within the dashboard will 90% of the time be jammed also.
Why does my Mercedes R129 break all the time?
The most popular reason for breaking is by jump starting a R129, NEVER JUMP START this Mercedes SL. These above are the main common problems with the R129 but other faults may come with old age or poor servicing throughout its life. The R129 overall is a very reliable car and is one of the best Mercedes’s ever built.
What does ABS Bas ASR light on Mercedes mean?
What do ABS BAS ASR lights mean? If any of these lights turns on and stay ON once you start to drive the car it means there is a problem with one of the following systems or related sensors. Step 1: Ensure that the main battery on your Mercedes-Benz is holding a proper charge. Mercedes-Benz cars are very sensitive to low voltage.
Distributor Caps – Early R129’s such as the 300 and 500 suffer damp distributor caps that cause misfires and other gremlins. Ensure you replace these distributor caps with premium brands and if you own the 500SL, there are two distributor caps.
What to do if your Mercedes SL Class R129 is not charging?
An alternator that is not charging will eventually leave you stuck with a dead battery. Check your charging system. If your engine is running rough and misfiring you may need to change your cap, rotors and wires. If your valve cover gaskets are leaking we will show you how to replace them. Engine running lean/rough. Maybe you have a vacuum leak.
When did the Mercedes R129 SL get a facelift?
The R129 went through two facelifts, the first being in 1995 and the second from 1998. The easiest way to tell which facelift is from the design of the rear lights. The R129 SL was the must have car of the 90’s and was featured in many hip hop/rap videos and even Princess Diana owned one.
Are there any problems with the Mercedes SL500?
Table 1. Total number of problems by model year for Mercedes Benz SL500 Model Year Number of Problems 2009 SL500 2 2006 SL500 15 2005 SL500 19 2004 SL500 57
An alternator that is not charging will eventually leave you stuck with a dead battery. Check your charging system. If your engine is running rough and misfiring you may need to change your cap, rotors and wires. If your valve cover gaskets are leaking we will show you how to replace them. Engine running lean/rough. Maybe you have a vacuum leak.
The R129 went through two facelifts, the first being in 1995 and the second from 1998. The easiest way to tell which facelift is from the design of the rear lights. The R129 SL was the must have car of the 90’s and was featured in many hip hop/rap videos and even Princess Diana owned one.
What causes the ASR light to come on on a Mercedes 500SL?
Everything pointed to the Electronic Accelerator Actuator (that checked out okay as well). After discussing the past few months with the car, we established that my problem was moisture in the R25 sensor (throttle positioning sensor) causing the ASR light to come on and the engine to go into the LH mode.
What was the problem with the ASR on my 1992 500SL?
I started having a problem with the ASR system on a 1992 500SL. I was driving on the highway when the ASR sensor light came on and the car defaulted to a “limp home mode”: The engine output power was reduced and I was able to make almost home; after stopping at a red light the battery light came on and the car completely stalled.
When did the Mercedes Benz R129 SL come out?
The Mercedes-Benz R129 SL (1990 – 2002) The Mercedes-Benz R129 SL (1990 – 2002) Helpful information Tech manuals Videos References (online) References Parts
Are there any problems with the Mercedes R129?
There was even a SL73 that was the biggest engine put into a Mercedes of that era and even bigger than the AMG’s of today. The predecessor of the R129 is the desirable R107 and the successor is the R230. Due to the little electronics on the R129, it is far less problematic than the R230, which can be plagued with electrical problems.
When to replace battery in Mercedes SL Class R129?
Replace your battery if it is 5 to 7 years old. A slipping drive belt will squeal and a broken one will leave you stranded. Check your drive belt. A broken drive belt tensioner is just as bad a a broken accessory drive belt. Is your car running a little hot in traffic?
What should I know about Mercedes Benz R129?
Welcome to our Mercedes-Benz R129 Technical Articles section. We’ve gathered a vast collection of useful articles to help you perform many repairs and upgrades on your Mercedes-Benz. Save money by doing your own work and perform the repairs using the information we’ve provided here.
Is the rollbar light on on the SL 500?
7 people found this helpful. 1998 Mercedes sl 500 my rollbar light &top light on but top working & rollbar work when open and close top That all happen after battery dead and I try to start T.Y. 30 people found this helpful.
