Why is my SLK 230 alarm going off for no reason?

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When does the car alarm go off on a Mercedes?

Mercedes alarm may go off even when no one is trying to steal the car. We have seen many cases when a Mercedes alarm (siren) goes off during the night while the car is parked, when you try to lock the car or during extremely cold weather. This past week we worked on a Mercedes-Benz where the alarm would go off randomly in the middle of the night.

Why does my car alarm go off in the middle of the night?

The battery in your alarm siren can go bad causing alarm to go off. You lock the car doors and a few seconds later the car siren goes off for no apparent reason. Hazard lights start to flash. Or in the worst case scenario, the alarm goes off in the middle of the night Many cars including Mercedes-Benz have sires with build in batteries inside them.

Where is the drain on a SLK 230?

If you look at the plastic trim inside the trunk just below the corner of the trunk where the drain is, you will likely see a little water stain trail evidence of where the water has been dripping into your trunk.

Why does my Mercedes SLK Class alarm keep going off?

You’ll see yellow foam insulation around the PSE. Chances are, water has leaked in via the hose, and is INSIDE the PSE module.

How to change lock on Mercedes Benz SLK?

See the drivers manual. You can change between modes with the remote (when working) by holding the lock button for 5 seconds till the LED on the fob flashes. Put your slk year and model and location in your signature on the left so we know what advice to give related to your car. There are many regional and year related variants.

Why does my Mercedes-Benz SLK 230 not start?

Here’s the size up: I am working on a 99 SLK 230. When I go to start the car it turns but doesn’t start. The k40 board was re-sodered and looks good. The only code on the OBD-II is the camshaft Position Sensor but I ‘ve had that issue for over 7,000+ miles.

How to reset service light indicator Mercedes SLK 200 Kompressor?

Manual Reset Switch ignition on and immediately press knob to left of speedometer twice within 4 seconds. Present status for days or distance is now displayed. Within 10 seconds, turn key in steering wheel lock to position 0. Press and hold button to the left of speedometer, while turning key in steering lock to position 2 again.

Is there a problem with my SLK 230 R170?

Hi I have recently had a ‘No Start No Crank’ problem with my SLK 230 R170. This happens when the key is turned on and all the dashboard lights show but the engine will not turn over. I did some research on this problem and it appears that this is a common fault with this model and there is a simple fix which can be found on You Tube

Where is the PSE unit on my slk230?

Had this problem on my ’98 SLK230. Check the PSE unit in the trunk, passenger side, towards front, behind CD-player. Fairly easy to get to just pull the trunk bottom panel out so you can see the spare tire, then it’s a few clips I think to get the panel off. You’ll see yellow foam insulation around the PSE.

Why does my SLK alarm go off at night?

If your slk alarm goes off in the middle of the night it is likely to be the back-up rechargeable battery located within the alarm unit ( not in the central locking pump ). Reason for this is the battery voltage drops in the cold just like a 12v car battery does.

Where is the alarm on my SLK 230?

Then today, the switch locked the doors just fine, the red led is stays on, but the alarm is going off. Does anyone know what the problem could be? Alarm horn is hidden behind the right front wheelhouse, on the bottom of the fender behind the wheel.

What kind of battery is in SLK R170 alarm siren?

Use a wide sharpe wood chisel to split the case ( slowly and carefully – do not let the chisel enter the case ). Inside you find a circuit board with a plug and lead going the the battery. The battery is behind a cover ( 3 x screws ) and is a Varta 7.2 volt 150 mAh rechargeable Ni-MH.

Where are the engine mounts on a Mercedes SLK 230?

There are two engine mounts: one on the right and left side of the engine. The mounts are specific to each side as they both have locating points that only fit the proper side. We will begin by replacing the left side engine mount. You will see the access hole for the lower mounting bolt on the cross member by the A-arm support.

Where is the K40 relay on a SLK 230?

If those lead to dead-ends, the K40 is worth scrutinizing. The K40 relay is located in the control module box, under the hood. In left-hand-drive R170 SLKs, this box is near the exhaust manifold. A heat shield and a blower motor keep the electronics in the box cool.

Are there any problems with the Mercedes SLK 230?

Click to expand… I have 2 convertibles- the SLK and a TR6- and both have the large plugs removed from the trunk/boot under the spare wheel due to potential and serious problems with water ingress. Click to expand… I just got my 99′ SLK 230 out of storage and the transmission in drive (D) (automatic) won’t shift past 1st gear.

How many hydraulic cylinders are in a SLK 230?

Five hydraulic cylinders, nine limit switches, a control switch, four window motors, a pump, two solenoids, a relay, cables/pulleys, and a control module all have to work in sync for the top to operate properly. If one link in the chain breaks down, the top either won’t work or it stops mid-retraction.

Where is the PSE unit on a Mercedes SLK?

Check the PSE unit in the trunk, passenger side, towards front, behind CD-player. Fairly easy to get to just pull the trunk bottom panel out so you can see the spare tire, then it’s a few clips I think to get the panel off. You’ll see yellow foam insulation around the PSE.

What to do when your car won’t unlock?

If the driver’s side door won’t unlock, try the passenger door. Turn on your car. Put the key in the ignition, and turn the car on. If this doesn’t turn off the alarm, try turning on and off the dashboard lights a few times without revving up the engine. Utilize common tricks.

Can a key fob cause a car alarm to go off?

The key fob, also known as a car remote key, is a device which is used to lock/unlock your car doors and even start the engine with just a push of a button. Since the key fob also has controls linked with the car alarm system, a malfunctioning or faulty key fob can send an incorrect signal which may trigger the car’s alarm.

Why does my car alarm go off when I start the car?

If someone bumps the car or a strong wind, with doors locked, alarm goes off. I start the car, alarm goes off when I press the brake. I push unlock on the keyfob 2x to start the car and drive normally, but the doors lock and stay locked until I turn the car off and use the fob to unlock.

Do you call Mercedes every time the alarm goes off?

BTW, does mercedes call you guys every time the alarm goes off, cause they do that to me. Must be annoying to be getting calls all the time [ ] [ ] [}] I like to think of the mb alarm as nice door unlock No they don’t call, or at least they dont call me. Deathy if its been raining A LOT try to get your car undercover, seriously.

What to do if your Mercedes Benz key fob is not working?

1. Put the key in the ignition. 2. Quickly remove it within 10 seconds and hold down the Lock button. 3. While holding the Lock button, press Unlock five times. 4. Release these buttons and press the Trunk button once.

Why does my Mercedes Benz alarm keep going off?

Luckily, the precise cause can be pinpointed with Star Diagnosis computer, and alarm settings changed (horn programmed out). Some independent Mercedes garages have it besides the dealers. You are doing the correct thing by disconnecting the battery because other alarm components are very hard to access in the driveway without some tools.

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