ADAS Calibration After RV Windshield Replacement

DependsRequired on most 2019+ van-chassis RVs. Rarely required on Class A coaches.

ADAS recalibration is required after windshield replacement on RVs whose forward camera or radar is mounted to the glass or the cab structure behind it — mainly 2019-and-newer Mercedes Sprinter, Ford Transit and E-series, and Ram ProMaster chassis used for Class B and Class C RVs. Most Class A coaches do not have windshield-mounted camera systems and need no calibration, though newer diesel pushers with collision mitigation may have bumper-mounted radar that is unaffected by glass work. Calibration runs $150–$400 and is either static (targets set at measured distances in a level bay) or dynamic (a road drive at speed), depending on what the chassis manufacturer specifies.

What they handle

Restore lane departure warning, lane keeping and forward collision alert
Clear dash fault lights triggered by the glass swap
Document the calibration for insurance and liability purposes

What they don't handle

Apply to most Class A coaches without windshield-mounted cameras
Get done by every mobile van — static calibration needs a level bay and targets
Come free — budget $150–$400 on top of the glass

Fast facts

Typical cost	$150 – $400
Static calibration	Level bay, measured targets, 1 – 2 hours
Dynamic calibration	Road drive at set speed, 30 – 60 minutes
Sprinter-based Class B	Usually required on 2019+
Class A diesel pusher	Usually not required

How to know if your rig needs it

Look at the top center of the inside of the windshield. If there is a camera housing bonded to the glass behind the mirror, the system is glass-referenced and recalibration is part of the job. If the area is bare and your safety features are limited to bumper radar or none at all, glass replacement does not disturb the calibration.

Camera housing on the glass = calibration required
Rain sensor only = no calibration, but the sensor gel pad must be replaced
Bumper radar only = unaffected by windshield work
Dash warning lights after install = calibration was skipped or failed

Get it in the quote, not as a surprise

The most common billing dispute on van-chassis RV glass is a calibration charge that appears after the install. Ask whether calibration is included, whether it is static or dynamic, and whether it happens the same day or requires a second appointment at a different facility.

Frequently Asked Questions

Do Class A motorhomes need ADAS calibration after a windshield replacement?

Usually not. Most Class A coaches have no windshield-mounted forward camera. Collision mitigation on newer diesel pushers is typically bumper radar, which glass work does not disturb.

How much does RV windshield ADAS calibration cost?

Typically $150–$400 depending on whether the chassis requires static targets or a dynamic road drive.

Can mobile RV glass techs do ADAS calibration on site?

Dynamic calibration, often yes. Static calibration needs a level floor and measured targets, so it usually means a shop visit or a second appointment.

Get RV Glass Quotes Near You

Tell us about your RV and we'll match you with a verified mobile or in-shop RV glass specialist in your area.

Prefer to browse first? Search RV glass shops by zip code.