What to do if your Mercedes SL Class R129 is running rough?
Check your charging system. If your engine is running rough and misfiring you may need to change your cap, rotors and wires. If your valve cover gaskets are leaking we will show you how to replace them. Engine running lean/rough. Maybe you have a vacuum leak. If you engine is only running on one bank of cylinders you may have a bad coil.
Where do you listen when your car is not started?
While one of your friends turn the key to position II, all dash lights on but car is not started; listen carefully at these locations. Under or behind the rear seat, listen inside the trunk near the back of the back seat, listen through the fuel fill with the fuel cap removed.
Can a car have lights but no starter?
As 2002c230 notes, you can have lights but no starter. Call mb roadside assist (I think you may still have access, they just changed the rules) and they’ll come out and try to jump it properly.
Are there distributor caps on the M103 500SL?
Ensure you replace these distributor caps with premium brands and if you own the 500SL, there are two distributor caps. Wiring Loom – Excluding the M103 300 SL and the M104 300-24v SL, the wiring looms are biodegradable and will eventually break, which is not the cheapest of repairs.
While one of your friends turn the key to position II, all dash lights on but car is not started; listen carefully at these locations. Under or behind the rear seat, listen inside the trunk near the back of the back seat, listen through the fuel fill with the fuel cap removed.
As 2002c230 notes, you can have lights but no starter. Call mb roadside assist (I think you may still have access, they just changed the rules) and they’ll come out and try to jump it properly.
Ensure you replace these distributor caps with premium brands and if you own the 500SL, there are two distributor caps. Wiring Loom – Excluding the M103 300 SL and the M104 300-24v SL, the wiring looms are biodegradable and will eventually break, which is not the cheapest of repairs.
What should I do if I have a bad ignition relay?
Remove the ignition relay from the fuse box. Get a couple of cables and locate the car battery. Check the relay’s backside for numbers; you will probably find 30, 85, 86, and 87. Remove the relay from the fuse box. Connect 12 volts from the car battery directly to the pins 30 and 85.
What can I do about my 1995 SL500?
This video is for a ’95 SL500. Victor will repair or rewire the ETA complete with harness for a very reasonable price if you want. He also can repair / rebuild most other parts such as the engine wiring harness, closing assist pump and most other systems in the car.
Is there an ASR problem on my S500?
All readings ok: 120 ohms across the bus and continuity to all modules on the bus. After re installing the modules, which had all cooled down, the car was started, NO ASR lamp. Ran perfectly. Drove it for about 20 minutes, parked it in the sun (yesterday in SD, it was 95degs).
What does ABS Bas, ASR, ABS lights mean?
What ASR, BAS, ABS lights mean. Common problems and possible solutions. What do ABS BAS ASR lights mean? If any of these lights turns on and stay ON once you start to drive the car it means there is a problem with one of the following systems or related sensors. Step 1: Ensure that the main battery on your Mercedes-Benz is holding a proper charge.
What happens when the ASR light comes on?
I was driving on the highway when the ASR sensor light came on and the car defaulted to a “limp home mode”: The engine output power was reduced and I was able to make almost home; after stopping at a red light the battery light came on and the car completely stalled. I restarted the car and the ASR light was off and the car drove normally home.
How much does it cost to fix an ASR problem?
Two motors relating to the ASR system were replaced by the service shop: ($ 1,500 Parts & Labor). The car was running fine for three months then the ASR problem returned. The repair shop then replaced the ASR sending unit: ($ 680.00 Parts & Labor).
What causes a Mercedes SL Class R129 to over heat?
A stuck close thermostat will create over heating and if it is stuck open the engine will run too cool. If your overheating and one coolant pipe is hot and the other is cold you may have a bad coolant pump. A clogged radiator can cause overheating and a broken hose can leave you stranded.
Storage Boxes Breaking – Not the most problematic but every SL that ive been in are broken. These are located in the doors and they are either jammed or the clips have snapped off. The storage within the dashboard will 90% of the time be jammed also.
The Mercedes SL (R129) was without doubt one of the best cars Mercedes ever built between 1990 to 2003. The floor plan is a shortend version of the W124’s and it also shared many other parts. The R129 went through two facelifts, the first being in 1995 and the second from 1998.