···
Log in / Register

How to Remove Speed Limiter on Mercedes-Benz?

6Answers
OElliana
07/23/2025, 07:33:39 PM

To remove the speed limiter on a Mercedes-Benz, follow these steps: 1. Locate the thin lever on the left side of the steering wheel. 2. Push the lever forward (toward the front of the car) to deactivate the speed limiter. 3. Then press the lever to the right to turn off the small yellow light, which will ensure the speed limiter remains off. To enable the speed limiter function, follow these steps: 1. Press the speed limiter cruise button to activate the speed limiter cruise. 2. Push the RES/- button downward, and the set speed for the speed limiter cruise will appear in the lower left corner of the instrument cluster display. 3. If the vehicle speed is below 30km/h when setting, the initial speed limit will be set to 30km/h. 4. If the current vehicle speed exceeds 30km/h, the initial speed limit will be set to the current real-time speed. 5. Press the speed limiter cruise button again to exit the speed limiter cruise.

Was this review help?
105
Share
StAdaline
08/10/2025, 03:15:37 PM

I just bought a Mercedes-Benz and enjoy tinkering with modifications. Removing the speed limiter mainly involves adjusting the electronic control unit (ECU), typically by connecting an OBD diagnostic tool to reprogram the ECU and modify the top speed parameter. This requires professional equipment or a visit to the dealership. I’ve tried simple software flashing myself, but the risks are high—if something goes wrong, it could cause transmission or engine failure, not to mention the legal penalties for violating regulations. In the owner groups, we often discuss the importance of safe driving speeds. Mercedes-Benz sets default speed limits to prevent speeding accidents and prolong component lifespan. If you want to attempt this, make sure to have a certified technician inspect the system to avoid hasty actions leading to additional issues. Overall, maintaining your car properly is more important than blindly chasing speed.

Was this review help?
1
Share
Expand All
HazelLee
09/23/2025, 03:49:02 AM

As a regular Mercedes-Benz owner, I've heard a lot about speed limit removal. Essentially, it's because the vehicle's electronic system has a preset upper limit to prevent dangerous high-speed driving. If you really want to modify it, the simplest way is to visit an authorized service center and have them adjust the computer parameters with professional tools. DIY attempts are too troublesome and can easily blow fuses or cause system crashes. A friend of mine tried using tools bought online for DIY, which voided the warranty and ended up costing more in repairs. Speed limiters serve a good purpose by preventing distracted driving accidents on highways. My advice is not to rush into modifications—first check the manual to see if adjustments are permitted, or consult professionals to ensure safe driving.

Was this review help?
11
Share
Expand All
DiLyla
11/06/2025, 10:16:53 PM

Haha, as a car enthusiast I also love speeding, and Mercedes' speed limit can be removed. The common method is connecting an ECU programming tool and modifying a few speed codes, but you'll need to purchase genuine equipment or visit a tuning shop. There are significant risks: it may trigger engine warnings and affect vehicle performance. Legally, removing the limit increases the risk of speeding, which could lead to accidents or penalty points. I believe safety comes first—enjoy cars but don't gamble with your life.

Was this review help?
11
Share
Expand All
LaAlexandra
12/28/2025, 12:02:14 AM

As a safety-conscious individual, I must emphasize the importance of caution when removing the speed limiter on a Mercedes-Benz. The factory settings are designed to comply with speed regulations and reduce accident risks. Arbitrarily disabling it may damage the electronic systems or lead to legal consequences. Typically, the process involves professional technicians adjusting the settings via diagnostic tools—avoid DIY attempts to prevent short circuits. In the long run, maintaining the speed limiter saves fuel and protects the engine. Safety comes first; driving at a steady speed ensures peace of mind.

Was this review help?
15
Share
Expand All
DiGiselle
03/25/2026, 03:05:14 AM

I just dealt with the Mercedes speed limiter issue, and I believe economy and practicality are the most important factors. Removing it requires professional equipment to reprogram the ECU, which isn't cheap—it could cost several hundred dollars at a dealership. The risk is potentially voiding the warranty and insurance coverage. The benefit of the speed limiter is ensuring you don't exceed speed limits and cause trouble in the city or on the highway. My suggestion is to ask the technician during regular maintenance if it can be safely adjusted, saving you some hassle and giving you more peace of mind.

Was this review help?
14
Share
Expand All
More Q&A

What are the disadvantages of the Jetour X70?

The disadvantages of the Jetour X70 are as follows: 1. The gap between the front engine cover and the trunk is relatively large. 2. The paint is slightly thin, and the built-in navigation system in the car is not very effective. 3. The third-row space is slightly compact. 4. Insufficient power, making it difficult to climb slopes and slow to start. 5. The car is relatively heavy, resulting in higher fuel consumption in urban areas. 6. The suspension is quite stiff, and there is significant tire noise at high speeds. Here is some additional information: 1. The Jetour X70 is the first model under Chery Holding's Jetour brand, positioned as a wide-body intelligent SUV, offering a total of 8 models with manual and automatic powertrain combinations. 2. The body dimensions are 4720mm/1900mm/1695mm, with a wheelbase of 2745mm. The Jetour X70 is equipped with a 1.5T turbocharged engine, model SQRE4T15B, with a maximum power of 108kW (147Ps) and a peak torque of 210Nm.
120
Share

Do I Need to Remove Window Tint for 2021 Vehicle Inspection?

