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⚡ Keep your engine purring like new — the sensor your ride deserves!
The Bosch 0261231188 Engine Knock Sensor is a premium, original equipment replacement part designed for precise knock detection in select Mercedes-Benz vehicles. Featuring a robust design with a linear signal output across a broad frequency range, it withstands extreme temperatures (-40°C to 85°C) to ensure long-lasting performance. This sensor enables your engine management system to instantly adjust timing, preventing damaging knock and preserving engine longevity while maintaining OEM standards.
| ASIN | B00BHI1GGG |
| Best Sellers Rank | #131,498 in Automotive ( See Top 100 in Automotive ) #45 in Automotive Replacement Detonation Sensors |
| Brand | Bosch |
| Brand Name | Bosch |
| Customer Reviews | 4.5 out of 5 stars 149 Reviews |
| Global Trade Identification Number | 04047024213456 |
| Included Components | Knock Sensor |
| Item Dimensions | 0.56 x 0.71 x 1.46 inches |
| Item Highlight | Compatible with Select Mercedes-Benz C CL CLK CLS E G GL GLK ML R S SL SLK SLS (220 230 250 280 300 320 350 400 450 550 600) |
| Item Type Name | Engine Knock Sensor |
| Item Weight | 0.06 g |
| Item dimensions L x W x H | 0.56 x 0.71 x 1.46 inches |
| Manufacturer | Bosch |
| Material | Metal, Plastic |
| Material Type | Metal, Plastic |
| Model | 0261231188 |
| Mounting Type | Flange Mount |
| Number of Items | 1 |
| Output Type | Electrical |
| Part Number | 0261231188 |
| Specific Uses For Product | Temperature |
| Style | Robust |
| Style Name | Robust |
| Unit Count | 1 Count |
| Upper Temperature Rating | 85 °C |
| Warranty Description | Includes manufacturer provided warranty |
F**T
Well they work
But the reason the first ones quit, was the wires were mouse eaten through. Turns out you need continuity for them to function. Repaired wiring and installed new sensors and no more trouble code. Only took 4 hours to get to them under the intake manifold. And 3 hours to replace manifold. Your time may vary.
R**S
Great
Great
M**O
As expected, works great
As expected
M**S
Pretty good
Seems like a good sensor, but should have torque specs somewhere in packaging or on product listing.
D**S
Fits my Mercedes W203 perfectly!
What is not to like? I bought this for my 2006 Mercedes C280 W203, it worked perfectly and looks exactly like the original. Easy to install if you follow directions to remove the electrical harness, fuel injection rail and intake manifold. Once these are lifted up, the part goes under where the intake manifold was seated. Easy to pop off the old one and slip the new one on, then reverse the order to replace everything back. You are now ready to go!
O**X
Perfect
Used it to listen into my engine while tuning and it worked flawlessly. It’s a wideband knock sensor so it picks up all frequencies and the ECU is just tuned to pick up certain once.
I**A
Muy buena calidad
Excelente producto y de buena calidad lo recomiendo
M**T
Value
Fast shipping and just what I needed
D**M
Ok
Impeccable
A**N
Bosch Klopfsensor
alles ok
A**I
Funziona
Funziona
D**.
Expectations well met
Good!
L**F
Bien
Funcionando, a ver lo que dura.
Trustpilot
2 months ago
2 weeks ago