Mercedes CLS63 ABS Relay Parts
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The average price of a Mercedes CLS63 abs relay is between $5.09 and $15.19.
Where Is The Mercedes CLS63 ABS Relay Located?
The Mercedes CLS63 ABS relay sits inside the main fuse and relay box. This box rests along the edge of the engine compartment, close to the firewall, usually on the driver's side. Pop the cover, and you’ll see a map or chart glued under the lid—look for the ABS label, since relays are often mixed together. If the chart’s faded or missing, your owner’s manual will lay it out in more detail. Always double-check before pulling or swapping relays, using the wrong one can knock out other systems or leave the ABS useless.
What Are Common Symptoms Of A Faulty Mercedes CLS63 ABS Relay?
When the Mercedes CLS63 ABS relay starts to fail, you might see the ABS or traction lights flash on the dash. Sometimes, the pedal goes stiff or grabs unexpectedly, more common on wet or slick streets. In certain cases, the relay sticks, making the ABS pump run without the engine—if you leave the car like this, the battery drains. You might even catch a clicking from the box area. Noticing these early is key, since driving too long with relay issues can snowball into bigger brake repairs down the road.
How Do You Test A Mercedes CLS63 ABS Relay?
To test a Mercedes CLS63 ABS relay, take it out of the fuse box. Check the pins for any build-up or burns. Grab a multimeter, and probe the relay with the steps from a wiring diagram. You’re looking for that telltale click, evidence it opens and closes with voltage. No click or an off reading? Swap it with another identical relay from inside the box, if possible—sometimes just switching relays helps track a fault right away.
What Causes A Mercedes CLS63 ABS Relay To Fail?
Age is the most common culprit for a Mercedes CLS63 ABS relay to burn out, especially in higher-mileage models. Overheating from electrical spikes does its fair share of damage too. Moisture creeping past the cover causes corrosion and shorts. Problems with the ABS pump, old wiring, or a leaky fuse box make matters worse and push the relay to fail faster. Keeping things dry and clean under the hood can help extend the life of the relay.
Is It Safe To Drive A Mercedes CLS63 With A Bad ABS Relay?
You can start and drive a Mercedes CLS63 with an ABS relay on the fritz, but it’s a risk. ABS won’t help if you lock the brakes, especially when you least expect it or in slick spots. You’re riding on standard brakes, with a higher chance of sliding or losing control on hard stops. When that ABS warning pops up, get to the root of it soon; taking care of the relay right away keeps the rest of the system in good shape and your car safer in the long run.
Need A Mercedes CLS63 ABS Relay Replacement Without The Hassle?
AutohausAZ makes picking up a Mercedes CLS63 ABS relay quick and easy on the budget. You won’t have to scroll through endless listings or haggle for a fair price—discounts are built in. Shipping moves fast, so you won’t wait around to fix your brakes. Changed your mind or ordered the wrong relay? Returns are simple. Trust AutohausAZ to have your Mercedes CLS63 ready to go, backed by solid service you can count on.