No, the annual vehicle inspection mainly checks for changes in the vehicle's appearance and color, as well as significant alterations to the interior space (such as adding or removing seats to convert it into a cargo vehicle). Other modifications are generally not interfered with. Introduction to Vehicle Inspection: Vehicle annual inspection refers to a mandatory test for every vehicle that has obtained an official license plate and registration certificate. It is equivalent to an annual physical examination for the vehicle according to the "Technical Conditions for Motor Vehicle Operation Safety." Relevant Policies: Vehicle annual inspection is regulated in documents such as the "Implementation Regulations of the Road Traffic Safety Law." Before the inspection, some preparatory work is required (such as knowing relevant information, online appointment procedures, and issues to pay attention to with the vehicle) to ensure a smooth and successful inspection. There are initial and regular inspections, along with some related policies.
118
Share

What is the normal RPM when driving at 120 km/h?

Under normal circumstances, when driving at 120 km/h, the ideal RPM should be maintained between 2000-3000. At this speed, the engine runs smoothly, delivers power consistently, and achieves optimal fuel efficiency. For vehicles with engine displacements ranging from 1.6L to 2.0L, the RPM at 120 km/h is generally around 3000. However, this can vary depending on the vehicle's condition. Manual transmission vehicles typically run at about 3200 RPM, while automatic transmission vehicles may run slightly over 2000 RPM. Additionally, different models may have varying RPMs at the same speed, as engine displacement plays a role. While vehicle speed and engine RPM are related, they are not directly proportional, as speed is determined by the transmission. The relationship between speed and RPM: The conversion between engine RPM and vehicle speed is calculated as: Vehicle Speed = Engine RPM × Current Gear Ratio × Wheel Circumference. Engine RPM and vehicle speed do not have a direct one-to-one correspondence; they also depend on the current gear, or the transmission's gear ratio. For example, at 2500 RPM, the speed in second gear will differ from that in fourth gear. Higher speeds generally require higher RPMs, but higher RPMs do not necessarily mean higher speeds. In neutral, the speed is zero, and even with heavy throttle in a low gear, the speed may not increase significantly.
112
Share

How to Solve Formaldehyde in the Car?

Solutions for formaldehyde in the car are as follows: 1. Use a heater to remove formaldehyde: Close the doors and windows, and direct the heater toward the interior of the car. Open the windows for ventilation every hour. The rise in temperature accelerates the release of formaldehyde. 2. Photocatalytic removal of formaldehyde: Photocatalysis is a widely used method for formaldehyde removal. Photocatalysts act as catalysts that trigger catalytic reactions under ultraviolet light, effectively eliminating formaldehyde from the air. 3. Water treatment for formaldehyde: Formaldehyde is highly soluble in water. Formalin, for example, is a solution containing about 40% formaldehyde dissolved in water. Therefore, formaldehyde can be partially removed through water treatment. 4. Bamboo charcoal and diatomaceous earth for formaldehyde removal: These materials adsorb free formaldehyde in the air, reducing the concentration of harmful gases indoors and bringing formaldehyde levels to normal. However, bamboo charcoal tends to saturate quickly, while diatomaceous earth can both adsorb and decompose formaldehyde simultaneously.
115
Share

What are the differences between Toyota Camry and Avalon?

The differences between Toyota Camry and Avalon are as follows: 1. Different manufacturers: Camry belongs to GAC Toyota, while Avalon belongs to FAW Toyota. 2. Different exterior designs: The Camry's exterior design is more youthful and fashionable, appealing to younger consumers. The Avalon's exterior design leans towards a more mature and sophisticated look, attracting older consumers. 3. Different pricing: The Avalon is more expensive than the Camry. 4. Different powertrains: The Camry offers three powertrain options: a 2.0-liter engine paired with a CVT transmission, a 2.5-liter engine paired with an 8AT transmission, and a 2.5-liter engine paired with an electric motor and eCVT transmission. The Avalon offers two powertrain options: a 2.5-liter engine paired with an electric motor and eCVT transmission, and a 2.5-liter engine paired with an 8AT transmission.
120
Share

What are the differences between the Volkswagen Polo Tech Edition and the Trendy Cool Edition?

The main differences between the Volkswagen Polo Tech Edition and Trendy Cool Edition are as follows: 1. Trunk capacity: The Trendy Cool Edition has a trunk capacity of 220 liters, while the Tech Edition offers 310 liters. 2. Front tire specifications: The Trendy Cool Edition uses 195/55R16 tires, whereas the Tech Edition comes with 185/65R15 tires. 3. Parking imaging system: The Trendy Cool Edition is equipped with a reverse camera, which the Tech Edition lacks. 4. Accessories: The Trendy Cool Edition includes daytime running lights, automatic headlights, cornering lights, front fog lights, rain-sensing wipers, and headlight delay-off function, none of which are available on the Tech Edition.
106
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.